tnbapp/src/views/admin/LeftAside.vue

<template>
  <el-menu
    :default-active="this.$route.path"
    router
    class="el-menu-vertical-demo"
    background-color="#334157"
    text-color="#fff"
    active-text-color="#ffd04b"
    :unique-opened="true"
    :collapse="collapsed"
    :collapse-transition="collapseTransition"
  >
    <div class="logobox">
      <a href="/bg" style="text-decoration-line: none">
        <img class="logoimg" src="@/assets/img/logo.png" alt="">
      </a>
    </div>
    <el-submenu v-for="item in menuList" :key="item.path" :index="item.path">
      <template slot="title">
        <i :class="item.icon" />
        <span>{{ item.title }}</span>
      </template>
      <el-menu-item-group>
        <el-menu-item v-for="child in item.children" :key="child.path" :index="child.path">
          <i :class="child.icon" />
          <span slot="title">{{ child.title }}</span>
        </el-menu-item>
      </el-menu-item-group>
    </el-submenu>
  </el-menu>
</template>

<script>
import store from '@/store'

export default {
  name: 'LeftAside',
  data() {
    return {
      collapsed: false,
      collapseTransition: false,
      menuList: []
    }
  },
  created() {
    for (const route of store.getters.addRoutes) {
      if (route.path === '/bg') {
        // devops 系统
        for (const route1 of route.children) {
          this.menuList.push(route1)
        }
      } else if (route.path.startsWith('/bg/')) {
        // tnb 系统
        this.menuList.push(route)
      }
    }

    // 钩子函数
    this.$root.Bus.$on('HandleSideMenu', value => {
      this.collapsed = value
    })
  },
  methods: {
  }
}
</script>

<style>
.el-menu-vertical-demo:not(.el-menu--collapse) {
  width: 180px;
  min-height: 720px;
}

.el-menu-vertical-demo:not(.el-menu--collapse) {
  border: none;
  text-align: left;
}

.logobox {
  height: 40px;
  line-height: 40px;
  color: #9d9d9d;
  font-size: 20px;
  text-align: center;
  padding: 20px 0px;
}

.logoimg {
  height: 40px;
}
</style>