haiyaya/src/App.vue

<template>
  <div id="app">
    <router-view  v-if="isRouterAlive"/>
  </div>
</template>

<script>



export default {
  name: 'App',
   provide(){
    return{
      reload:this.reload
    }
  },
  data(){
    return{
      isRouterAlive:true
    }
  },
  mounted(){

  },
  methods:{
    reload () {
      this.isRouterAlive = false
      this.$nextTick(function () {
        this.isRouterAlive = true
      })
    }
  }
}
</script>

<style>
#app {
  width: 100%;
  height: 100%;
  font-family: "微软雅黑","Microsoft YaHei",Arial;
  background: #f7f7f7;

}
.ztree li span.button.add{margin-right:2px;background-position:-144px 0;vertical-align:top;*vertical-align:middle}
</style>