Vue退出登录时清空缓存的实现

<template>
  <div id="main" class="app-main">
    <router-view></router-view>
  </div>
</template>
 
<script>
  export default {
    data () {
      return {
        theme: this.$store.state.app.themeColor
      };
    },
    mounted () {
 
    },
    beforeDestroy () {
 
    },
    methods: {
 
    },
    mounted(){
      // 关闭浏览器窗口的时候清空浏览器缓存在localStorage的数据
      window.onbeforeunload = function (e) {
        var storage = window.localStorage;
        storage.clear()
      }
    }
 
 
  };
</script>
 
<style>
html,body{
  width: 100%;
  height: 100%;
  background: #f0f0f0;
  overflow: hidden;
}
.app-main{
  width: 100%;
  height: 100%;
}