优化地区组件

src/views/learning/item-list.vue

@@ -250,17 +250,19 @@ export default {
         lazy: true,
         lazyLoad(node, resolve) {
           const { level } = node;
-          if (node.level >= 1) {
-            console.log("node", node);
+          // console.log("node props", node);
+          if (node.level >= 1 && node.loaded === false && node.children.length == 0) {
             let req = {
               projectId: vm.projectId,
               regionId: node.data.value
             };
             vm.GET("stats/region", req).then(res => {
               let newData = vm.setRegionOptionMore(res.data.list);
-              console.log("newData", newData);
+              // console.log("newData", newData);
               resolve(newData);
             });
+          } else {
+            resolve()
           }
         }
       },
@@ -451,9 +453,6 @@ export default {
       let areaArr = value[value.length -1].split('_');
       vm.areaLen = areaArr.length;
       // console.log('areaArr!!',areaArr);
-      
-      let node =this.$refs.cascaderRegion.getCheckedNodes()[0];
-      console.log('node',node)
 
       if (areaArr.length >= 3) {
         this.getOrganizationList();
@@ -461,6 +460,30 @@ export default {
       } else {
         this.organizationNotice = "选择地区筛选到区才能选择机构";
       }
+
+      //添加子节点
+      let node =this.$refs.cascaderRegion.getCheckedNodes()[0];
+      console.log('node change',node)
+      if(node.data && node.data.id && node.hasChildren === true && node.loaded === false) {
+        let req = {
+          projectId: vm.projectId,
+          regionId: node.data.value
+        };
+        vm.GET("stats/region", req).then(res => {
+          let newData = vm.setRegionOptionMore(res.data.list);
+          vm.searchNode(vm.optionsRegion, node.data.id, newData);
+        });
+      }
+    },
+    searchNode(val,id,data){
+      val.map(item=>{
+          if(item.id===id){
+              vm.$set(item,'children',data)
+          }else if(item.children&&item.children.length){
+              return vm.searchNode(item.children,id,data)
+          }
+          return item
+      })
     },
     setRegionOptionMore(data) {
       let option = [];