perf: 优化站点详情icon显示

device-manager-ui/admin/src/components/MapDetail.vue

@@ -157,7 +157,12 @@ export default {
     contentRender(h, params) {
       //console.log(params.extData.extData.productId)
       let value = params.extData.extData.productName;
+      try {
+        require(`../assets/images/${value}.png`);
         return <img src={require(`../assets/images/${value}.png`)} />;
+      } catch (error) {
+        return <img src={require(`../assets/images/dn.png`)} />;
+      }
     },
     getDeviceDetial() {
       //获取设备列表
@@ -165,8 +170,11 @@ export default {
     refresh(data) {
       // this.markersGroupData = data;
       //this.$refs.map.clear();
+      this.$nextTick(() => {
         let map = this.amapManager.getMap();
+        if (map) {
           map.clearMap();
+        }
 
         for (let group of data) {
           for (let item of group.deviceList) {
@@ -174,6 +182,7 @@ export default {
             this.setMarker(item);
           }
         }
+      });
     },
 
     relocate(center) {
@@ -328,6 +337,3 @@ export default {
   }
 }
 </style>
-
-
-