优化菜单栏

src/components/Sidebar.vue

@@ -94,19 +94,29 @@ export default {
   },
   created(){
     this.key=this.$route.path
+    this.showMenu()
+  },
+  methods:{
+    showMenu(){
       this.items.map(item=>{
         if(item.children){
-        for(let item1 in item.children){
+          for(let i in item.children){
+            let item1=item.children[i]
             if(item1.key==this.key){
               this.openKey=item.key
               break
-          }else{
-            this.openKey=''
-            this.key=''
             }
           }
         }
       })
+    },
+  },
+  watch:{
+    $route(to,form){
+      // console.info(to)
+      // this.key=to.path
+      // this.showMenu()
+    }
   }
 }
 </script>