Files
gym-manage/gym-manage-uniapp/components/memberInfo/BodyTestTrendChart.vue
T

68 lines
1.6 KiB
Vue

<template>
<view class="bt-trend">
<canvas
:id="canvasId"
:canvas-id="canvasId"
type="2d"
class="bt-trend__canvas"
:style="{ width: width + 'px', height: height + 'px' }"
/>
</view>
</template>
<script setup>
import { ref, watch, onMounted, nextTick } from 'vue'
import { drawTrendChart } from '@/common/memberInfo/bodyTestChart.js'
const props = defineProps({
points: { type: Array, default: () => [] },
unit: { type: String, default: '' },
width: { type: Number, default: 300 },
height: { type: Number, default: 160 }
})
const canvasId = ref(`bt-trend-${Math.random().toString(36).slice(2, 9)}`)
function renderChart() {
nextTick(() => {
const query = uni.createSelectorQuery().in(getCurrentInstance())
query
.select(`#${canvasId.value}`)
.fields({ node: true, size: true })
.exec((res) => {
const node = res?.[0]?.node
if (!node) return
const dpr = uni.getSystemInfoSync().pixelRatio || 1
drawTrendChart(node, {
width: props.width,
height: props.height,
points: props.points,
unit: props.unit,
dpr
})
})
})
}
watch(() => props.points, () => {
renderChart()
}, { deep: true })
onMounted(() => {
renderChart()
})
</script>
<style lang="scss">
.bt-trend {
display: flex;
align-items: center;
justify-content: center;
width: 100%;
}
.bt-trend__canvas {
display: block;
}
</style>