Vue2通用后台管理系统（5）左侧菜单栏的引入【组件化】

在src/components/Common Aside.vue中：

<template>
    <el-menu default-active="1-4-1" class="el-menu-vertical-demo" @open="handleOpen" @close="handleClose"
        :collapse="isCollapse">
        <el-submenu index="1">
            <template slot="title">
                <i class="el-icon-location"></i>
                <span slot="title">导航一</span>
            </template>
            <el-menu-item-group>
                <span slot="title">分组一</span>
                <el-menu-item index="1-1">选项1</el-menu-item>
                <el-menu-item index="1-2">选项2</el-menu-item>
            </el-menu-item-group>
            <el-menu-item-group title="分组2">
                <el-menu-item index="1-3">选项3</el-menu-item>
            </el-menu-item-group>
            <el-submenu index="1-4">
                <span slot="title">选项4</span>
                <el-menu-item index="1-4-1">选项1</el-menu-item>
            </el-submenu>
        </el-submenu>
        <el-menu-item index="2">
            <i class="el-icon-menu"></i>
            <span slot="title">导航二</span>
        </el-menu-item>
        <el-menu-item index="3" disabled>
            <i class="el-icon-document"></i>
            <span slot="title">导航三</span>
        </el-menu-item>
        <el-menu-item index="4">
            <i class="el-icon-setting"></i>
            <span slot="title">导航四</span>
        </el-menu-item>
    </el-menu>
</template>


<style>
.el-menu-vertical-demo:not(.el-menu--collapse) {
    width: 200px;
    min-height: 400px;
}
</style>

<script>
export default {
    data() {
        return {
            isCollapse: true
        };
    },
    methods: {
        handleOpen(key, keyPath) {
            console.log(key, keyPath);
        },
        handleClose(key, keyPath) {
            console.log(key, keyPath);
        }
    }
}
</script>

 在src/views/Main.vue中：

<template>
    <el-container>
        <el-aside width="200px">
            <common-aside />
        </el-aside>
        <el-container>
            <el-header>Header</el-header>
            <el-main>
                <!-- 路由出口 -->
                <!-- 路由匹配的组件渲染在这里 -->
                <router-view></router-view>
            </el-main>
        </el-container>
    </el-container>
</template>

<script>
import CommonAside from '../components/CommonAside.vue';

export default {
    data() {
        return {}
    },
    components: {
        CommonAside
    }
}
</script>

运行后效果：