趋势图问题修复

src/views/sound/road/trend/index.vue

@@ -114,30 +114,39 @@
       // 趋势图
       drawTrend() {
         getTrendChart(this.queryParams).then( res => {
-          this.trendData = res.data.data
-          this.chartColumn = markRaw(echarts.init(document.getElementById('chartColumn')))
-          this.chartColumn.setOption({
-            tooltip: {
-              trigger: 'axis',
-              axisPointer: {
-                type: 'cross',
-                crossStyle: {
-                  color: '#999'
-                }
+          console.log('res', res);
+          if (res.data.code == 0) {
+            this.trendData = res.data.data
+            this.initChart()
+          } else {
+            this.$message.error(res.data.msg)
+          }
+        })
+      },
+      initChart() {
+        echarts.init(document.getElementById("chartColumn")).dispose();
+        this.chartColumn = markRaw(echarts.init(document.getElementById('chartColumn')))
+        this.chartColumn.setOption({
+          tooltip: {
+            trigger: 'axis',
+            axisPointer: {
+              type: 'cross',
+              crossStyle: {
+                color: '#999'
               }
-            },
-            toolbox: {
-              feature: {
-                saveAsImage: {
-                  show: true
-                }
+            }
+          },
+          toolbox: {
+            feature: {
+              saveAsImage: {
+                show: true
               }
-            },
-            legend: this.trendData.legend,
-            xAxis: this.trendData.xAxis,
-            yAxis: this.trendData.yAxis,
-            series: this.trendData.series
-          })
+            }
+          },
+          legend: this.trendData.legend,
+          xAxis: this.trendData.xAxis,
+          yAxis: this.trendData.yAxis,
+          series: this.trendData.series
         })
       }
     }