<template>
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<el-dialog
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title="历史值"
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:close-on-click-modal="false"
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width="80%"
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v-model="visible"
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>
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<el-checkbox-group v-model="selectedData" @change="refreshCharts">
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<el-checkbox
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v-for="item in dataList"
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:label="item.dataNo"
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:key="item.dataNo"
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>
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{{ item.dataName }}
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</el-checkbox>
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</el-checkbox-group>
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<div
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v-for="(chart, index) in charts"
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:key="chart.id"
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class="chart-container"
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:ref="el => chartDoms[index] = el"
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v-loading="loading"
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></div>
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</el-dialog>
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</template>
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<script lang="ts" setup>
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import { ref, reactive, nextTick } from 'vue'
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import * as echarts from 'echarts'
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import * as suggestSnapshotApi from '@/api/model/sche/suggest/suggestSnapshotRecord';
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const { message } = useMessage()
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const visible = ref(false)
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const dataList = ref([])
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const selectedData = ref([])
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const charts = ref([])
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const chartDoms = ref([])
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const chartInstances = ref([])
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const loading = ref(false)
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const open = async (id: string) => {
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visible.value = true
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await getDataList(id)
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}
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defineExpose({ open })
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/** 获取数据列表 */
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const getDataList = async (id: string) => {
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try {
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const res = await suggestSnapshotApi.getList(id)
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dataList.value = res
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selectedData.value = [] // 清空已选项
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} catch (error) {
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console.error(error)
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message.error('获取数据列表失败')
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}
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}
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/** 刷新图表 */
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const refreshCharts = async () => {
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if (selectedData.value.length === 0) {
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destroyCharts()
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charts.value = []
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return
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}
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loading.value = true
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try {
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const selectedDataList = selectedData.value.map(code =>
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dataList.value.find(d => d.dataNo === code)
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).filter(Boolean) // 过滤无效项
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const chartData = await suggestSnapshotApi.getChartList(
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selectedDataList
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)
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// const chartData = [
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// {
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// "dataNo": "F0000101228",
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// "dataList": [
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// ["2024-02-01 00:00:00", 220.1],
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// ["2024-02-01 01:00:00", 219.8],
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// ["2024-02-01 02:00:00", 220.2],
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// ["2024-02-01 03:00:00", 219.9],
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// ["2024-02-01 04:00:00", 220.5],
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// ["2024-02-01 05:00:00", 221.0],
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// ["2024-02-01 06:00:00", 220.8],
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// ["2024-02-01 07:00:00", 220.6],
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// ["2024-02-01 08:00:00", 220.3],
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// ["2024-02-01 09:00:00", 220.0]
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// ]
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// },
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// {
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// "dataNo": "F0000100152",
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// "dataList": [
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// ["2024-02-01 00:00:00", 220.1],
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// ["2024-02-01 01:00:00", 219.8],
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// ["2024-02-01 02:00:00", 220.2],
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// ["2024-02-01 03:00:00", 219.9],
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// ["2024-02-01 04:00:00", 220.5],
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// ["2024-02-01 05:00:00", 221.0],
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// ["2024-02-01 06:00:00", 220.8],
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// ["2024-02-01 07:00:00", 220.6],
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// ["2024-02-01 08:00:00", 220.3],
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// ["2024-02-01 09:00:00", 220.0]
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// ]
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// }
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// ];
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destroyCharts()
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// 生成图表配置数据
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charts.value = selectedData.value.map(code => {
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const item = dataList.value.find(d => d.dataNo === code)
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return {
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id: `chart-${code}`,
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name: item?.dataName || code,
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data: chartData.find((d: any) => d.dataNo === code)
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}
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})
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await nextTick()
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renderCharts()
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} catch (error) {
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console.error(error)
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message.error('获取图表数据失败')
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} finally {
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loading.value = false
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}
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}
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/** 销毁图表实例 */
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const destroyCharts = () => {
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chartInstances.value.forEach(instance => instance?.dispose())
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chartInstances.value = []
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}
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/** 渲染图表 */
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const renderCharts = () => {
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chartInstances.value = chartDoms.value.map((dom, index) => {
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if (!dom) return null
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const chart = echarts.init(dom)
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const chartInfo = charts.value[index]
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if (!chartInfo) return chart
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const option = {
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title: {
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text: chartInfo.name,
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textStyle: { fontSize: 14 }
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},
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tooltip: { trigger: 'axis' },
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grid: { top: 30, left: '3%', right: '5%', bottom: 20 },
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xAxis: {type: 'category'},
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yAxis: { type: 'value' },
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dataZoom: [{ type: 'inside' }],
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series: [{
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type: 'line',
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data: chartInfo.data?.dataList || [],
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lineStyle: { color: '#5B8FF9', width: 1 }
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}]
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}
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chart.setOption(option)
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return chart
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}).filter(Boolean) as echarts.ECharts[]
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}
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</script>
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<style scoped>
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.chart-container {
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height: 400px;
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margin: 20px 0;
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border: 1px solid #eee;
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border-radius: 4px;
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padding: 10px;
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}
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</style>
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