导航栏----个人中心 Dropdown

1.用户信息

代码案例：

 

<template>
  <div class="user-info">
<el-dropdown>
    <span class="el-dropdown-link">
    <el-avatar src="https://cube.elemecdn.com/0/88/03b0d39583f48206768a7534e55bcpng.png"/>
      <span>{
   {name}}</span>
      <el-icon class="el-icon--right">
        <arrow-down />
      </el-icon>
    </span>
    <template #dropdown>
      <el-dropdown-menu>
        <el-dropdown-item>退出登录</el-dropdown-item>
        <el-dropdown-item> 用户信息</el-dropdown-item>
        <el-dropdown-item>系统管理</el-dropdown-item>
      </el-dropdown-menu>
    </template>
  </el-dropdown>
  </div>
</template>
<script lang="ts">
import { defineComponent,computed } from 'vue'
import { ArrowDown} from '@element-plus/icons-vue'
import {useStore} from '@/store'
export default defineComponent({
   components:{
    ArrowDown
  },
  setup () {
    //拿到useStore
    const store=useStore()
    const name=computed(()=>{
    store.state.login.UserInfo.name  //用户名称
    //  store.state.login.UserInfo.url   //用户头像
    })
    return {
      name,
    }
  }
})
</script>