添加缓存

src/layout/index.vue

 <template>
   <div>
-    <router-view></router-view>
+    <keep-alive>
+      <router-view v-if="$route.meta && $route.meta.keepAlive"></router-view>
+    </keep-alive>
+    <router-view v-if="!($route.meta && $route.meta.keepAlive)"></router-view>
   </div>
 </template>
 

src/router/modules/charge-query.js

@@ -8,7 +8,10 @@ export default {
     {
       path:'',
       name: "chargeQueryIndex",
-      component: () => import(/* webpackChunkName: "chargeQuery" */"@/views/charge-query/index.vue")
+      component: () => import(/* webpackChunkName: "chargeQuery" */"@/views/charge-query/index.vue"),
+      meta:{
+        keepAlive:true
+      }
     },
     {
       path: "detail",