feat(admin): 添加用户管理相关文件

添加用户管理视图、API和状态管理文件
2026-03-28 14:37:29 +08:00
commit 08ea5fbe98
1643 changed files with 255646 additions and 0 deletions
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+class PerformanceMonitor {
+  private metrics: Map<string, number[]> = new Map()
+  private readonly MAX_SAMPLES = 100
+
+  startMeasure(operation: string): () => void {
+    const startTime = performance.now()
+    
+    return () => {
+      const endTime = performance.now()
+      const duration = endTime - startTime
+      
+      this.recordMetric(operation, duration)
+      
+      console.log(`[性能监控] ${operation}: ${duration.toFixed(2)}ms`)
+    }
+  }
+
+  recordMetric(operation: string, duration: number): void {
+    if (!this.metrics.has(operation)) {
+      this.metrics.set(operation, [])
+    }
+    
+    const samples = this.metrics.get(operation)!
+    samples.push(duration)
+    
+    if (samples.length > this.MAX_SAMPLES) {
+      samples.shift()
+    }
+  }
+
+  getAverage(operation: string): number {
+    const samples = this.metrics.get(operation)
+    if (!samples || samples.length === 0) {
+      return 0
+    }
+    
+    const sum = samples.reduce((acc, val) => acc + val, 0)
+    return sum / samples.length
+  }
+
+  getP95(operation: string): number {
+    const samples = this.metrics.get(operation)
+    if (!samples || samples.length === 0) {
+      return 0
+    }
+    
+    const sorted = [...samples].sort((a, b) => a - b)
+    const index = Math.floor(sorted.length * 0.95)
+    return sorted[index]
+  }
+
+  getP99(operation: string): number {
+    const samples = this.metrics.get(operation)
+    if (!samples || samples.length === 0) {
+      return 0
+    }
+    
+    const sorted = [...samples].sort((a, b) => a - b)
+    const index = Math.floor(sorted.length * 0.99)
+    return sorted[index]
+  }
+
+  getMax(operation: string): number {
+    const samples = this.metrics.get(operation)
+    if (!samples || samples.length === 0) {
+      return 0
+    }
+    
+    return Math.max(...samples)
+  }
+
+  getMin(operation: string): number {
+    const samples = this.metrics.get(operation)
+    if (!samples || samples.length === 0) {
+      return 0
+    }
+    
+    return Math.min(...samples)
+  }
+
+  getMetrics(): Record<string, any> {
+    const result: Record<string, any> = {}
+    
+    for (const [operation, samples] of this.metrics.entries()) {
+      result[operation] = {
+        average: this.getAverage(operation),
+        p95: this.getP95(operation),
+        p99: this.getP99(operation),
+        max: this.getMax(operation),
+        min: this.getMin(operation),
+        count: samples.length
+      }
+    }
+    
+    return result
+  }
+
+  clearMetrics(): void {
+    this.metrics.clear()
+  }
+
+  clearOperationMetrics(operation: string): void {
+    this.metrics.delete(operation)
+  }
+
+  printReport(): void {
+    console.log('========== 性能监控报告 ==========')
+    const metrics = this.getMetrics()
+    
+    for (const [operation, data] of Object.entries(metrics)) {
+      console.log(`\n${operation}:`)
+      console.log(`  平均耗时: ${data.average.toFixed(2)}ms`)
+      console.log(`  P95耗时: ${data.p95.toFixed(2)}ms`)
+      console.log(`  P99耗时: ${data.p99.toFixed(2)}ms`)
+      console.log(`  最大耗时: ${data.max.toFixed(2)}ms`)
+      console.log(`  最小耗时: ${data.min.toFixed(2)}ms`)
+      console.log(`  采样次数: ${data.count}`)
+    }
+    
+    console.log('==================================')
+  }
+}
+
+const performanceMonitor = new PerformanceMonitor()
+
+export default performanceMonitor