后台管理系统【home页面】

<template>
<!-- 这个Home组件会重定向到Welcome组件 -->
	<el-container class="home-container">
		<!-- A头部区域 -->
		<el-header>
			<div>
				<div class="taobao"><img src="../assets/pic3.png" alt=""></div>
				<span class="ziti">淘宝电商后台管理系统</span>
			</div>
			<el-button type="warning" @click="logout">退出</el-button>
		</el-header>

		<!-- B页面主体区域 -->
		<el-container>
			<!-- a左侧边栏  菜单区域 -->
			<el-aside :width="isCollapse?'64px':'200px'">
				<div class="toggle-button" @click="isCollapse=!isCollapse">
					<el-button type="danger"  round>|||</el-button>
				</div>
				<!-- 侧边栏菜单区  router：true开启路由模式-->
				<el-menu  
					background-color="#333744"
					text-color="#fff"
					active-text-color="#409EFF"
					:unique-opened="true"
					:collapse="isCollapse"
					:collapse-transition="false"
					:default-active="activePath"
					:router="true"
				> 
					<!-- 一级菜单 -->
					<el-submenu :index="item.id+''" v-for="item in menulist" 
                                                                 :key="item.id">
						<!-- {{item}} -->
						<!-- 一级菜单的模板区域 -->
						<template slot="title">
							 <i :class="iconsObj[item.id]"></i> <!-- item.id是iconsObj的 
                                    属性 -->
							<span>{{item.authName}}</span>
						</template>
						<!-- 二级菜单   index:唯一标志，字符串类型-->  
						<el-menu-item :index="'/'+subItem.path" v-for="subItem in 
                                                                           item.children" 
						:key="subItem.id" @click="saveNavState('/'+subItem.path)">
							<template slot="title">
								<i class="el-icon-menu"></i>
								<span>{{subItem.authName}}</span>
							</template>
						</el-menu-item>
					</el-submenu>
				</el-menu>
			</el-aside>
			<!-- b右侧内容主体 -->
			<el-main>
				<!-- 路由占位符 -->
				<router-view></router-view>
			</el-main>
		</el-container>
	</el-container>
</template>

<script>
export default {
  data(){
    return{
      //左侧菜单数据
      menulist:[],
	  iconsObj:{ //创建一个图标对象
        "125":"iconfont icon-icon_user",  //右边这个value是类名  左边key是item.id
		"103":"iconfont icon-icon_shangpinguanli_01",
		"101":"iconfont icon-icon-shangpin",
		"102":"iconfont icon-icon-danju-tianchong",
		"145":"iconfont icon-icon-baobiao-shengchantongji"
	  },
	//   是否折叠
	isCollapse:false,
	// 被激活的链接地址
	activePath:''
    }
  },
  created(){
    this.getMenuList()
	this.activePath=window.sessionStorage.getItem("activePath")
  },
	name: "Home",
	methods: {
		logout() {
			window.sessionStorage.clear();
			this.$router.push("/login");
		},

    // 获取所有的菜单
  async getMenuList(){
     const {data:res}= await this.$http.get("menus")
     if(res.meta.status!==200) return this.$message.error(res.meta.msg)
     this.menulist=res.data
      console.log(res,"=========");
    },

	// 保存链接的激活状态
	saveNavState(activePath){
       window.sessionStorage.setItem("activePath",activePath) 
	   this.activePath=activePath
	}

	},
};
</script>

<style lang="less" scoped>
.el-header {
	background-color: #373d41;
	display: flex;
	justify-content: space-between;
	padding-left: 0;
	align-items: center;
	color: #fff;
	font-size: 20px;
	> div {
		display: flex;
		align-items: center;
		span {
			margin-left: 15px;
		}
	}
}
.el-aside {
	background-color: #333744;
	.el-menu{
		border-right: none;
	}
}
.el-main {
	background-color: #eaedf1;
}
.home-container {
	height: 100%;
}
.iconfont{
	margin-right: 10px;
}
.toggle-button{
	background-color: #4A5064;
	font-size: 9px;
	line-height: 24px;
	color: #fff;
	text-align: center;
	letter-spacing: 0.2em;
	cursor: pointer;
}
.taobao img{
	border-radius: 35%;
}
.ziti{
	font-size: 30px;
	font-weight: bold;
	background:linear-gradient(to right,yellow,skyblue);
	background-clip:text;
	color: transparent;
}
// body{
//   background-color: yellow;
//   color: yellow;
// }
</style>