fix：地图图例，数据栏右上角切换清空选择框绑定，病害弹窗功能完善

src/views/big-screen/disease-components/disease-current.vue

@@ -2,7 +2,7 @@
  * @Author: SunTao 328867980@qq.com
  * @Date: 2024-10-18 10:19:56
  * @LastEditors: SunTao 328867980@qq.com
- * @LastEditTime: 2024-10-24 16:37:52
+ * @LastEditTime: 2024-10-29 13:43:38
  * @FilePath: \znxjxt-ui\src\views\big-screen\disease-components\disease-current.vue
  * @Description: 病害巡检-病害三维饼图
 -->
@@ -73,12 +73,15 @@ export default {
       ],
       // echart数据
       dataList: [],
+      // echart实例
+      chart: "",
     };
   },
   watch: {
     select: {
       handler(val) {
         if (val) {
+          this.itemSelect = "";
           this.getCurrentList();
           this.getChartList();
         }
@@ -132,8 +135,11 @@ export default {
     drawChart() {
       const data = this.dataList;
       if (this.$refs.currentChart) {
-        const chart = echarts.init(this.$refs.currentChart);
-        chart.setOption({
+        if (this.chart) {
+          this.chart.dispose();
+        }
+        this.chart = echarts.init(this.$refs.currentChart);
+        this.chart.setOption({
           legend: {
             show: false,
           },
@@ -193,7 +199,7 @@ export default {
           series: this.getPie3D(this.dataList, 0.8),
         });
         window.addEventListener("resize", () => {
-          chart.resize();
+          this.chart.resize();
         });
       }
     },