后台管理左侧菜单栏

左侧菜单处理

<template>
    <el-container>
        <el-header>
            <pug-header></pug-header>
        </el-header>
        <el-container>
            <el-aside class="pug-el-aside">
                <pug-menu></pug-menu>
            </el-aside>
            <pug-tag-list></pug-tag-list>
            <el-main class="pug-el-main">
                <div class="pugcontentbox">
                   <router-view v-slot="{Component}">
                        <transition name="fade">
                            <keep-alive>
                                <component :is="Component"></component>
                            </keep-alive>
                        </transition>
                    </router-view>
                </div>
            </el-main>
        </el-container>
    </el-container>
</template>

<script setup>
// 局部注册
import { PugHeader, PugMenu, PugTagList } from '@/layouts'

</script>


<style  scoped>

    .el-menu{border-right:none!important;}
    .el-header{
        height: 48px!important;
    }
    /*左侧菜单栏 */
    .pug-el-aside{
        width: 208px !important;
        transition: all 200ms;
        background:red;
    }

    /*主题内容区域 */
    .pug-el-main{
        position: fixed;
        right:0;
        top:90px;
        height:100vh;
        left:208px;
        padding-bottom: 120px;
        background:goldenrod;
    }

    .pug-el-main::-webkit-scrollbar{width: 0px;}

    .fade-enter-from{
        opacity: 0;
    }

    .fade-enter-to{
        opacity: 1;
    }

    .fade-leave-from{
        opacity: 1;
    }

    .fade-leave-to{
        opacity: 0;
    }

    .fade-enter-active,
    .fade-leave-active{
        transition: all 200ms;
    }

    .fade-enter-active{
        transition-delay: 200ms;
    }
</style>

折叠如何开发？

• 1: 折叠原理其实就是：把左侧菜单的宽度从 width = 208px->64px;
• 2: 内容的距离左边位置：left = 208px->64px
• 3: 折叠安装是在头部组件，但是控制目标是：菜单和内容区域

• 必须在全局状态管理中才能处理了。

状态管理折叠宽度

在src/store/modules/menu.js定义sildeWidth,如下：

state() {
    return {
        // 标签导航
        menus: [],
        // 左侧菜单
        menuList: [],
        /*选中问题 */
        cpath: "",
        /*折叠 */
        slideWidth: "208px",
        /*折叠状态控制i */
        isCollapse: false,
    }
},

mutations: {
        /*折叠方法*/
        handleSlideWidth(state) {
            state.slideWidth = state.slideWidth == "208px" ? "64px" : "208px";
            state.isCollapse = state.slideWidth == "64px";
 }

给折叠按钮绑定点击事件如下：

// 导入状态管理
import { useStore } from 'vuex';
const store = useStore();
// 折叠菜单
const handleExpand = () => {
    store.commit("menu/handleSlideWidth");
}