fix: 优化页面销毁时对echarts实例的销毁

src/views/charts2/charts/dnsInsight/DnsEventChartByBar.vue

@@ -95,6 +95,9 @@ export default {
   },
   beforeUnmount () {
     window.removeEventListener('resize', this.resize)
+    if (this.myChart) {
+      echarts.dispose(this.myChart)
+    }
   }
 }
 </script>

src/views/charts2/charts/dnsInsight/DnsEventChartByPie.vue

@@ -147,6 +147,9 @@ export default {
   },
   beforeUnmount () {
     window.removeEventListener('resize', this.resize)
+    if (this.myChart) {
+      echarts.dispose(this.myChart)
+    }
   }
 }
 </script>

src/views/charts2/charts/dnsInsight/DnsTrafficLine.vue

@@ -567,7 +567,9 @@ export default {
   beforeUnmount () {
     clearTimeout(this.timer)
     window.removeEventListener('resize', this.resize)
-    this.myChart = null
+    if (this.myChart) {
+      echarts.dispose(this.myChart)
+    }
     this.chartOption = null
     this.unitConvert = null
   }

src/views/charts2/charts/linkMonitor/LinkTrafficLine.vue

@@ -456,7 +456,9 @@ export default {
   beforeUnmount () {
     clearTimeout(this.timer)
     window.removeEventListener('resize', this.resize)
-    this.myChart = null
+    if (this.myChart) {
+      echarts.dispose(this.myChart)
+    }
     this.chartOption = null
     this.unitConvert = null
   }

src/views/charts2/charts/networkOverview/NetworkOverviewApps.vue

@@ -734,7 +734,9 @@ export default {
     window.removeEventListener('resize', this.resize)
     clearTimeout(this.timerScroll)
     clearTimeout(this.timerSearch)
-    this.myChart = null
+    if (this.myChart) {
+      echarts.dispose(this.myChart)
+    }
     this.unitConvert = null
   }
 }

src/views/charts2/charts/networkOverview/NetworkOverviewLine.vue

@@ -703,7 +703,9 @@ export default {
     if (myChart) {
       echarts.dispose(myChart)
     }
-    this.myChart = null
+    if (this.myChart) {
+      echarts.dispose(this.myChart)
+    }
     // 检测时发现该方法占用较大内存，且未被释放
     this.unitConvert = null
     myChart = null

src/views/charts2/charts/networkOverview/NetworkOverviewPerformanceEvent.vue

@@ -193,6 +193,14 @@ export default {
   beforeUnmount () {
     clearTimeout(this.timer)
     window.removeEventListener('resize', this.resize)
+    const dom = document.getElementById('chart1')
+    const dom2 = document.getElementById('chart2')
+    if (dom) {
+      echarts.dispose(dom)
+    }
+    if (dom2) {
+      echarts.dispose(dom2)
+    }
     this.myChart = null
     this.myChart2 = null
   }

src/views/charts2/charts/npm/NpmEventsByType.vue

@@ -152,7 +152,9 @@ export default {
   },
   beforeUnmount () {
     window.removeEventListener('resize', this.resize)
-    this.myChart = null
+    if (this.myChart) {
+      echarts.dispose(this.myChart)
+    }
     this.chartOption = null
   }
 }

src/views/charts2/charts/npm/NpmLine.vue

@@ -336,7 +336,9 @@ export default {
   beforeUnmount () {
     clearTimeout(this.timer)
     window.removeEventListener('resize', this.resize)
-    this.myChart = null
+    if (this.myChart) {
+      echarts.dispose(this.myChart)
+    }
     this.chartOption = null
   }
 }

src/views/charts2/charts/npm/NpmTrafficLine.vue

@@ -633,8 +633,9 @@ export default {
   beforeUnmount () {
     clearTimeout(this.timer)
     window.removeEventListener('resize', this.resize)
-    this.myChart = null
+    if (this.myChart) {
-    this.myChart = null
+      echarts.dispose(this.myChart)
+    }
     this.unitConvert = null
   }
 }