修改图表自适应

src/views/components/showmap.vue

@@ -332,9 +332,8 @@ export default {
       // this.myCharts1 = this.$echarts.init(document.getElementById('gdMaps'));
       // this.$echarts.registerMap("china1", china1, {});
       this.$echarts.registerMap("莒县", prefecture, {});
-      window.addEventListener("resize", function () {
+      window.addEventListener("resize", () => {
         this.myChart1.resize();
-        // this.myCharts1.resize();
       });
       var yMax = 0;
       for (var j = 0; j < this.mapData.length; j++) {