用户登出操作_window.localstorage.clear()

登出操作

登录时将后端传来的用户名保存在localStorage

 localStorage.setItem('username',res.data.username)
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在前端登出

logout(){
//全清  不建议使用
//window.localStorage.clear()

//只清除username
localStorage.removeItem('username')
  this.username = '';
  this.$router.push('/login')
}, 

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dome

<template>
<div class="home-container">
  
      <div v-if="username!=''"> 欢迎您：{{ username }}</div>
    
     
      <el-button type="info" @click="logout">退出</el-button>
     </div>
  
</template>

<script>
export default {
  data(){
    return{
      username:'',

    }
  },
  mounted() {
    let uname = localStorage.getItem('username')

    //说明未登录或已经登出

    if(uname==null){
      this.username = ''
    }else{
      this.username = uname
    }
  },
  created(){
    
  },
  methods:{

    logout(){
      //全清
      // window.localStorage.clear()
      localStorage.removeItem('username')
      this.$router.push('/login')
    }, 

    
  }
}
</script>
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