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
+          console.log('res', res);
-          this.chartColumn = markRaw(echarts.init(document.getElementById('chartColumn')))
+          if (res.data.code == 0) {
-          this.chartColumn.setOption({
+            this.trendData = res.data.data
-            tooltip: {
+            this.initChart()
-              trigger: 'axis',
+          } else {
-              axisPointer: {
+            this.$message.error(res.data.msg)
-                type: 'cross',
+          }
-                crossStyle: {
+        })
-                  color: '#999'
+      },
-                }
+      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: {
+          toolbox: {
-                saveAsImage: {
+            feature: {
-                  show: true
+              saveAsImage: {
-                }
+                show: true
               }
-            },
+            }
-            legend: this.trendData.legend,
+          },
-            xAxis: this.trendData.xAxis,
+          legend: this.trendData.legend,
-            yAxis: this.trendData.yAxis,
+          xAxis: this.trendData.xAxis,
-            series: this.trendData.series
+          yAxis: this.trendData.yAxis,
-          })
+          series: this.trendData.series
         })
       }
     }