历史趋势修改

src/components/echarts/MyEchart.vue

@@ -225,71 +225,11 @@ const resizeObserver = new ResizeObserver(entries => {
         }, 100)
     }
 })
-const ExportChart: any = ref(null)
-const handleExport = (arr: any) => {
-    // 使用ECharts的getOption方法获取当前图表的配置
-    const option = ExportOptions.value
-    const seriesData = option?.series
-    const xAxisList = option?.xAxis[0].data
-    if (seriesData && seriesData.length != 0) {
-        // 转换为CSV格式
-        let csvContent = '时间,'
-        const legendData = ExportOptions.value.legend.data
-        legendData.map((item: any, index: any) => {
-            index != legendData.length - 1 ? (csvContent += item.name + ',') : (csvContent += item.name + '\n')
-        })
-        let cellValue = ''
-        let list = []
-        legendData.map((item: any, index: any) => {
-            list.push('${seriesData[' + index + '].data[indexs]}')
-        })
-        console.log(seriesData[0].data.length)
-        
-        seriesData.forEach((item: any, index: any) => {
-            item.data.map((vv: any, indexs: any) => {
-                cellValue += `${xAxisList[indexs]},`
-
-                // csvContent += `${item.name},${xAxisList[index]},${vv}\n`
-                // legendData.map((kk: any, indexss: any) => {
-
-                // indexs == legendData.length - 1 ? (cellValue += `${vv}\n`) : (cellValue += `${vv},`)
-                cellValue += `${seriesData[0].data[indexs]},${seriesData[1].data[indexs]},${seriesData[2].data[indexs]}s\n`
-                // })
-                // cellValue +=list.join(',')+'\n'
-            })
-            // csvContent += cellValue + `${xAxisList[index]}` + '\n'
-        })
-        let arrs = []
-        arrs = JSON.parse(JSON.stringify(new Set(cellValue.split('s'))))
-        console.log(arrs, '0000000000')
-        Array.from(arrs).map((item:any)=>{
-            cellValue +=item+'\n'.replace('s','')
-        })
-        console.log(cellValue, '去重后的数据')
-        return
-        csvContent += cellValue
-        // return
-        // 创建Blob对象，并使用a标签下载
-        const blob = new Blob([csvContent], { type: 'text/csv;charset=utf-8;' })
-        const link = document.createElement('a')
-        if (link.download !== undefined) {
-            // 支持下载属性
-            const url = URL.createObjectURL(blob)
-            link.setAttribute('href', url)
-            link.setAttribute('download', '历史趋势.csv')
-            link.style.visibility = 'hidden'
-            document.body.appendChild(link)
-            link.click()
-            document.body.removeChild(link)
-        }
-    }
-}
 onMounted(() => {
     initChart()
-    ExportChart.value = echarts.init(chartRef.value)
     resizeObserver.observe(chartRef.value!)
 })
-defineExpose({ initChart, handleExport })
+defineExpose({ initChart })
 onBeforeUnmount(() => {
     resizeObserver.unobserve(chartRef.value!)
     chart?.dispose()