摘要：
数组=》字符串 ar authority= ['1','2']; let permission = authority.join(","); console.log(permission )//1,2 字符串=》数组 var a='1,2' a.split(',') console.log(a)// 阅读全文
摘要：
页面结构 <el-dropdown @command="handleCommand" > <span class="el-dropdown-link" ><el-avatar class="user_avatar" :src="this.$store.state.user_avatar"></el- 阅读全文