新增教练管理，优化预约人数计数方式

gym-manage-api/gym-groupCourse/src/main/java/cn/novalon/gym/manage/groupcourse/dao/GroupCourseDao.java

@@ -33,10 +33,6 @@ public interface GroupCourseDao extends R2dbcRepository<GroupCourseEntity, Long>
     @Query("UPDATE group_course SET status = '1', updated_at = :updatedAt WHERE id = :id AND deleted_at IS NULL")
     Mono<Integer> cancelCourse(Long id, LocalDateTime updatedAt);
 
-    @Modifying
-    @Query("UPDATE group_course SET current_members = current_members + :delta, updated_at = :updatedAt WHERE id = :id AND deleted_at IS NULL")
-    Mono<Integer> updateCurrentMembers(Long id, Integer delta, LocalDateTime updatedAt);
-
     @Modifying
     @Query("UPDATE group_course SET deleted_at = :deletedAt WHERE id = :id")
     Mono<Integer> softDelete(Long id, LocalDateTime deletedAt);
@@ -47,46 +43,64 @@ public interface GroupCourseDao extends R2dbcRepository<GroupCourseEntity, Long>
 
     Flux<GroupCourseEntity> findByCourseTypeAndDeletedAtIsNull(Long courseType);
 
+    // ==================== 教练相关查询 ====================
+
+    Flux<GroupCourseEntity> findByCoachIdAndDeletedAtIsNull(Long coachId);
+
+    Flux<GroupCourseEntity> findByCoachIdAndDeletedAtIsNull(Long coachId, Sort sort);
+
+    @Query("SELECT COUNT(*) FROM group_course WHERE coach_id = :coachId AND status = :status AND deleted_at IS NULL")
+    Mono<Long> countByCoachIdAndStatus(Long coachId, String status);
+
+    @Modifying
+    @Query("UPDATE group_course SET status = '1', updated_at = :updatedAt WHERE coach_id = :coachId AND status != :excludeStatus AND deleted_at IS NULL")
+    Mono<Integer> cancelCoursesByCoachIdExceptStatus(Long coachId, String excludeStatus, LocalDateTime updatedAt);
+
     /**
      * 多条件查询团课（使用 DatabaseClient 构建动态 SQL）
      */
     default Flux<GroupCourseEntity> searchGroupCourses(DatabaseClient databaseClient, GroupCourseQueryDto query) {
-        StringBuilder sql = new StringBuilder("SELECT * FROM group_course WHERE deleted_at IS NULL");
+        StringBuilder sql = new StringBuilder(
+            "SELECT gc.*, COALESCE(b.cnt, 0) AS current_members " +
+            "FROM group_course gc " +
+            "LEFT JOIN (SELECT course_id, COUNT(*) AS cnt FROM group_course_booking WHERE status = '0' GROUP BY course_id) b " +
+            "ON gc.id = b.course_id " +
+            "WHERE gc.deleted_at IS NULL");
         List<String> conditions = new ArrayList<>();
 
         // 默认不查询可预约团课（status = '0' 且未过期）
-        conditions.add("status = '0'");
-        conditions.add("end_time > NOW()");
+        conditions.add("gc.status = '0'");
+        conditions.add("gc.end_time > NOW()");
 
         // 1. 团课名称模糊查询
         if (query.getCourseName() != null && !query.getCourseName().isEmpty()) {
-            conditions.add("course_name ILIKE :courseName");
+            conditions.add("gc.course_name ILIKE :courseName");
         }
 
         // 2. 基于团课类型查询
         if (query.getCourseType() != null) {
-            conditions.add("course_type = :courseType");
+            conditions.add("gc.course_type = :courseType");
         }
 
         // 3. 基于日期时间段查询
         if (query.getStartDate() != null) {
-            conditions.add("start_time >= :startDate");
+            conditions.add("gc.start_time >= :startDate");
         }
         if (query.getEndDate() != null) {
-            conditions.add("start_time <= :endDate");
+            conditions.add("gc.start_time <= :endDate");
         }
 
         // 4. 基于早晨/下午/夜晚时间段查询
         if (query.getTimePeriod() != null && !query.getTimePeriod().isEmpty()) {
             switch (query.getTimePeriod().toLowerCase()) {
                 case "morning":
-                    conditions.add("EXTRACT(HOUR FROM start_time) >= 6 AND EXTRACT(HOUR FROM start_time) < 12");
+                    conditions.add("EXTRACT(HOUR FROM gc.start_time) >= 6 AND EXTRACT(HOUR FROM gc.start_time) < 12");
                     break;
                 case "afternoon":
-                    conditions.add("EXTRACT(HOUR FROM start_time) >= 12 AND EXTRACT(HOUR FROM start_time) < 18");
+                    conditions.add("EXTRACT(HOUR FROM gc.start_time) >= 12 AND EXTRACT(HOUR FROM gc.start_time) < 18");
                     break;
                 case "evening":
-                    conditions.add("EXTRACT(HOUR FROM start_time) >= 18 AND EXTRACT(HOUR FROM start_time) < 24");
+                    conditions.add("EXTRACT(HOUR FROM gc.start_time) >= 18 AND EXTRACT(HOUR FROM gc.start_time) < 24");
                     break;
                 default:
                     break;
@@ -104,20 +118,20 @@ public interface GroupCourseDao extends R2dbcRepository<GroupCourseEntity, Long>
             List<String> orderClauses = new ArrayList<>();
 
             if (hasRemainingMost) {
-                orderClauses.add(" (max_members - current_members) DESC");
+                orderClauses.add(" (gc.max_members - COALESCE(b.cnt, 0)) DESC");
             }
 
             if (hasPriceSort) {
                 if ("asc".equalsIgnoreCase(query.getPriceSort())) {
-                    orderClauses.add(" stored_value_amount ASC");
+                    orderClauses.add(" gc.stored_value_amount ASC");
                 } else if ("desc".equalsIgnoreCase(query.getPriceSort())) {
-                    orderClauses.add(" stored_value_amount DESC");
+                    orderClauses.add(" gc.stored_value_amount DESC");
                 }
             }
 
             sql.append(String.join(",", orderClauses));
         } else {
-            sql.append(" ORDER BY start_time ASC");
+            sql.append(" ORDER BY gc.start_time ASC");
         }
 
         // 分页
@@ -145,30 +159,7 @@ public interface GroupCourseDao extends R2dbcRepository<GroupCourseEntity, Long>
         spec = spec.bind("limit", size);
         spec = spec.bind("offset", offset);
 
-        return spec.map((row, meta) -> {
-            GroupCourseEntity entity = new GroupCourseEntity();
-            entity.setId(row.get("id", Long.class));
-            entity.setCourseName(row.get("course_name", String.class));
-            entity.setCoachId(row.get("coach_id", Long.class));
-            entity.setCourseType(row.get("course_type", Long.class));
-            entity.setStartTime(row.get("start_time", LocalDateTime.class));
-            entity.setEndTime(row.get("end_time", LocalDateTime.class));
-            entity.setMaxMembers(row.get("max_members", Integer.class));
-            entity.setCurrentMembers(row.get("current_members", Integer.class));
-            String statusStr = row.get("status", String.class);
-            entity.setStatus(statusStr != null ? Long.parseLong(statusStr) : null);
-            entity.setLocation(row.get("location", String.class));
-            entity.setCoverImage(row.get("cover_image", String.class));
-            entity.setDescription(row.get("description", String.class));
-            entity.setStoredValueAmount(row.get("stored_value_amount", java.math.BigDecimal.class));
-            entity.setQrCodePath(row.get("qr_code_path", String.class));
-            entity.setCreateBy(row.get("create_by", String.class));
-            entity.setUpdateBy(row.get("update_by", String.class));
-            entity.setCreatedAt(row.get("created_at", LocalDateTime.class));
-            entity.setUpdatedAt(row.get("updated_at", LocalDateTime.class));
-            entity.setDeletedAt(row.get("deleted_at", LocalDateTime.class));
-            return entity;
-        }).all();
+        return spec.map((row, meta) -> mapRowToEntity(row)).all();
     }
 
     /**
@@ -233,14 +224,19 @@ public interface GroupCourseDao extends R2dbcRepository<GroupCourseEntity, Long>
      * 分页查询团课（支持 keyword 和 status 过滤）
      */
     default Flux<GroupCourseEntity> findByPageFiltered(DatabaseClient databaseClient, PageRequest pageRequest) {
-        StringBuilder sql = new StringBuilder("SELECT * FROM group_course WHERE deleted_at IS NULL");
+        StringBuilder sql = new StringBuilder(
+            "SELECT gc.*, COALESCE(b.cnt, 0) AS current_members " +
+            "FROM group_course gc " +
+            "LEFT JOIN (SELECT course_id, COUNT(*) AS cnt FROM group_course_booking WHERE status = '0' GROUP BY course_id) b " +
+            "ON gc.id = b.course_id " +
+            "WHERE gc.deleted_at IS NULL");
         List<String> conditions = new ArrayList<>();
 
         if (pageRequest.getKeyword() != null && !pageRequest.getKeyword().isEmpty()) {
-            conditions.add("course_name ILIKE :keyword");
+            conditions.add("gc.course_name ILIKE :keyword");
         }
         if (pageRequest.getStatus() != null && !pageRequest.getStatus().isEmpty()) {
-            conditions.add("status = :status");
+            conditions.add("gc.status = :status");
         }
 
         if (!conditions.isEmpty()) {
@@ -249,7 +245,7 @@ public interface GroupCourseDao extends R2dbcRepository<GroupCourseEntity, Long>
 
         String sort = pageRequest.getSort() != null ? pageRequest.getSort() : "id";
         String order = "desc".equalsIgnoreCase(pageRequest.getOrder()) ? "DESC" : "ASC";
-        sql.append(" ORDER BY ").append(sort).append(" ").append(order);
+        sql.append(" ORDER BY gc.").append(sort).append(" ").append(order);
 
         int size = pageRequest.getSize();
         if (size < 1) size = 10;
@@ -268,30 +264,7 @@ public interface GroupCourseDao extends R2dbcRepository<GroupCourseEntity, Long>
         spec = spec.bind("limit", size);
         spec = spec.bind("offset", offset);
 
-        return spec.map((row, meta) -> {
-            GroupCourseEntity entity = new GroupCourseEntity();
-            entity.setId(row.get("id", Long.class));
-            entity.setCourseName(row.get("course_name", String.class));
-            entity.setCoachId(row.get("coach_id", Long.class));
-            entity.setCourseType(row.get("course_type", Long.class));
-            entity.setStartTime(row.get("start_time", LocalDateTime.class));
-            entity.setEndTime(row.get("end_time", LocalDateTime.class));
-            entity.setMaxMembers(row.get("max_members", Integer.class));
-            entity.setCurrentMembers(row.get("current_members", Integer.class));
-            String statusStr = row.get("status", String.class);
-            entity.setStatus(statusStr != null ? Long.parseLong(statusStr) : null);
-            entity.setLocation(row.get("location", String.class));
-            entity.setCoverImage(row.get("cover_image", String.class));
-            entity.setDescription(row.get("description", String.class));
-            entity.setStoredValueAmount(row.get("stored_value_amount", java.math.BigDecimal.class));
-            entity.setQrCodePath(row.get("qr_code_path", String.class));
-            entity.setCreateBy(row.get("create_by", String.class));
-            entity.setUpdateBy(row.get("update_by", String.class));
-            entity.setCreatedAt(row.get("created_at", LocalDateTime.class));
-            entity.setUpdatedAt(row.get("updated_at", LocalDateTime.class));
-            entity.setDeletedAt(row.get("deleted_at", LocalDateTime.class));
-            return entity;
-        }).all();
+        return spec.map((row, meta) -> mapRowToEntity(row)).all();
     }
 
     /**
@@ -323,4 +296,44 @@ public interface GroupCourseDao extends R2dbcRepository<GroupCourseEntity, Long>
 
         return spec.map((row, meta) -> row.get(0, Long.class)).one();
     }
+
+    /**
+     * 统计单门课程的有效预约人数（status='0'）
+     */
+    default Mono<Long> countValidBookings(DatabaseClient databaseClient, Long courseId) {
+        return databaseClient.sql("SELECT COUNT(*) FROM group_course_booking WHERE course_id = :id AND status = '0'")
+                .bind("id", courseId)
+                .map((row, meta) -> row.get(0, Long.class))
+                .one()
+                .defaultIfEmpty(0L);
+    }
+
+    /**
+     * 将数据库行映射为 GroupCourseEntity
+     */
+    private GroupCourseEntity mapRowToEntity(io.r2dbc.spi.Row row) {
+        GroupCourseEntity entity = new GroupCourseEntity();
+        entity.setId(row.get("id", Long.class));
+        entity.setCourseName(row.get("course_name", String.class));
+        entity.setCoachId(row.get("coach_id", Long.class));
+        entity.setCourseType(row.get("course_type", Long.class));
+        entity.setStartTime(row.get("start_time", LocalDateTime.class));
+        entity.setEndTime(row.get("end_time", LocalDateTime.class));
+        entity.setMaxMembers(row.get("max_members", Integer.class));
+        Integer cm = row.get("current_members", Integer.class);
+        entity.setCurrentMembers(cm != null ? cm : 0);
+        String statusStr = row.get("status", String.class);
+        entity.setStatus(statusStr != null ? Long.parseLong(statusStr) : null);
+        entity.setLocation(row.get("location", String.class));
+        entity.setCoverImage(row.get("cover_image", String.class));
+        entity.setDescription(row.get("description", String.class));
+        entity.setStoredValueAmount(row.get("stored_value_amount", java.math.BigDecimal.class));
+        entity.setQrCodePath(row.get("qr_code_path", String.class));
+        entity.setCreateBy(row.get("create_by", String.class));
+        entity.setUpdateBy(row.get("update_by", String.class));
+        entity.setCreatedAt(row.get("created_at", LocalDateTime.class));
+        entity.setUpdatedAt(row.get("updated_at", LocalDateTime.class));
+        entity.setDeletedAt(row.get("deleted_at", LocalDateTime.class));
+        return entity;
+    }
 }

gym-manage-api/gym-groupCourse/src/main/java/cn/novalon/gym/manage/groupcourse/domain/GroupCourseDetail.java

@@ -21,6 +21,9 @@ public class GroupCourseDetail extends BaseDomain {
     @Schema(description = "教练ID", example = "1")
     private Long coachId;
 
+    @Schema(description = "教练名称", example = "张教练")
+    private String coachName;
+
     @Schema(description = "课程类型ID", example = "1")
     private Long courseType;
 
@@ -99,6 +102,14 @@ public class GroupCourseDetail extends BaseDomain {
         this.coachId = coachId;
     }
 
+    public String getCoachName() {
+        return coachName;
+    }
+
+    public void setCoachName(String coachName) {
+        this.coachName = coachName;
+    }
+
     public Long getCourseType() {
         return courseType;
     }

gym-manage-api/gym-groupCourse/src/main/java/cn/novalon/gym/manage/groupcourse/handler/BookingSagaHandler.java

@@ -2,8 +2,6 @@ package cn.novalon.gym.manage.groupcourse.handler;
 
 import cn.novalon.gym.manage.groupcourse.domain.GroupCourseBooking;
 import cn.novalon.gym.manage.groupcourse.repository.IGroupCourseBookingRepository;
-import cn.novalon.gym.manage.groupcourse.repository.IGroupCourseRepository;
-import cn.novalon.gym.manage.groupcourse.service.impl.GroupCourseRedisService;
 import cn.novalon.gym.manage.member.entity.MemberCard;
 import cn.novalon.gym.manage.member.entity.MemberCardRecord;
 import cn.novalon.gym.manage.member.enums.MemberCardType;
@@ -34,11 +32,9 @@ import java.util.List;
 public class BookingSagaHandler {
 
     private final IGroupCourseBookingRepository bookingRepository;
-    private final IGroupCourseRepository courseRepository;
     private final IMemberCardRecordService memberCardRecordService;
     private final IMemberStoredCardService memberStoredCardService;
     private final MemberCardRepository memberCardRepository;
-    private final GroupCourseRedisService redisService;
 
     private static final double DEFAULT_GROUP_COURSE_PRICE = 50.0;
 
@@ -72,24 +68,6 @@ public class BookingSagaHandler {
         steps.add(step2);
         rollbackSteps.add(0, step2);
 
-        // 步骤3：更新课程当前人数
-        SagaStep step3 = new SagaStep(
-                "更新课程当前人数",
-                incrementCourseCurrentMembers(booking.getCourseId()),
-                Mono.defer(() -> decrementCourseCurrentMembers(booking.getCourseId()))
-        );
-        steps.add(step3);
-        rollbackSteps.add(0, step3);
-
-        // 步骤4：更新Redis预约计数
-        SagaStep step4 = new SagaStep(
-                "更新Redis预约计数",
-                incrementRedisBookingCount(booking.getCourseId()),
-                Mono.defer(() -> decrementRedisBookingCount(booking.getCourseId()))
-        );
-        steps.add(step4);
-        rollbackSteps.add(0, step4);
-
         return executeSaga(steps, rollbackSteps)
                 .then(Mono.just(booking));
     }
@@ -225,24 +203,6 @@ public class BookingSagaHandler {
         steps.add(step2);
         rollbackSteps.add(0, step2);
 
-        // 步骤3：减少课程当前人数
-        SagaStep step3 = new SagaStep(
-                "减少课程当前人数",
-                decrementCourseCurrentMembers(courseId),
-                Mono.defer(() -> incrementCourseCurrentMembers(courseId))
-        );
-        steps.add(step3);
-        rollbackSteps.add(0, step3);
-
-        // 步骤4：更新Redis预约计数
-        SagaStep step4 = new SagaStep(
-                "更新Redis预约计数",
-                decrementRedisBookingCount(courseId),
-                Mono.defer(() -> incrementRedisBookingCount(courseId))
-        );
-        steps.add(step4);
-        rollbackSteps.add(0, step4);
-
         return executeSaga(steps, rollbackSteps)
                 .then(bookingRepository.findById(bookingId));
     }
@@ -301,22 +261,6 @@ public class BookingSagaHandler {
                 });
     }
 
-    private Mono<Void> incrementCourseCurrentMembers(Long courseId) {
-        return courseRepository.updateCurrentMembers(courseId, 1).then();
-    }
-
-    private Mono<Void> decrementCourseCurrentMembers(Long courseId) {
-        return courseRepository.updateCurrentMembers(courseId, -1).then();
-    }
-
-    private Mono<Void> incrementRedisBookingCount(Long courseId) {
-        return redisService.incrementBookingCount(courseId).then();
-    }
-
-    private Mono<Void> decrementRedisBookingCount(Long courseId) {
-        return redisService.decrementBookingCount(courseId).then();
-    }
-
     private Mono<Void> executeSaga(List<SagaStep> steps, List<SagaStep> rollbackSteps) {
         List<SagaStep> completedSteps = new ArrayList<>();
         return executeStep(steps, 0, completedSteps);

gym-manage-api/gym-groupCourse/src/main/java/cn/novalon/gym/manage/groupcourse/handler/GroupCourseHandler.java

@@ -7,21 +7,27 @@ import cn.novalon.gym.manage.groupcourse.domain.GroupCourse;
 import cn.novalon.gym.manage.groupcourse.domain.GroupCourseDetail;
 import cn.novalon.gym.manage.groupcourse.dto.GroupCourseQueryDto;
 import cn.novalon.gym.manage.groupcourse.service.IGroupCourseService;
+import cn.novalon.gym.manage.groupcourse.vo.GroupCourseVO;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.validation.Validator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 import org.springframework.web.reactive.function.server.ServerRequest;
 import org.springframework.web.reactive.function.server.ServerResponse;
 import reactor.core.publisher.Mono;
 
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
+import java.time.LocalDateTime;
 
 @Component
 @Tag(name="团课管理",description = "团课相关操作")
 public class GroupCourseHandler {
+    private static final Logger logger = LoggerFactory.getLogger(GroupCourseHandler.class);
     private final IGroupCourseService groupCourseService;
     private final Validator validator;
     private final RedisUtil redisUtil;
@@ -37,11 +43,12 @@ public class GroupCourseHandler {
         this.objectMapper = objectMapper;
     }
 
-    @Operation(summary = "获取所有团课", description = "获取系统中所有团课列表")
+    @Operation(summary = "获取所有团课", description = "获取系统中所有团课列表（含教练昵称）")
     public Mono<ServerResponse> getAllGroupCourse(ServerRequest request){
         boolean includeDeleted = Boolean.valueOf(request.queryParam("includeDeleted").orElse("false"));
-        return ServerResponse.ok()
-                .body(groupCourseService.findAll(includeDeleted), GroupCourse.class);
+        return groupCourseService.findAllAsVO(includeDeleted)
+                .collectList()
+                .flatMap(list -> ServerResponse.ok().bodyValue(list));
     }
 
     @Operation(summary = "分页获取团课", description = "根据分页参数获取团课列表")
@@ -65,7 +72,7 @@ public class GroupCourseHandler {
                         pageRequest.setOrder("asc");
                     }
 
-                    return groupCourseService.findByPage(pageRequest, includeDeleted)
+                    return groupCourseService.findByPageAsVO(pageRequest, includeDeleted)
                             .flatMap(response -> ServerResponse.ok().bodyValue(response));
                 });
     }
@@ -289,4 +296,50 @@ public class GroupCourseHandler {
                             });
                 });
     }
+
+    @Operation(summary = "检查教练时间冲突", description = "检查教练在指定时间段内是否有时间冲突的团课")
+    public Mono<ServerResponse> checkCoachConflict(ServerRequest request) {
+        return request.bodyToMono(Map.class)
+                .flatMap(body -> {
+                    if (body == null) {
+                        Map<String, Object> error = new HashMap<>();
+                        error.put("success", false);
+                        error.put("message", "请求体不能为空");
+                        return ServerResponse.badRequest().bodyValue(error);
+                    }
+
+                    Object coachIdObj = body.get("coachId");
+                    Object startTimeStr = body.get("startTime");
+                    Object endTimeStr = body.get("endTime");
+                    Object excludeCourseIdObj = body.get("excludeCourseId");
+
+                    if (coachIdObj == null || startTimeStr == null || endTimeStr == null) {
+                        Map<String, Object> error = new HashMap<>();
+                        error.put("success", false);
+                        error.put("message", "coachId、startTime、endTime 不能为空");
+                        return ServerResponse.badRequest().bodyValue(error);
+                    }
+
+                    Long coachId = Long.valueOf(String.valueOf(coachIdObj));
+                    LocalDateTime startTime = LocalDateTime.parse(String.valueOf(startTimeStr));
+                    LocalDateTime endTime = LocalDateTime.parse(String.valueOf(endTimeStr));
+                    Long excludeCourseId = excludeCourseIdObj != null ? Long.valueOf(String.valueOf(excludeCourseIdObj)) : null;
+
+                    return groupCourseService.checkCoachConflict(coachId, startTime, endTime, excludeCourseId)
+                            .flatMap(conflicts -> {
+                                Map<String, Object> response = new HashMap<>();
+                                response.put("success", true);
+                                response.put("hasConflict", !conflicts.isEmpty());
+                                response.put("conflicts", conflicts);
+                                return ServerResponse.ok().bodyValue(response);
+                            });
+                })
+                .onErrorResume(error -> {
+                    logger.warn("检查教练时间冲突失败: {}", error.getMessage());
+                    Map<String, Object> response = new HashMap<>();
+                    response.put("success", false);
+                    response.put("message", "检查失败: " + error.getMessage());
+                    return ServerResponse.badRequest().bodyValue(response);
+                });
+    }
 }

gym-manage-api/gym-groupCourse/src/main/java/cn/novalon/gym/manage/groupcourse/repository/IGroupCourseRepository.java

@@ -27,9 +27,14 @@ public interface IGroupCourseRepository {
     
     Mono<Void> deleteById(Long id);
     
-    Mono<GroupCourse> updateCurrentMembers(Long id, Integer delta);
-    
     Flux<GroupCourse> findByCourseType(Long courseType);
 
     Mono<PageResponse<GroupCourse>> searchGroupCourses(GroupCourseQueryDto query);
+
+    // ==================== 教练相关 ====================
+
+    Flux<GroupCourse> findByCoachId(Long coachId);
+    Flux<GroupCourse> findByCoachId(Long coachId, Sort sort);
+    Mono<Long> countByCoachIdAndStatus(Long coachId, Long status);
+    Mono<Integer> cancelCoursesByCoachIdExceptStatus(Long coachId, Long excludeStatus);
 }

gym-manage-api/gym-groupCourse/src/main/java/cn/novalon/gym/manage/groupcourse/repository/impl/GroupCourseRepository.java

@@ -119,7 +119,6 @@ public class GroupCourseRepository implements IGroupCourseRepository {
         entity.setCreatedAt(LocalDateTime.now());
         entity.setUpdatedAt(LocalDateTime.now());
         entity.setStatus(0L);
-        entity.setCurrentMembers(0);
         
         return groupCourseDao.save(entity)
                 .map(groupCourseConverter::toDomain);
@@ -151,17 +150,6 @@ public class GroupCourseRepository implements IGroupCourseRepository {
                 .then();
     }
 
-    @Override
-    public Mono<GroupCourse> updateCurrentMembers(Long id, Integer delta) {
-        return groupCourseDao.updateCurrentMembers(id, delta, LocalDateTime.now())
-                .flatMap(updated -> {
-                    if (updated > 0) {
-                        return findByIdAndDeletedAtIsNull(id);
-                    }
-                    return Mono.empty();
-                });
-    }
-
     @Override
     public Flux<GroupCourse> findByCourseType(Long courseType) {
         return groupCourseDao.findByCourseTypeAndDeletedAtIsNull(courseType)
@@ -190,4 +178,28 @@ public class GroupCourseRepository implements IGroupCourseRepository {
                             });
                 });
     }
+
+    // ==================== 教练相关 ====================
+
+    @Override
+    public Flux<GroupCourse> findByCoachId(Long coachId) {
+        return groupCourseDao.findByCoachIdAndDeletedAtIsNull(coachId)
+                .map(groupCourseConverter::toDomain);
+    }
+
+    @Override
+    public Flux<GroupCourse> findByCoachId(Long coachId, Sort sort) {
+        return groupCourseDao.findByCoachIdAndDeletedAtIsNull(coachId, sort)
+                .map(groupCourseConverter::toDomain);
+    }
+
+    @Override
+    public Mono<Long> countByCoachIdAndStatus(Long coachId, Long status) {
+        return groupCourseDao.countByCoachIdAndStatus(coachId, String.valueOf(status));
+    }
+
+    @Override
+    public Mono<Integer> cancelCoursesByCoachIdExceptStatus(Long coachId, Long excludeStatus) {
+        return groupCourseDao.cancelCoursesByCoachIdExceptStatus(coachId, String.valueOf(excludeStatus), LocalDateTime.now());
+    }
 }

gym-manage-api/gym-groupCourse/src/main/java/cn/novalon/gym/manage/groupcourse/service/IGroupCourseService.java

@@ -6,14 +6,20 @@ import cn.novalon.gym.manage.common.dto.PageResponse;
 import cn.novalon.gym.manage.groupcourse.domain.GroupCourse;
 import cn.novalon.gym.manage.groupcourse.domain.GroupCourseDetail;
 import cn.novalon.gym.manage.groupcourse.dto.GroupCourseQueryDto;
+import cn.novalon.gym.manage.groupcourse.vo.GroupCourseVO;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
+import java.time.LocalDateTime;
+import java.util.List;
+
 public interface IGroupCourseService {
     Mono<GroupCourse> findById(Long id);
     Mono<GroupCourseDetail> findDetailById(Long id);
     Flux<GroupCourse> findAll();
     Flux<GroupCourse> findAll(boolean includeDeleted);
+    Flux<GroupCourseVO> findAllAsVO(boolean includeDeleted);
+    Mono<PageResponse<GroupCourseVO>> findByPageAsVO(PageRequest pageRequest, boolean includeDeleted);
     
     Mono<PageResponse<GroupCourse>> findByPage(PageRequest pageRequest, boolean includeDeleted);
     
@@ -28,4 +34,14 @@ public interface IGroupCourseService {
     Mono<Void> delete(Long id);
 
     Mono<PageResponse<GroupCourse>> searchGroupCourses(GroupCourseQueryDto query);
+
+    /**
+     * 检查教练在指定时间段内是否有时间冲突的团课
+     * @param coachId 教练ID
+     * @param startTime 开始时间
+     * @param endTime 结束时间
+     * @param excludeCourseId 排除的课程ID（编辑时排除自身）
+     * @return 冲突的课程列表
+     */
+    Mono<List<GroupCourse>> checkCoachConflict(Long coachId, LocalDateTime startTime, LocalDateTime endTime, Long excludeCourseId);
 }

gym-manage-api/gym-groupCourse/src/main/java/cn/novalon/gym/manage/groupcourse/service/impl/GroupCourseBookingService.java

@@ -72,8 +72,16 @@ public class GroupCourseBookingService implements IGroupCourseBookingService {
                         return Mono.error(new RuntimeException("系统繁忙，请稍后重试"));
                     }
 
-                    // 2. 尝试从缓存获取课程信息，如果缓存不存在则从数据库获取
+                    // 2. 从缓存或数据库获取课程信息，并用实时预约数覆盖currentMembers
                     return getCourseWithCache(courseId)
+                            .flatMap(course ->
+                                bookingRepository.countValidBookings(courseId)
+                                        .map(count -> {
+                                            course.setCurrentMembers(count.intValue());
+                                            return course;
+                                        })
+                                        .defaultIfEmpty(course)
+                            )
                             .flatMap(course -> {
                                 // 3. 验证课程状态
                                 Long courseStatus = course.getStatus();
@@ -150,35 +158,20 @@ public class GroupCourseBookingService implements IGroupCourseBookingService {
                                                                     if (saved.getId() == null) {
                                                                         return Mono.error(new RuntimeException("保存预约记录失败"));
                                                                     }
-                                                                    // 10. 更新课程当前人数
-                                                                    return courseRepository.updateCurrentMembers(courseId, 1)
-                                                                        .flatMap(updatedCourse -> {
-                                                                            // 11. 更新Redis预约计数
-                                                                            return redisService.incrementBookingCount(courseId)
-                                                                                .flatMap(count -> {
-                                                                                    // 12. 释放锁
-                                                                                    return redisService.releaseLock(courseId, requestId)
-                                                                                        .then(Mono.just(saved));
-                                                                                });
-                                                                        })
-                                                                        .doOnSuccess(savedBooking -> {
-                                                                            logger.info("预约成功：bookingId={}, courseId={}, memberId={}",
-                                                                                    saved.getId(), courseId, memberId);
-                                                                            // 发布预约成功事件
-                                                                            bookingReminderEventPublisher.publishBookingSuccessEvent(
-                                                                                    saved.getId(),
-                                                                                    saved.getMemberId(),
-                                                                                    saved.getCourseName(),
-                                                                                    saved.getCourseStartTime().toString()
-                                                                            );
-                                                                        })
-                                                                        .doOnError(error -> {
-                                                                            // 失败时回滚Redis计数和课程人数
-                                                                            redisService.decrementBookingCount(courseId).subscribe();
-                                                                            courseRepository.updateCurrentMembers(courseId, -1).subscribe();
-                                                                            logger.error("预约失败：courseId={}, memberId={}, error={}",
-                                                                                    courseId, memberId, error.getMessage());
-                                                                        });
+                                                                    // 10. 释放锁
+                                                                    return redisService.releaseLock(courseId, requestId)
+                                                                        .then(Mono.just(saved));
+                                                                })
+                                                                .doOnSuccess(savedBooking -> {
+                                                                    logger.info("预约成功：bookingId={}, courseId={}, memberId={}",
+                                                                            savedBooking.getId(), courseId, memberId);
+                                                                    // 发布预约成功事件
+                                                                    bookingReminderEventPublisher.publishBookingSuccessEvent(
+                                                                            savedBooking.getId(),
+                                                                            savedBooking.getMemberId(),
+                                                                            savedBooking.getCourseName(),
+                                                                            savedBooking.getCourseStartTime().toString()
+                                                                    );
                                                                 });
                                                         })
                                                     );
@@ -273,30 +266,22 @@ public class GroupCourseBookingService implements IGroupCourseBookingService {
                                             if (rows == 0) {
                                                 return Mono.error(new RuntimeException("更新预约状态失败"));
                                             }
-                                            // 6. 减少课程当前人数
-                                            return courseRepository.updateCurrentMembers(booking.getCourseId(), -1)
-                                                .flatMap(updatedCourse -> {
-                                                    // 7. 更新Redis预约计数
-                                                    return redisService.decrementBookingCount(booking.getCourseId())
-                                                        .flatMap(count -> {
-                                                            // 8. 释放锁
-                                                            return redisService.releaseLock(bookingId, requestId)
-                                                                .then(bookingRepository.findById(bookingId));
-                                                        });
-                                                })
-                                                .doOnSuccess(updatedBooking -> {
-                                                    logger.info("取消预约成功：bookingId={}, memberId={}", bookingId, memberId);
-                                                    // 发布预约取消事件
-                                                    bookingReminderEventPublisher.publishBookingCancelEvent(
-                                                            updatedBooking.getId(),
-                                                            updatedBooking.getMemberId(),
-                                                            updatedBooking.getCourseName()
-                                                    );
-                                                })
-                                                .doOnError(error -> {
-                                                    logger.error("取消预约失败：bookingId={}, memberId={}, error={}",
-                                                            bookingId, memberId, error.getMessage());
-                                                });
+                                            // 6. 释放锁
+                                            return redisService.releaseLock(bookingId, requestId)
+                                                .then(bookingRepository.findById(bookingId));
+                                        })
+                                        .doOnSuccess(updatedBooking -> {
+                                            logger.info("取消预约成功：bookingId={}, memberId={}", bookingId, memberId);
+                                            // 发布预约取消事件
+                                            bookingReminderEventPublisher.publishBookingCancelEvent(
+                                                    updatedBooking.getId(),
+                                                    updatedBooking.getMemberId(),
+                                                    updatedBooking.getCourseName()
+                                            );
+                                        })
+                                        .doOnError(error -> {
+                                            logger.error("取消预约失败：bookingId={}, memberId={}, error={}",
+                                                    bookingId, memberId, error.getMessage());
                                         });
                             })
                             .onErrorResume(error -> {

gym-manage-api/gym-groupCourse/src/main/java/cn/novalon/gym/manage/groupcourse/service/impl/GroupCourseRedisService.java

@@ -149,46 +149,4 @@ public class GroupCourseRedisService {
                 })
                 .defaultIfEmpty(false);
     }
-
-    /**
-     * 获取课程预约人数（缓存）
-     */
-    public Mono<Integer> getBookingCount(Long courseId) {
-        String key = "booking_count:" + courseId;
-        return reactiveRedisTemplate.opsForValue()
-                .get(key)
-                .map(obj -> (Integer) obj)
-                .defaultIfEmpty(0);
-    }
-
-    /**
-     * 增加课程预约人数
-     */
-    public Mono<Long> incrementBookingCount(Long courseId) {
-        String key = "booking_count:" + courseId;
-        return reactiveRedisTemplate.opsForValue()
-                .increment(key)
-                .doOnSuccess(count -> logger.debug("预约人数增加：courseId={}, count={}", courseId, count));
-    }
-
-    /**
-     * 减少课程预约人数
-     */
-    public Mono<Long> decrementBookingCount(Long courseId) {
-        String key = "booking_count:" + courseId;
-        return reactiveRedisTemplate.opsForValue()
-                .decrement(key)
-                .doOnSuccess(count -> logger.debug("预约人数减少：courseId={}, count={}", courseId, count));
-    }
-
-    /**
-     * 设置课程预约人数（用于从数据库同步）
-     */
-    public Mono<Void> setBookingCount(Long courseId, Integer count) {
-        String key = "booking_count:" + courseId;
-        return reactiveRedisTemplate.opsForValue()
-                .set(key, count)
-                .doOnSuccess(result -> logger.debug("预约人数已设置：courseId={}, count={}", courseId, count))
-                .then();
-    }
 }

gym-manage-api/gym-groupCourse/src/main/java/cn/novalon/gym/manage/groupcourse/service/impl/GroupCourseService.java

@@ -19,12 +19,15 @@ import cn.novalon.gym.manage.groupcourse.repository.IGroupCourseRepository;
 import cn.novalon.gym.manage.groupcourse.repository.IGroupCourseTypeRepository;
 import cn.novalon.gym.manage.groupcourse.service.IGroupCourseService;
 import cn.novalon.gym.manage.groupcourse.util.QRCodeUtil;
+import cn.novalon.gym.manage.groupcourse.vo.GroupCourseVO;
 import cn.novalon.gym.manage.file.core.service.ISysFileService;
 import cn.novalon.gym.manage.member.entity.MemberCard;
 import cn.novalon.gym.manage.member.entity.MemberCardRecord;
 import cn.novalon.gym.manage.member.enums.MemberCardType;
 import cn.novalon.gym.manage.member.repository.MemberCardRepository;
 import cn.novalon.gym.manage.member.service.IMemberCardRecordService;
+import cn.novalon.gym.manage.sys.core.domain.SysUser;
+import cn.novalon.gym.manage.sys.core.repository.ISysUserRepository;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.slf4j.Logger;
@@ -35,7 +38,9 @@ import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
 import java.time.LocalDateTime;
+import java.util.Collections;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 @Service
@@ -53,6 +58,7 @@ public class GroupCourseService implements IGroupCourseService {
     private final GroupCourseStateMachine stateMachine;
     private final DatabaseClient databaseClient;
     private final ISysFileService fileService;
+    private final ISysUserRepository sysUserRepository;
     
     private static final String CACHE_KEY_PREFIX = "group_course:page:";
     private static final String CACHE_KEY_ID_PREFIX = "group_course:id:";
@@ -71,7 +77,8 @@ public class GroupCourseService implements IGroupCourseService {
                               ObjectMapper objectMapper,
                               GroupCourseStateMachine stateMachine,
                               DatabaseClient databaseClient,
-                              ISysFileService fileService){
+                              ISysFileService fileService,
+                              ISysUserRepository sysUserRepository){
         this.groupCourseRepository = groupCourseRepository;
         this.bookingRepository = bookingRepository;
         this.groupCourseTypeRepository = groupCourseTypeRepository;
@@ -83,6 +90,7 @@ public class GroupCourseService implements IGroupCourseService {
         this.stateMachine = stateMachine;
         this.databaseClient = databaseClient;
         this.fileService = fileService;
+        this.sysUserRepository = sysUserRepository;
     }
 
     @Override
@@ -128,6 +136,8 @@ public class GroupCourseService implements IGroupCourseService {
                                         })
                                         .switchIfEmpty(Mono.just(buildDetail(course, null)));
                             })
+                            .flatMap(this::enrichCoachName)
+                            .flatMap(this::enrichCurrentMembers)
                             .flatMap(detail -> {
                                 try {
                                     String jsonData = objectMapper.writeValueAsString(detail);
@@ -173,6 +183,52 @@ public class GroupCourseService implements IGroupCourseService {
         return detail;
     }
 
+    /**
+     * 为团课详情对象填充教练名称
+     */
+    private Mono<GroupCourseDetail> enrichCoachName(GroupCourseDetail detail) {
+        Long coachId = detail.getCoachId();
+        if (coachId == null) {
+            return Mono.just(detail);
+        }
+        return sysUserRepository.findByIdIncludingDeleted(coachId)
+                .map(user -> {
+                    String name = user.getNickname() != null ? user.getNickname() : user.getUsername();
+                    detail.setCoachName(name);
+                    logger.debug("enrichCoachName: courseId={}, coachId={}, coachName={}", detail.getId(), coachId, name);
+                    return detail;
+                })
+                .doOnNext(d -> {}) // 避免空doOnNext告警
+                .defaultIfEmpty(detail)
+                .doOnDiscard(GroupCourseDetail.class, d ->
+                        logger.warn("enrichCoachName: coach not found, coachId={}, courseId={}", coachId, detail.getId())
+                );
+    }
+
+    /**
+     * 为团课详情对象填充实时预约人数
+     */
+    private Mono<GroupCourseDetail> enrichCurrentMembers(GroupCourseDetail detail) {
+        return bookingRepository.countValidBookings(detail.getId())
+                .map(count -> {
+                    detail.setCurrentMembers(count.intValue());
+                    return detail;
+                })
+                .defaultIfEmpty(detail);
+    }
+
+    /**
+     * 为团课对象填充实时预约人数
+     */
+    private Mono<GroupCourse> enrichCurrentMembers(GroupCourse course) {
+        return bookingRepository.countValidBookings(course.getId())
+                .map(count -> {
+                    course.setCurrentMembers(count.intValue());
+                    return course;
+                })
+                .defaultIfEmpty(course);
+    }
+
     @Override
     public Mono<GroupCourse> findById(Long id) {
         String cacheKey = CACHE_KEY_ID_PREFIX + id;
@@ -206,7 +262,8 @@ public class GroupCourseService implements IGroupCourseService {
                                 }
                             })
                             .doOnSubscribe(sub -> logger.debug("缓存未命中，查询数据库 - findById: id={}", id))
-                );
+                )
+                .flatMap(this::enrichCurrentMembers);
     }
 
     @Override
@@ -223,6 +280,47 @@ public class GroupCourseService implements IGroupCourseService {
         }
     }
 
+    @Override
+    public Flux<GroupCourseVO> findAllAsVO(boolean includeDeleted) {
+        return findAll(includeDeleted)
+                .flatMap(this::enrichCurrentMembers)
+                .collectList()
+                .flatMapMany(courses -> {
+                    if (courses.isEmpty()) {
+                        logger.info("findAllAsVO: no courses found");
+                        return Flux.empty();
+                    }
+                    var coachIds = courses.stream()
+                            .map(GroupCourse::getCoachId)
+                            .filter(id -> id != null)
+                            .distinct()
+                            .toList();
+
+                    logger.info("findAllAsVO: {} courses, {} unique coach IDs: {}", courses.size(), coachIds.size(), coachIds);
+
+                    if (coachIds.isEmpty()) {
+                        logger.info("findAllAsVO: no coach IDs, returning VOs with null coachName");
+                        return Flux.fromIterable(courses.stream()
+                                .map(c -> GroupCourseVO.from(c, null))
+                                .toList());
+                    }
+
+                    return Flux.fromIterable(coachIds)
+                            .flatMap(sysUserRepository::findByIdIncludingDeleted)
+                            .doOnNext(u -> logger.info("findAllAsVO: found coach id={}, nickname={}, username={}", u.getId(), u.getNickname(), u.getUsername()))
+                            .collectMap(SysUser::getId, u -> u.getNickname() != null ? u.getNickname() : u.getUsername())
+                            .doOnNext(m -> logger.info("findAllAsVO: coachNameMap size={}, keys={}", m.size(), m.keySet()))
+                            .flatMapMany(coachNameMap ->
+                                    Flux.fromIterable(courses.stream()
+                                            .map(c -> {
+                                                String name = coachNameMap.get(c.getCoachId());
+                                                logger.debug("findAllAsVO: courseId={}, coachId={}, coachName={}", c.getId(), c.getCoachId(), name);
+                                                return GroupCourseVO.from(c, name);
+                                            })
+                                            .toList()));
+                });
+    }
+
     @Override
     public Mono<PageResponse<GroupCourse>> findByPage(PageRequest pageRequest, boolean includeDeleted) {
         int page = pageRequest.getPage();
@@ -275,6 +373,73 @@ public class GroupCourseService implements IGroupCourseService {
                 );
     }
 
+    @Override
+    public Mono<PageResponse<GroupCourseVO>> findByPageAsVO(PageRequest pageRequest, boolean includeDeleted) {
+        return findByPage(pageRequest, includeDeleted)
+                .flatMap(pageResponse -> {
+                    List<GroupCourse> courses = pageResponse.getContent();
+                    if (courses.isEmpty()) {
+                        PageResponse<GroupCourseVO> voResponse = new PageResponse<>(
+                                Collections.emptyList(),
+                                pageResponse.getTotalPages(),
+                                pageResponse.getTotalElements(),
+                                pageResponse.getCurrentPage(),
+                                pageResponse.getPageSize()
+                        );
+                        return Mono.just(voResponse);
+                    }
+
+                    // 用实时预约人数覆盖缓存/DB中的currentMembers
+                    return Flux.fromIterable(courses)
+                            .flatMap(this::enrichCurrentMembers)
+                            .collectList()
+                            .flatMap(enrichedCourses -> {
+                                var coachIds = enrichedCourses.stream()
+                                        .map(GroupCourse::getCoachId)
+                                        .filter(id -> id != null)
+                                        .distinct()
+                                        .toList();
+
+                                logger.info("findByPageAsVO: {} courses, {} unique coach IDs: {}", enrichedCourses.size(), coachIds.size(), coachIds);
+
+                                if (coachIds.isEmpty()) {
+                                    List<GroupCourseVO> voList = enrichedCourses.stream()
+                                            .map(c -> GroupCourseVO.from(c, null))
+                                            .toList();
+                                    PageResponse<GroupCourseVO> voResponse = new PageResponse<>(
+                                            voList,
+                                            pageResponse.getTotalPages(),
+                                            pageResponse.getTotalElements(),
+                                            pageResponse.getCurrentPage(),
+                                            pageResponse.getPageSize()
+                                    );
+                                    return Mono.just(voResponse);
+                                }
+
+                                return Flux.fromIterable(coachIds)
+                                        .flatMap(sysUserRepository::findByIdIncludingDeleted)
+                                        .doOnNext(u -> logger.info("findByPageAsVO: found coach id={}, nickname={}", u.getId(), u.getNickname()))
+                                        .collectMap(SysUser::getId, u -> u.getNickname() != null ? u.getNickname() : u.getUsername())
+                                        .map(coachNameMap -> {
+                                            List<GroupCourseVO> voList = enrichedCourses.stream()
+                                                    .map(c -> {
+                                                        String name = coachNameMap.get(c.getCoachId());
+                                                        logger.debug("findByPageAsVO: courseId={}, coachId={}, coachName={}", c.getId(), c.getCoachId(), name);
+                                                        return GroupCourseVO.from(c, name);
+                                                    })
+                                                    .toList();
+                                            return new PageResponse<>(
+                                                    voList,
+                                                    pageResponse.getTotalPages(),
+                                                    pageResponse.getTotalElements(),
+                                                    pageResponse.getCurrentPage(),
+                                                    pageResponse.getPageSize()
+                                            );
+                                        });
+                            });
+                });
+    }
+
     @Override
     public Mono<GroupCourse> create(GroupCourse groupCourse) {
         return groupCourseRepository.save(groupCourse)
@@ -491,6 +656,15 @@ public class GroupCourseService implements IGroupCourseService {
     public Mono<GroupCourse> signIn(Long courseId, Long memberId) {
         return groupCourseRepository.findByIdAndDeletedAtIsNull(courseId)
                 .switchIfEmpty(Mono.error(new RuntimeException("团课不存在或已删除")))
+                .flatMap(course ->
+                    // 用实时预约人数覆盖currentMembers
+                    bookingRepository.countValidBookings(courseId)
+                            .map(count -> {
+                                course.setCurrentMembers(count.intValue());
+                                return course;
+                            })
+                            .defaultIfEmpty(course)
+                )
                 .flatMap(course -> {
                     // 校验1：团课已取消
                     if (course.getStatus().equals(CourseStatus.CANCELLED.getValue())) {
@@ -521,11 +695,9 @@ public class GroupCourseService implements IGroupCourseService {
                     return bookingRepository.findValidBooking(courseId, memberId)
                             .switchIfEmpty(Mono.error(new RuntimeException("您未预约此团课")))
                             .flatMap(booking -> {
-                                return groupCourseRepository.updateCurrentMembers(courseId, 1)
-                                        .flatMap(updatedCourse -> {
-                                            return bookingRepository.updateStatus(booking.getId(), "2")
-                                                    .thenReturn(updatedCourse);
-                                        });
+                                // 更新预约状态为已出席（2），不再手动计数
+                                return bookingRepository.updateStatus(booking.getId(), "2")
+                                        .thenReturn(course);
                             });
                 })
                 .doOnSuccess(course -> logger.info("团课签到成功 - courseId={}, memberId={}", courseId, memberId))
@@ -571,4 +743,33 @@ public class GroupCourseService implements IGroupCourseService {
                 .then(redisUtil.deleteByPattern(CACHE_KEY_ID_PREFIX + "*"))
                 .then(redisUtil.deleteByPattern(CACHE_KEY_DETAIL_PREFIX + "*")).then();
     }
+
+    @Override
+    public Mono<List<GroupCourse>> checkCoachConflict(Long coachId, LocalDateTime startTime, LocalDateTime endTime, Long excludeCourseId) {
+        if (coachId == null || startTime == null || endTime == null) {
+            return Mono.just(Collections.emptyList());
+        }
+        return groupCourseRepository.findByCoachId(coachId)
+                .filter(course -> {
+                    // 排除已取消的课程
+                    if (course.getStatus() != null && course.getStatus().equals(CourseStatus.CANCELLED.getValue())) {
+                        return false;
+                    }
+                    // 排除自身（编辑时）
+                    if (excludeCourseId != null && course.getId() != null && course.getId().equals(excludeCourseId)) {
+                        return false;
+                    }
+                    // 检查时间是否重叠：startTime < course.endTime AND course.startTime < endTime
+                    if (course.getStartTime() == null || course.getEndTime() == null) {
+                        return false;
+                    }
+                    return startTime.isBefore(course.getEndTime()) && course.getStartTime().isBefore(endTime);
+                })
+                .collectList()
+                .doOnNext(conflicts -> {
+                    if (!conflicts.isEmpty()) {
+                        logger.info("checkCoachConflict: coachId={}, conflicts={} courses", coachId, conflicts.size());
+                    }
+                });
+    }
 }

gym-manage-api/gym-groupCourse/src/main/java/cn/novalon/gym/manage/groupcourse/vo/GroupCourseVO.java

@@ -0,0 +1,124 @@
+package cn.novalon.gym.manage.groupcourse.vo;
+
+import cn.novalon.gym.manage.groupcourse.domain.GroupCourse;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+/**
+ * 团课视图对象（含教练昵称）
+ *
+ * @author 张翔
+ * @date 2026-07-19
+ */
+public class GroupCourseVO {
+
+    private Long id;
+    private String courseName;
+    private Long coachId;
+    private String coachName;
+    private Long courseType;
+    private LocalDateTime startTime;
+    private LocalDateTime endTime;
+    private Integer maxMembers;
+    private Integer currentMembers;
+    private Long status;
+    private String location;
+    private String coverImage;
+    private String description;
+    private BigDecimal storedValueAmount;
+    private String qrCodePath;
+    private String createBy;
+    private String updateBy;
+    private LocalDateTime createdAt;
+    private LocalDateTime updatedAt;
+
+    public GroupCourseVO() {}
+
+    /**
+     * 从领域对象和教练名称构建 VO
+     */
+    public static GroupCourseVO from(GroupCourse course, String coachName) {
+        GroupCourseVO vo = new GroupCourseVO();
+        vo.setId(course.getId());
+        vo.setCourseName(course.getCourseName());
+        vo.setCoachId(course.getCoachId());
+        vo.setCoachName(coachName);
+        vo.setCourseType(course.getCourseType());
+        vo.setStartTime(course.getStartTime());
+        vo.setEndTime(course.getEndTime());
+        vo.setMaxMembers(course.getMaxMembers());
+        vo.setCurrentMembers(course.getCurrentMembers());
+        vo.setStatus(course.getStatus());
+        vo.setLocation(course.getLocation());
+        vo.setCoverImage(course.getCoverImage());
+        vo.setDescription(course.getDescription());
+        vo.setStoredValueAmount(course.getStoredValueAmount());
+        vo.setQrCodePath(course.getQrCodePath());
+        vo.setCreateBy(course.getCreateBy());
+        vo.setUpdateBy(course.getUpdateBy());
+        vo.setCreatedAt(course.getCreatedAt());
+        vo.setUpdatedAt(course.getUpdatedAt());
+        return vo;
+    }
+
+    // -- getters / setters --
+
+    public Long getId() { return id; }
+    public void setId(Long id) { this.id = id; }
+
+    public String getCourseName() { return courseName; }
+    public void setCourseName(String courseName) { this.courseName = courseName; }
+
+    public Long getCoachId() { return coachId; }
+    public void setCoachId(Long coachId) { this.coachId = coachId; }
+
+    public String getCoachName() { return coachName; }
+    public void setCoachName(String coachName) { this.coachName = coachName; }
+
+    public Long getCourseType() { return courseType; }
+    public void setCourseType(Long courseType) { this.courseType = courseType; }
+
+    public LocalDateTime getStartTime() { return startTime; }
+    public void setStartTime(LocalDateTime startTime) { this.startTime = startTime; }
+
+    public LocalDateTime getEndTime() { return endTime; }
+    public void setEndTime(LocalDateTime endTime) { this.endTime = endTime; }
+
+    public Integer getMaxMembers() { return maxMembers; }
+    public void setMaxMembers(Integer maxMembers) { this.maxMembers = maxMembers; }
+
+    public Integer getCurrentMembers() { return currentMembers; }
+    public void setCurrentMembers(Integer currentMembers) { this.currentMembers = currentMembers; }
+
+    public Long getStatus() { return status; }
+    public void setStatus(Long status) { this.status = status; }
+
+    public String getLocation() { return location; }
+    public void setLocation(String location) { this.location = location; }
+
+    public String getCoverImage() { return coverImage; }
+    public void setCoverImage(String coverImage) { this.coverImage = coverImage; }
+
+    public String getDescription() { return description; }
+    public void setDescription(String description) { this.description = description; }
+
+    public BigDecimal getStoredValueAmount() { return storedValueAmount; }
+    public void setStoredValueAmount(BigDecimal storedValueAmount) { this.storedValueAmount = storedValueAmount; }
+
+    public String getQrCodePath() { return qrCodePath; }
+    public void setQrCodePath(String qrCodePath) { this.qrCodePath = qrCodePath; }
+
+    public String getCreateBy() { return createBy; }
+    public void setCreateBy(String createBy) { this.createBy = createBy; }
+
+    public String getUpdateBy() { return updateBy; }
+    public void setUpdateBy(String updateBy) { this.updateBy = updateBy; }
+
+    public LocalDateTime getCreatedAt() { return createdAt; }
+    public void setCreatedAt(LocalDateTime createdAt) { this.createdAt = createdAt; }
+
+    public LocalDateTime getUpdatedAt() { return updatedAt; }
+    public void setUpdatedAt(LocalDateTime updatedAt) { this.updatedAt = updatedAt; }
+}

gym-manage-api/manage-app/src/main/java/cn/novalon/gym/manage/app/config/SystemRouter.java

@@ -20,6 +20,7 @@ import cn.novalon.gym.manage.notify.handler.BannerHandler;
 import cn.novalon.gym.manage.notify.handler.SysNoticeHandler;
 import cn.novalon.gym.manage.notify.handler.SysUserMessageHandler;
 import cn.novalon.gym.manage.payment.handler.PaymentHandler;
+import cn.novalon.gym.manage.app.handler.CoachHandler;
 import cn.novalon.gym.manage.sys.handler.auth.PasswordDiagnosticHandler;
 import cn.novalon.gym.manage.sys.handler.auth.SysAuthHandler;
 import cn.novalon.gym.manage.sys.handler.config.SysConfigHandler;
@@ -84,7 +85,8 @@ public class SystemRouter {
             CheckInHandler checkInHandler,
             DataStatisticsHandler dataStatisticsHandler,
             PhoneAuthHandler phoneAuthHandler,
-            PaymentHandler paymentHandler) {
+            PaymentHandler paymentHandler,
+            CoachHandler coachHandler) {
 
         return route()
                 // ========== 诊断路由 ==========
@@ -118,6 +120,13 @@ public class SystemRouter {
                 .GET("/api/users/{id}/roles", userHandler::getUserRoles)
                 .POST("/api/users/{id}/roles", userHandler::assignRoles)
 
+                // ========== 教练路由 ==========
+                .GET("/api/coach/list", coachHandler::getAllCoaches)
+                .POST("/api/coach", coachHandler::createCoach)
+                .PUT("/api/coach/{id}", coachHandler::updateCoach)
+                .POST("/api/coach/{id}/disable", coachHandler::disableCoach)
+                .GET("/api/coach/{id}/courses", coachHandler::getCoachCourses)
+
                 // ========== 菜单路由 ==========
                 .GET("/api/menus", menuHandler::getAllMenus)
                 .GET("/api/menus/tree", menuHandler::getMenuTree)
@@ -362,6 +371,7 @@ public class SystemRouter {
                 .POST("/api/groupCourse/{id}/cancel", groupCourseHandler::cancelGroupCourse)
                 .POST("/api/groupCourse/signin/{memberId}", groupCourseHandler::signIn)
                 .POST("/api/groupCourse/search", groupCourseHandler::searchGroupCourses)
+                .POST("/api/groupCourse/check-coach-conflict", groupCourseHandler::checkCoachConflict)
                 
                 // ========= 签到模块路由 ==========
                 // ===== 签到核心功能 =====

gym-manage-api/manage-app/src/main/java/cn/novalon/gym/manage/app/handler/CoachHandler.java

@@ -0,0 +1,102 @@
+package cn.novalon.gym.manage.app.handler;
+
+import cn.novalon.gym.manage.app.service.CoachService;
+import cn.novalon.gym.manage.sys.core.domain.SysUser;
+import cn.novalon.gym.manage.sys.dto.request.CoachCreateRequest;
+import cn.novalon.gym.manage.sys.dto.request.CoachUpdateRequest;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.validation.Validator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Component;
+import org.springframework.web.reactive.function.server.ServerRequest;
+import org.springframework.web.reactive.function.server.ServerResponse;
+import reactor.core.publisher.Mono;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 教练处理器（放在 manage-app 中避免模块循环依赖）
+ *
+ * @author 张翔
+ * @date 2026-07-19
+ */
+@Component
+@Tag(name = "教练管理", description = "教练相关操作")
+public class CoachHandler {
+
+    private static final Logger logger = LoggerFactory.getLogger(CoachHandler.class);
+    private final CoachService coachService;
+    private final Validator validator;
+
+    public CoachHandler(CoachService coachService, Validator validator) {
+        this.coachService = coachService;
+        this.validator = validator;
+    }
+
+    @Operation(summary = "获取所有教练", description = "获取系统中所有教练列表")
+    public Mono<ServerResponse> getAllCoaches(ServerRequest request) {
+        return ServerResponse.ok()
+                .body(coachService.getAllCoaches(), SysUser.class);
+    }
+
+    @Operation(summary = "创建教练", description = "创建新教练（创建用户并分配教练角色）")
+    public Mono<ServerResponse> createCoach(ServerRequest request) {
+        return request.bodyToMono(CoachCreateRequest.class)
+                .flatMap(req -> {
+                    var violations = validator.validate(req);
+                    if (!violations.isEmpty()) {
+                        Map<String, String> errors = new HashMap<>();
+                        violations.forEach(v -> errors.put(v.getPropertyPath().toString(), v.getMessage()));
+                        return ServerResponse.badRequest().bodyValue(errors);
+                    }
+                    return coachService.createCoach(
+                            req.getUsername(), req.getPassword(),
+                            req.getNickname(), req.getEmail(), req.getPhone())
+                            .flatMap(user -> ServerResponse.status(HttpStatus.CREATED).bodyValue(user))
+                            .onErrorResume(e -> {
+                                logger.error("创建教练失败", e);
+                                return ServerResponse.badRequest()
+                                        .bodyValue(Map.of("error", e.getMessage()));
+                            });
+                });
+    }
+
+    @Operation(summary = "更新教练信息", description = "更新教练基本信息（昵称、邮箱、手机号）")
+    public Mono<ServerResponse> updateCoach(ServerRequest request) {
+        Long id = Long.valueOf(request.pathVariable("id"));
+        return request.bodyToMono(CoachUpdateRequest.class)
+                .flatMap(req -> coachService.updateCoach(id, req.getNickname(), req.getEmail(), req.getPhone())
+                        .flatMap(user -> ServerResponse.ok().bodyValue(user))
+                        .switchIfEmpty(ServerResponse.notFound().build())
+                        .onErrorResume(e -> {
+                            logger.error("更新教练失败", e);
+                            return ServerResponse.badRequest()
+                                    .bodyValue(Map.of("error", e.getMessage()));
+                        }));
+    }
+
+    @Operation(summary = "禁用教练", description = "禁用教练账号，自动取消其所有非进行中的团课")
+    public Mono<ServerResponse> disableCoach(ServerRequest request) {
+        Long id = Long.valueOf(request.pathVariable("id"));
+        return coachService.disableCoach(id)
+                .then(ServerResponse.ok().bodyValue(Map.of("message", "教练已禁用")))
+                .onErrorResume(e -> {
+                    logger.error("禁用教练失败: {}", e.getMessage());
+                    return ServerResponse.badRequest().bodyValue(Map.of("error", e.getMessage()));
+                });
+    }
+
+    @Operation(summary = "获取教练的团课", description = "获取指定教练教授的所有团课")
+    public Mono<ServerResponse> getCoachCourses(ServerRequest request) {
+        Long id = Long.valueOf(request.pathVariable("id"));
+        return coachService.getCoachCourses(id)
+                .collectList()
+                .flatMap(courses -> ServerResponse.ok().bodyValue(courses))
+                .switchIfEmpty(ServerResponse.ok().bodyValue(List.of()));
+    }
+}

gym-manage-api/manage-app/src/main/java/cn/novalon/gym/manage/app/service/CoachService.java

@@ -0,0 +1,144 @@
+package cn.novalon.gym.manage.app.service;
+
+import cn.novalon.gym.manage.common.util.StatusConstants;
+import cn.novalon.gym.manage.groupcourse.domain.GroupCourse;
+import cn.novalon.gym.manage.groupcourse.repository.IGroupCourseBookingRepository;
+import cn.novalon.gym.manage.groupcourse.repository.IGroupCourseRepository;
+import cn.novalon.gym.manage.sys.core.domain.SysRole;
+import cn.novalon.gym.manage.sys.core.domain.SysUser;
+import cn.novalon.gym.manage.sys.core.domain.UserRole;
+import cn.novalon.gym.manage.sys.core.repository.ISysRoleRepository;
+import cn.novalon.gym.manage.sys.core.repository.ISysUserRepository;
+import cn.novalon.gym.manage.sys.core.repository.IUserRoleRepository;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.data.domain.Sort;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+
+import java.time.LocalDateTime;
+
+/**
+ * 教练服务（跨模块编排，放在 manage-app 中避免模块循环依赖）
+ *
+ * @author 张翔
+ * @date 2026-07-19
+ */
+@Service
+public class CoachService {
+
+    private static final Logger logger = LoggerFactory.getLogger(CoachService.class);
+    private static final String COACH_ROLE_NAME = "教练";
+
+    private final ISysUserRepository userRepository;
+    private final ISysRoleRepository roleRepository;
+    private final IUserRoleRepository userRoleRepository;
+    private final IGroupCourseRepository groupCourseRepository;
+    private final IGroupCourseBookingRepository bookingRepository;
+    private final PasswordEncoder passwordEncoder;
+
+    public CoachService(ISysUserRepository userRepository,
+                        ISysRoleRepository roleRepository,
+                        IUserRoleRepository userRoleRepository,
+                        IGroupCourseRepository groupCourseRepository,
+                        IGroupCourseBookingRepository bookingRepository,
+                        PasswordEncoder passwordEncoder) {
+        this.userRepository = userRepository;
+        this.roleRepository = roleRepository;
+        this.userRoleRepository = userRoleRepository;
+        this.groupCourseRepository = groupCourseRepository;
+        this.bookingRepository = bookingRepository;
+        this.passwordEncoder = passwordEncoder;
+    }
+
+    public Flux<SysUser> getAllCoaches() {
+        return getCoachRoleId()
+                .flatMapMany(roleId -> userRoleRepository.findByRoleId(roleId)
+                        .map(UserRole::getUserId)
+                        .collectList()
+                        .flatMapMany(userIds -> {
+                            if (userIds.isEmpty()) {
+                                return Flux.empty();
+                            }
+                            return Flux.fromIterable(userIds)
+                                    .flatMap(userRepository::findById)
+                                    .filter(user -> user.getDeletedAt() == null);
+                        }));
+    }
+
+    public Mono<SysUser> createCoach(String username, String password, String nickname, String email, String phone) {
+        return getCoachRoleId().flatMap(coachRoleId -> {
+            SysUser user = new SysUser();
+            user.generateId();
+            user.setUsername(username);
+            user.setPassword(passwordEncoder.encode(password));
+            user.setNickname(nickname);
+            user.setEmail(email);
+            user.setPhone(phone);
+            user.setStatus(StatusConstants.ENABLED);
+
+            return userRepository.save(user)
+                    .flatMap(saved -> {
+                        UserRole userRole = new UserRole();
+                        userRole.setUserId(saved.getId());
+                        userRole.setRoleId(coachRoleId);
+                        return userRoleRepository.save(userRole).thenReturn(saved);
+                    });
+        });
+    }
+
+    public Mono<SysUser> updateCoach(Long id, String nickname, String email, String phone) {
+        return userRepository.findById(id)
+                .switchIfEmpty(Mono.error(new RuntimeException("教练不存在")))
+                .flatMap(user -> {
+                    if (nickname != null) user.setNickname(nickname);
+                    if (email != null) user.setEmail(email);
+                    if (phone != null) user.setPhone(phone);
+                    user.setUpdatedAt(LocalDateTime.now());
+                    return userRepository.update(user);
+                });
+    }
+
+    @Transactional(transactionManager = "connectionFactoryTransactionManager")
+    public Mono<Void> disableCoach(Long id) {
+        return userRepository.findById(id)
+                .switchIfEmpty(Mono.error(new RuntimeException("教练不存在")))
+                .flatMap(user ->
+                    groupCourseRepository.countByCoachIdAndStatus(id, 3L)
+                            .flatMap(inProgressCount -> {
+                                if (inProgressCount > 0) {
+                                    return Mono.error(new RuntimeException(
+                                            "该教练有 " + inProgressCount + " 门正在进行中的团课，无法禁用"));
+                                }
+                                return groupCourseRepository.cancelCoursesByCoachIdExceptStatus(id, 3L)
+                                        .then();
+                            })
+                            .then(Mono.defer(() -> {
+                                user.setStatus(StatusConstants.DISABLED);
+                                user.setUpdatedAt(LocalDateTime.now());
+                                return userRepository.update(user).then();
+                            }))
+                );
+    }
+
+    public Flux<GroupCourse> getCoachCourses(Long coachId) {
+        return groupCourseRepository.findByCoachId(coachId, Sort.by(Sort.Direction.DESC, "startTime"))
+                .flatMap(course ->
+                    bookingRepository.countValidBookings(course.getId())
+                            .map(count -> {
+                                course.setCurrentMembers(count.intValue());
+                                return course;
+                            })
+                            .defaultIfEmpty(course)
+                );
+    }
+
+    public Mono<Long> getCoachRoleId() {
+        return roleRepository.findByRoleName(COACH_ROLE_NAME)
+                .map(SysRole::getId)
+                .switchIfEmpty(Mono.error(new RuntimeException("教练角色未找到，请先执行数据库迁移")));
+    }
+}

gym-manage-api/manage-db/src/main/resources/db/migration/V20__Add_banner_menu.sql

@@ -1,18 +1,15 @@
 -- ============================================
--- V20: 新增轮播图管理菜单
--- 描述: 为首页轮播图管理功能创建菜单项
+-- V20: 新增轮播图管理菜单按钮权限
+-- 注意: sys_menu(id=19, 轮播图管理) 已在 V19 中创建
 -- ============================================
 
--- 轮播图管理子菜单（页面），归属系统管理目录
-INSERT INTO sys_menu (id, menu_name, parent_id, order_num, menu_type, perms, component, status, created_at, updated_at) VALUES
-(19, '轮播图管理', 0, 8, 'C', 'system:banner:list', 'banner/index', 1, NOW(), NOW());
-
 -- 轮播图管理按钮权限
 INSERT INTO sys_menu (id, menu_name, parent_id, order_num, menu_type, perms, component, status, created_at, updated_at) VALUES
 (191, '轮播图查询', 19, 1, 'F', 'system:banner:query',  NULL, 1, NOW(), NOW()),
 (192, '轮播图新增', 19, 2, 'F', 'system:banner:add',    NULL, 1, NOW(), NOW()),
 (193, '轮播图修改', 19, 3, 'F', 'system:banner:edit',   NULL, 1, NOW(), NOW()),
-(194, '轮播图删除', 19, 4, 'F', 'system:banner:remove', NULL, 1, NOW(), NOW());
+(194, '轮播图删除', 19, 4, 'F', 'system:banner:remove', NULL, 1, NOW(), NOW())
+ON CONFLICT (id) DO NOTHING;
 
 -- 重置菜单序列
 SELECT setval('sys_menu_id_seq', (SELECT COALESCE(MAX(id), 1) FROM sys_menu));

gym-manage-api/manage-db/src/main/resources/db/migration/V22__Add_coach_role_menu.sql

@@ -0,0 +1,49 @@
+-- ============================================
+-- V22: 教练管理 - 角色/权限/菜单
+-- ============================================
+
+-- ============================================
+-- 1. 教练角色
+-- ============================================
+INSERT INTO sys_role (id, role_name, role_key, role_sort, status, create_by, update_by, created_at, updated_at) 
+VALUES (5, '教练', 'coach', 5, 1, 'system', 'system', NOW(), NOW())
+ON CONFLICT (id) DO NOTHING;
+
+SELECT setval('sys_role_id_seq', COALESCE((SELECT MAX(id) FROM sys_role), 1));
+
+-- ============================================
+-- 2. 教练管理权限
+-- ============================================
+INSERT INTO sys_permission (permission_name, permission_code, resource, action, description, status, create_by, update_by, created_at, updated_at) VALUES
+('教练查看', 'system:coach:view',   '/api/coach',        'GET',    '查看教练列表',    1, 'system', 'system', NOW(), NOW()),
+('教练创建', 'system:coach:create', '/api/coach',        'POST',   '创建教练',        1, 'system', 'system', NOW(), NOW()),
+('教练编辑', 'system:coach:edit',   '/api/coach',        'PUT',    '编辑教练信息',    1, 'system', 'system', NOW(), NOW()),
+('教练删除', 'system:coach:delete', '/api/coach',        'DELETE', '删除（禁用）教练', 1, 'system', 'system', NOW(), NOW());
+
+-- ============================================
+-- 3. 为超级管理员角色分配教练权限
+-- ============================================
+INSERT INTO sys_role_permission (role_id, permission_id, create_by, update_by, created_at, updated_at)
+SELECT 1, id, 'system', 'system', NOW(), NOW() FROM sys_permission 
+WHERE permission_code LIKE 'system:coach:%'
+  AND id NOT IN (SELECT permission_id FROM sys_role_permission WHERE role_id = 1);
+
+-- ============================================
+-- 4. 教练管理菜单（顶级菜单）
+-- ============================================
+INSERT INTO sys_menu (id, menu_name, parent_id, order_num, menu_type, perms, component, status, created_at, updated_at) VALUES
+(20, '教练管理', 0, 9, 'C', 'system:coach:list', 'system/coach/index', 1, NOW(), NOW());
+
+-- 教练管理按钮权限
+INSERT INTO sys_menu (id, menu_name, parent_id, order_num, menu_type, perms, component, status, created_at, updated_at) VALUES
+(201, '教练查询', 20, 1, 'F', 'system:coach:query',  NULL, 1, NOW(), NOW()),
+(202, '教练新增', 20, 2, 'F', 'system:coach:add',    NULL, 1, NOW(), NOW()),
+(203, '教练修改', 20, 3, 'F', 'system:coach:edit',   NULL, 1, NOW(), NOW()),
+(204, '教练删除', 20, 4, 'F', 'system:coach:remove', NULL, 1, NOW(), NOW());
+
+-- ============================================
+-- 5. 重置序列
+-- ============================================
+SELECT setval('sys_menu_id_seq',           (SELECT COALESCE(MAX(id), 1) FROM sys_menu));
+SELECT setval('sys_permission_id_seq',     (SELECT COALESCE(MAX(id), 1) FROM sys_permission));
+SELECT setval('sys_role_permission_id_seq',(SELECT COALESCE(MAX(id), 1) FROM sys_role_permission));

gym-manage-api/manage-sys/src/main/java/cn/novalon/gym/manage/sys/dto/request/CoachCreateRequest.java

@@ -0,0 +1,54 @@
+package cn.novalon.gym.manage.sys.dto.request;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Pattern;
+import jakarta.validation.constraints.Size;
+
+/**
+ * 教练创建请求DTO
+ *
+ * @author 张翔
+ * @date 2026-07-19
+ */
+@Schema(description = "教练创建请求")
+public class CoachCreateRequest {
+
+    @Schema(description = "用户名", example = "coach01")
+    @NotBlank(message = "用户名不能为空")
+    @Size(min = 3, max = 50, message = "用户名长度必须在3-50之间")
+    @Pattern(regexp = "^[a-zA-Z0-9_-]+$", message = "用户名只能包含字母、数字、下划线和横线")
+    private String username;
+
+    @Schema(description = "昵称", example = "张教练")
+    @Size(max = 100, message = "昵称长度不能超过100")
+    private String nickname;
+
+    @Schema(description = "密码", example = "Coach@123")
+    @NotBlank(message = "密码不能为空")
+    @Size(min = 8, max = 20, message = "密码长度必须在8-20之间")
+    @Pattern(regexp = "^(?=.*[a-z])(?=.*[A-Z])(?=.*\\d).+$", message = "密码必须包含大小写字母和数字")
+    private String password;
+
+    @Schema(description = "邮箱", example = "coach@example.com")
+    @NotBlank(message = "邮箱不能为空")
+    @Email(message = "邮箱格式不正确")
+    private String email;
+
+    @Schema(description = "手机号", example = "13800138001")
+    @NotBlank(message = "手机号不能为空")
+    @Pattern(regexp = "^1[3-9]\\d{9}$", message = "手机号格式不正确")
+    private String phone;
+
+    public String getUsername() { return username; }
+    public void setUsername(String username) { this.username = username; }
+    public String getNickname() { return nickname; }
+    public void setNickname(String nickname) { this.nickname = nickname; }
+    public String getPassword() { return password; }
+    public void setPassword(String password) { this.password = password; }
+    public String getEmail() { return email; }
+    public void setEmail(String email) { this.email = email; }
+    public String getPhone() { return phone; }
+    public void setPhone(String phone) { this.phone = phone; }
+}

gym-manage-api/manage-sys/src/main/java/cn/novalon/gym/manage/sys/dto/request/CoachUpdateRequest.java

@@ -0,0 +1,35 @@
+package cn.novalon.gym.manage.sys.dto.request;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.Pattern;
+import jakarta.validation.constraints.Size;
+
+/**
+ * 教练更新请求DTO
+ *
+ * @author 张翔
+ * @date 2026-07-19
+ */
+@Schema(description = "教练更新请求")
+public class CoachUpdateRequest {
+
+    @Schema(description = "昵称", example = "张教练")
+    @Size(max = 100, message = "昵称长度不能超过100")
+    private String nickname;
+
+    @Schema(description = "邮箱", example = "coach@example.com")
+    @Email(message = "邮箱格式不正确")
+    private String email;
+
+    @Schema(description = "手机号", example = "13800138001")
+    @Pattern(regexp = "^1[3-9]\\d{9}$", message = "手机号格式不正确")
+    private String phone;
+
+    public String getNickname() { return nickname; }
+    public void setNickname(String nickname) { this.nickname = nickname; }
+    public String getEmail() { return email; }
+    public void setEmail(String email) { this.email = email; }
+    public String getPhone() { return phone; }
+    public void setPhone(String phone) { this.phone = phone; }
+}

gym-manage-uniapp/pages/course-detail/course-detail.vue

@@ -294,10 +294,16 @@
 			goBack() { uni.navigateBack() },
 			async handleBooking() {
 				if (!this.course.canBook || this.submitting) return
+				if (!store.isLoggedIn) {
+					uni.showToast({ title: '请先登录', icon: 'none' })
+					setTimeout(() => { uni.reLaunch({ url: '/pages/login/login' }) }, 1000)
+					return
+				}
 				const memberInfo = store.getMemberInfo()
 				const memberId = memberInfo ? (memberInfo.memberId || memberInfo.id) : null
 				if (!memberId) {
 					uni.showToast({ title: '请先登录', icon: 'none' })
+					setTimeout(() => { uni.reLaunch({ url: '/pages/login/login' }) }, 1000)
 					return
 				}
 				this.submitting = true

gym-manage-uniapp/store/index.js

@@ -42,10 +42,11 @@ const store = {
     }
   },
 
-  /** 更新会员信息 */
+  /** 更新会员信息（合并而非覆盖，保留 memberId 等关键字段） */
   updateMemberInfo(memberInfo) {
     try {
-      uni.setStorageSync(MEMBER_KEY, memberInfo)
+      const existing = uni.getStorageSync(MEMBER_KEY) || {}
+      uni.setStorageSync(MEMBER_KEY, { ...existing, ...memberInfo })
     } catch (e) {
       console.error('更新会员信息失败:', e)
     }

gym-manage-web/src/api/coach.api.ts

@@ -0,0 +1,50 @@
+import request from '@/utils/request'
+export { type GroupCourse } from '@/api/groupCourse.api'
+
+export interface Coach {
+  id: string
+  username: string
+  nickname: string
+  email: string
+  phone: string
+  avatar: string
+  status: number
+  createdAt: string
+  updatedAt: string
+}
+
+export interface CoachCreateRequest {
+  username: string
+  password: string
+  nickname: string
+  email: string
+  phone: string
+}
+
+export interface CoachUpdateRequest {
+  nickname?: string
+  email?: string
+  phone?: string
+}
+
+export const coachApi = {
+  /** 获取所有教练列表 */
+  getAll: () =>
+    request.get<Coach[]>('/coach/list'),
+
+  /** 创建教练（自动分配教练角色） */
+  create: (data: CoachCreateRequest) =>
+    request.post<Coach>('/coach', data),
+
+  /** 更新教练信息 */
+  update: (id: string, data: CoachUpdateRequest) =>
+    request.put<Coach>(`/coach/${id}`, data),
+
+  /** 禁用教练 */
+  disable: (id: string) =>
+    request.post<void>(`/coach/${id}/disable`),
+
+  /** 获取教练教授的团课列表 */
+  getCourses: (id: string) =>
+    request.get<GroupCourse[]>(`/coach/${id}/courses`),
+}

gym-manage-web/src/api/groupCourse.api.ts

@@ -5,7 +5,8 @@ import request from '@/utils/request'
 export interface GroupCourse {
   id?: number
   courseName: string
-  coachId?: number
+  coachId?: number | string
+  coachName?: string
   courseType?: number
   startTime: string
   endTime: string
@@ -31,7 +32,7 @@ export interface GroupCoursePageRequest {
   keyword?: string
   status?: string
   courseType?: number
-  coachId?: number
+  coachId?: number | string
   startTime?: string
   endTime?: string
   sortBy?: string
@@ -75,6 +76,18 @@ export const groupCourseApi = {
 
   search: (params: any) =>
     request.post<GroupCourse[]>('/groupCourse/search', params),
+
+  checkCoachConflict: (params: {
+    coachId: number | string
+    startTime: string
+    endTime: string
+    excludeCourseId?: number | string
+  }) =>
+    request.post<{
+      success: boolean
+      hasConflict: boolean
+      conflicts: GroupCourse[]
+    }>('/groupCourse/check-coach-conflict', params),
 }
 
 // ==================== 团课类型 ====================

gym-manage-web/src/router/index.ts

@@ -40,6 +40,12 @@ const routes: RouteRecordRaw[] = [
         component: () => import('@/views/system/UserManagement.vue'),
         meta: { title: '用户管理' }
       },
+      {
+        path: 'coach',
+        name: 'CoachManagement',
+        component: () => import('@/views/system/CoachManagement.vue'),
+        meta: { title: '教练管理' }
+      },
       {
         path: 'roles',
         name: 'RoleManagement',

gym-manage-web/src/stores/permission.ts

@@ -31,6 +31,7 @@ function transformMenuData(backendMenus: BackendMenuItem[]): MenuItem[] {
     'system/user/index': '/users',
     'system/role/index': '/roles',
     'system/menu/index': '/menus',
+    'system/coach/index': '/coach',
     'system/dict/index': '/dict',
     'system/config/index': '/sys/config',
     'system/notice/index': '/notice',
@@ -92,6 +93,7 @@ function getMenuIcon(menuName: string): string {
     '审计日志': 'Document',
     '系统监控': 'Monitor',
     '用户管理': 'User',
+    '教练管理': 'Medal',
     '角色管理': 'UserFilled',
     '菜单管理': 'Menu',
     '字典管理': 'Collection',

gym-manage-web/src/views/groupcourse/GroupCourseManagement.vue

@@ -64,6 +64,11 @@
             {{ getCourseTypeName(row.courseType) }}
           </template>
         </el-table-column>
+        <el-table-column label="教练" width="100">
+          <template #default="{ row }">
+            {{ getCoachDisplayName(row.coachId) || row.coachName || '-' }}
+          </template>
+        </el-table-column>
         <el-table-column label="状态" width="90">
           <template #default="{ row }">
             <el-tag
@@ -150,6 +155,28 @@
             />
           </el-select>
         </el-form-item>
+        <el-form-item label="教练" prop="coachId">
+          <el-select
+            v-model="formState.coachId"
+            placeholder="请选择教练"
+            clearable
+            style="width: 100%"
+          >
+            <el-option
+              v-for="coach in coaches"
+              :key="coach.id"
+              :value="coach.id"
+              :label="`${coach.nickname || coach.username} (${coach.username})`"
+            />
+          </el-select>
+          <div v-if="coachConflictWarning" style="margin-top: 6px; color: #e6a23c; font-size: 12px; line-height: 1.5;">
+            <el-icon style="vertical-align: middle;"><WarningFilled /></el-icon>
+            {{ coachConflictWarning }}
+          </div>
+          <div v-if="coachConflictChecking" style="margin-top: 4px; color: #909399; font-size: 12px;">
+            正在检查教练排期...
+          </div>
+        </el-form-item>
         <el-form-item label="开始时间" prop="startTime">
           <el-date-picker
             v-model="formState.startTime"
@@ -246,8 +273,9 @@
 <script setup lang="ts">
 import { ref, reactive, watch, onMounted } from 'vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
-import { Search, Plus } from '@element-plus/icons-vue'
+import { Search, Plus, WarningFilled } from '@element-plus/icons-vue'
 import { groupCourseApi, groupCourseTypeApi, type GroupCourse, type GroupCourseType } from '@/api/groupCourse.api'
+import { coachApi, type Coach } from '@/api/coach.api'
 import request from '@/utils/request'
 import { formatDateTime } from '@/utils/dateFormat'
 
@@ -256,6 +284,7 @@ const dataSource = ref<GroupCourse[]>([])
 const searchKeyword = ref('')
 const searchStatus = ref('')
 const courseTypes = ref<GroupCourseType[]>([])
+const coaches = ref<Coach[]>([])
 
 const statusMap: Record<string, { type: string; label: string }> = {
   '0': { type: 'success', label: '正常' },
@@ -279,9 +308,12 @@ const sortInfo = reactive({
 const modalVisible = ref(false)
 const modalTitle = ref('')
 const formRef = ref()
+const coachConflictWarning = ref('')
+const coachConflictChecking = ref(false)
 const formState = reactive<GroupCourse>({
   courseName: '',
   courseType: undefined,
+  coachId: undefined,
   startTime: '',
   endTime: '',
   maxMembers: 20,
@@ -342,12 +374,70 @@ const fetchCourseTypes = async () => {
   }
 }
 
+const fetchCoaches = async () => {
+  try {
+    coaches.value = await coachApi.getAll()
+  } catch {
+    // ignore
+  }
+}
+
 const getCourseTypeName = (typeId: number | undefined): string => {
   if (typeId === undefined || typeId === null) return '-'
   const type = courseTypes.value.find(t => t.id === typeId)
   return type?.typeName || String(typeId)
 }
 
+const getCoachDisplayName = (coachId: number | string | undefined): string => {
+  if (coachId === undefined || coachId === null) return ''
+  const coach = coaches.value.find(c => String(c.id) === String(coachId))
+  if (!coach) return ''
+  return coach.nickname || coach.username
+}
+
+const getComputedEndTime = (): string => {
+  if (!formState.startTime || !(formState as any).duration) return ''
+  const start = new Date(formState.startTime)
+  if (isNaN(start.getTime())) return ''
+  start.setMinutes(start.getMinutes() + (formState as any).duration)
+  const pad = (n: number) => String(n).padStart(2, '0')
+  return `${start.getFullYear()}-${pad(start.getMonth() + 1)}-${pad(start.getDate())}T${pad(start.getHours())}:${pad(start.getMinutes())}:${pad(start.getSeconds())}`
+}
+
+const checkCoachConflict = async () => {
+  const coachId = formState.coachId
+  const startTime = formState.startTime
+  const durationVal = (formState as any).duration
+  if (!coachId || !startTime || !durationVal) {
+    coachConflictWarning.value = ''
+    return
+  }
+  const endTime = getComputedEndTime()
+  if (!endTime) {
+    coachConflictWarning.value = ''
+    return
+  }
+  coachConflictChecking.value = true
+  try {
+    const res = await groupCourseApi.checkCoachConflict({
+      coachId,
+      startTime,
+      endTime,
+      excludeCourseId: formState.id,
+    })
+    if ((res as any).hasConflict && (res as any).conflicts?.length > 0) {
+      const names = (res as any).conflicts.map((c: any) => c.courseName || '未知课程').join('、')
+      coachConflictWarning.value = `该教练在此时间段已有团课：${names}`
+    } else {
+      coachConflictWarning.value = ''
+    }
+  } catch {
+    coachConflictWarning.value = ''
+  } finally {
+    coachConflictChecking.value = false
+  }
+}
+
 const fetchData = async () => {
   loading.value = true
   try {
@@ -522,12 +612,25 @@ const loadCoverPreview = async (val: string) => {
 // Watch coverImage changes to auto-load preview (e.g. when editing an existing course)
 watch(() => formState.coverImage, (val) => loadCoverPreview(val || ''), { immediate: true })
 
+// 监听教练选择和时间变化，检查冲突
+watch(() => [formState.coachId, formState.startTime, (formState as any).duration] as const, () => {
+  checkCoachConflict()
+}, { deep: false })
+
+// 打开弹窗时清除冲突提示
+watch(modalVisible, (val) => {
+  if (val) {
+    coachConflictWarning.value = ''
+  }
+})
+
 const handleAdd = () => {
   modalTitle.value = '新增团课'
   Object.assign(formState, {
     id: undefined,
     courseName: '',
     courseType: undefined,
+    coachId: undefined,
     startTime: '',
     endTime: '',
     maxMembers: 20,
@@ -591,12 +694,35 @@ const handleModalOk = async () => {
   try {
     await formRef.value.validate()
     // Auto-calculate endTime from startTime + duration
-    if (formState.startTime && formState.duration) {
+    if (formState.startTime && (formState as any).duration) {
       const start = new Date(formState.startTime)
-      start.setMinutes(start.getMinutes() + formState.duration)
+      start.setMinutes(start.getMinutes() + (formState as any).duration)
       const pad = (n: number) => String(n).padStart(2, '0')
       formState.endTime = `${start.getFullYear()}-${pad(start.getMonth() + 1)}-${pad(start.getDate())}T${pad(start.getHours())}:${pad(start.getMinutes())}:${pad(start.getSeconds())}`
     }
+    // 最终教练冲突检查
+    if (formState.coachId && formState.startTime && formState.endTime) {
+      try {
+        const res = await groupCourseApi.checkCoachConflict({
+          coachId: formState.coachId,
+          startTime: formState.startTime,
+          endTime: formState.endTime,
+          excludeCourseId: formState.id,
+        })
+        if ((res as any).hasConflict && (res as any).conflicts?.length > 0) {
+          const names = (res as any).conflicts.map((c: any) => c.courseName || '未知课程').join('、')
+          await ElMessageBox.confirm(
+            `该教练在此时间段已有团课：${names}，确定继续吗？`,
+            '时间冲突警告',
+            { confirmButtonText: '继续保存', cancelButtonText: '取消', type: 'warning' }
+          )
+          // 用户点击了"继续保存"，继续执行
+        }
+      } catch (e) {
+        // 用户取消了冲突确认对话框，中止保存
+        return
+      }
+    }
     if (formState.id) {
       await groupCourseApi.update(formState.id, formState)
     } else {
@@ -612,8 +738,8 @@ const handleModalOk = async () => {
   }
 }
 
-onMounted(() => {
-  fetchCourseTypes()
+onMounted(async () => {
+  await Promise.all([fetchCourseTypes(), fetchCoaches()])
   fetchData()
 })
 </script>

gym-manage-web/src/views/system/CoachManagement.vue

@@ -0,0 +1,356 @@
+<template>
+  <div class="coach-management">
+    <el-card>
+      <template #header>
+        <div class="card-header">
+          <div class="search-section">
+            <el-input
+              v-model="searchKeyword"
+              placeholder="搜索教练用户名或昵称"
+              clearable
+              style="width: 300px"
+              @clear="handleSearch"
+              @keyup.enter="handleSearch"
+            >
+              <template #prefix>
+                <el-icon><Search /></el-icon>
+              </template>
+            </el-input>
+            <el-button type="primary" @click="handleSearch">
+              搜索
+            </el-button>
+          </div>
+          <el-button type="primary" @click="handleAdd">
+            新增教练
+          </el-button>
+        </div>
+      </template>
+
+      <el-table v-loading="loading" :data="filteredData" style="width: 100%">
+        <el-table-column prop="username" label="用户名" />
+        <el-table-column prop="nickname" label="昵称" />
+        <el-table-column prop="email" label="邮箱" />
+        <el-table-column prop="phone" label="手机号" />
+        <el-table-column label="状态" width="100">
+          <template #default="{ row }">
+            <el-tag
+              :type="row.status === 1 ? 'success' : 'danger'"
+              effect="dark"
+            >
+              {{ row.status === 1 ? '正常' : '禁用' }}
+            </el-tag>
+          </template>
+        </el-table-column>
+        <el-table-column prop="createdAt" label="创建时间">
+          <template #default="{ row }">
+            {{ formatDateTime(row.createdAt) }}
+          </template>
+        </el-table-column>
+        <el-table-column label="操作" width="300">
+          <template #default="{ row }">
+            <el-button type="primary" link @click="handleEdit(row)">
+              编辑
+            </el-button>
+            <el-button type="info" link @click="handleViewCourses(row)">
+              查看团课
+            </el-button>
+            <el-button
+              v-if="row.status === 1"
+              type="danger"
+              link
+              @click="handleDisable(row)"
+            >
+              禁用
+            </el-button>
+          </template>
+        </el-table-column>
+      </el-table>
+    </el-card>
+
+    <!-- 新增/编辑教练弹窗 -->
+    <el-dialog
+      v-model="modalVisible"
+      :title="modalTitle"
+      width="500px"
+    >
+      <el-form
+        ref="formRef"
+        :model="formState"
+        :rules="formRules"
+        label-width="80px"
+      >
+        <el-form-item label="用户名" prop="username" required>
+          <el-input v-model="formState.username" :disabled="!!formState.id" />
+        </el-form-item>
+        <el-form-item v-if="!formState.id" label="密码" prop="password" required>
+          <el-input v-model="formState.password" type="password" show-password />
+        </el-form-item>
+        <el-form-item label="昵称">
+          <el-input v-model="formState.nickname" />
+        </el-form-item>
+        <el-form-item label="邮箱">
+          <el-input v-model="formState.email" />
+        </el-form-item>
+        <el-form-item label="手机号">
+          <el-input v-model="formState.phone" />
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="handleModalCancel">取消</el-button>
+        <el-button type="primary" @click="handleModalOk">确定</el-button>
+      </template>
+    </el-dialog>
+
+    <!-- 查看团课弹窗 -->
+    <el-dialog
+      v-model="coursesDialogVisible"
+      :title="'教练团课 - ' + selectedCoachName"
+      width="900px"
+    >
+      <el-table v-loading="coursesLoading" :data="coachCourses" style="width: 100%" max-height="400">
+        <el-table-column prop="id" label="ID" width="60" />
+        <el-table-column prop="courseName" label="课程名称" />
+        <el-table-column label="状态" width="100">
+          <template #default="{ row }">
+            <el-tag :type="getCourseStatusTag(row.status)" effect="dark">
+              {{ getCourseStatusText(row.status) }}
+            </el-tag>
+          </template>
+        </el-table-column>
+        <el-table-column label="开课时间" width="180">
+          <template #default="{ row }">
+            {{ formatDateTime(row.startTime) }}
+          </template>
+        </el-table-column>
+        <el-table-column label="结课时间" width="180">
+          <template #default="{ row }">
+            {{ formatDateTime(row.endTime) }}
+          </template>
+        </el-table-column>
+        <el-table-column label="预约人数" width="100">
+          <template #default="{ row }">
+            {{ row.currentMembers }} / {{ row.maxMembers }}
+          </template>
+        </el-table-column>
+        <el-table-column prop="location" label="上课地点" />
+      </el-table>
+      <template #footer>
+        <el-button @click="coursesDialogVisible = false">关闭</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, reactive, computed, onMounted } from 'vue'
+import { ElMessage, ElMessageBox } from 'element-plus'
+import { Search } from '@element-plus/icons-vue'
+import { coachApi, type Coach, type CoachCreateRequest, type CoachUpdateRequest, type GroupCourse } from '@/api/coach.api'
+import { handleApiError } from '@/utils/errorHandler'
+import { formatDateTime } from '@/utils/dateFormat'
+
+const loading = ref(false)
+const dataSource = ref<Coach[]>([])
+const searchKeyword = ref('')
+
+const filteredData = computed(() => {
+  if (!searchKeyword.value) return dataSource.value
+  const keyword = searchKeyword.value.toLowerCase()
+  return dataSource.value.filter(
+    (c) =>
+      c.username.toLowerCase().includes(keyword) ||
+      c.nickname.toLowerCase().includes(keyword) ||
+      c.email.toLowerCase().includes(keyword)
+  )
+})
+
+// 新增/编辑表单
+const modalVisible = ref(false)
+const modalTitle = ref('')
+const formRef = ref()
+const formState = reactive<CoachCreateRequest & { id?: string }>({
+  username: '',
+  password: '',
+  nickname: '',
+  email: '',
+  phone: '',
+})
+
+const formRules = {
+  username: [
+    { required: true, message: '请输入用户名', trigger: 'blur' },
+    { min: 3, max: 50, message: '用户名长度在 3 到 50 个字符', trigger: 'blur' },
+    { pattern: /^[a-zA-Z0-9_-]+$/, message: '用户名只能包含字母、数字、下划线和横线', trigger: 'blur' },
+  ],
+  password: [
+    { required: true, message: '请输入密码', trigger: 'blur' },
+    { min: 8, max: 20, message: '密码长度在 8 到 20 个字符', trigger: 'blur' },
+    { pattern: /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d).+$/, message: '密码必须包含大小写字母和数字', trigger: 'blur' },
+  ],
+  email: [
+    { required: true, message: '请输入邮箱', trigger: 'blur' },
+    { type: 'email', message: '请输入正确的邮箱地址', trigger: 'blur' },
+  ],
+  phone: [
+    { required: true, message: '请输入手机号', trigger: 'blur' },
+    { pattern: /^1[3-9]\d{9}$/, message: '请输入正确的手机号码', trigger: 'blur' },
+  ],
+}
+
+// 团课查看
+const coursesDialogVisible = ref(false)
+const coursesLoading = ref(false)
+const coachCourses = ref<GroupCourse[]>([])
+const selectedCoachName = ref('')
+
+// 团课状态映射
+const courseStatusMap: Record<number, { text: string; tag: string }> = {
+  0: { text: '正常', tag: 'success' },
+  1: { text: '已取消', tag: 'info' },
+  2: { text: '已结束', tag: 'warning' },
+  3: { text: '进行中', tag: 'danger' },
+  4: { text: '超时', tag: 'info' },
+}
+
+function getCourseStatusText(status: number) {
+  return courseStatusMap[status]?.text || '未知'
+}
+
+function getCourseStatusTag(status: number) {
+  return courseStatusMap[status]?.tag || 'info'
+}
+
+const fetchData = async () => {
+  loading.value = true
+  try {
+    dataSource.value = await coachApi.getAll()
+  } catch (error) {
+    handleApiError(error)
+  } finally {
+    loading.value = false
+  }
+}
+
+const handleSearch = () => {
+  // 前端过滤，无需重新请求
+}
+
+const handleAdd = () => {
+  modalTitle.value = '新增教练'
+  Object.assign(formState, {
+    id: undefined,
+    username: '',
+    password: '',
+    nickname: '',
+    email: '',
+    phone: '',
+  })
+  modalVisible.value = true
+}
+
+const handleEdit = (row: Coach) => {
+  modalTitle.value = '编辑教练'
+  Object.assign(formState, {
+    id: row.id,
+    username: row.username,
+    nickname: row.nickname,
+    email: row.email,
+    phone: row.phone,
+  })
+  modalVisible.value = true
+}
+
+const handleDisable = async (row: Coach) => {
+  try {
+    await ElMessageBox.confirm(
+      `确定要禁用教练「${row.nickname || row.username}」吗？\n\n禁用后：\n1. 该教练正在进行中的团课不会被影响\n2. 该教练非进行中的团课将被自动取消\n3. 该教练将无法再被关联到团课`,
+      '禁用教练确认',
+      {
+        confirmButtonText: '确定禁用',
+        cancelButtonText: '取消',
+        type: 'warning',
+        dangerouslyUseHTMLString: false,
+      }
+    )
+    await coachApi.disable(row.id)
+    ElMessage.success('教练已禁用')
+    fetchData()
+  } catch (error: any) {
+    if (error !== 'cancel') {
+      handleApiError(error)
+    }
+  }
+}
+
+const handleModalOk = async () => {
+  if (!formRef.value) return
+
+  try {
+    await formRef.value.validate()
+
+    if (formState.id) {
+      const updateData: CoachUpdateRequest = {
+        nickname: formState.nickname,
+        email: formState.email,
+        phone: formState.phone,
+      }
+      await coachApi.update(formState.id, updateData)
+      ElMessage.success('更新成功')
+    } else {
+      const createData: CoachCreateRequest = {
+        username: formState.username,
+        password: formState.password,
+        nickname: formState.nickname,
+        email: formState.email,
+        phone: formState.phone,
+      }
+      await coachApi.create(createData)
+      ElMessage.success('创建成功')
+    }
+    modalVisible.value = false
+    fetchData()
+  } catch (error) {
+    if (error !== 'cancel') {
+      handleApiError(error)
+    }
+  }
+}
+
+const handleModalCancel = () => {
+  modalVisible.value = false
+}
+
+const handleViewCourses = async (row: Coach) => {
+  selectedCoachName.value = row.nickname || row.username
+  coursesDialogVisible.value = true
+  coursesLoading.value = true
+  try {
+    coachCourses.value = await coachApi.getCourses(row.id)
+  } catch (error) {
+    handleApiError(error)
+  } finally {
+    coursesLoading.value = false
+  }
+}
+
+onMounted(() => {
+  fetchData()
+})
+</script>
+
+<style scoped lang="css">
+.coach-management {
+  .card-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    gap: 16px;
+
+    .search-section {
+      display: flex;
+      gap: 8px;
+      align-items: center;
+    }
+  }
+}
+</style>