vuex_demo1/src/App.vue

@@ -4,21 +4,17 @@
     <my-add></my-add>
     <p>-----------------------------------------</p>
     <my-sub></my-sub>
-    <p>-----------------------------------------</p>
-    <box></box>
   </div>
 </template>
 
 <script>
 import add from './components/add.vue'
 import sub from "./components/sub.vue"
-import box from './components/box.vue'
 
 export default {
   components:{
     "my-add":add,
-    "my-sub":sub,
-    box
+    "my-sub":sub
   },
   data(){
     return{
@@ -30,4 +26,4 @@ export default {
 
 <style scoped>
 
-</style>
+</style>

vuex_demo1/src/components/box.vue

@@ -1,20 +0,0 @@
-<template>
-    <div>
-        这是box组件
-    </div>
-</template>
-
-<script>
-
-export default {
-    data(){
-        return{ }
-    },
-    methods:{
-
-    },
-    computed:{
-
-    }
-}
-</script>