dy-admin-manager/src/layout/components/Sidebar/index.vue

<template>
  <div :class="{'has-logo':showLogo}">
    <logo v-if="showLogo"
          :collapse="false" />
    <el-scrollbar wrap-class="scrollbar-wrapper">
      <el-menu :default-active="activeMenu"
               :collapse='false'
               :background-color="variables.menuBg"
               :text-color="variables.menuText"
               :unique-opened="true"
               :active-text-color="variables.menuActiveText"
               :collapse-transition="true"
               mode="vertical">
        <sidebar-item v-for="(route,index) in permission_routes"
                      :key="index"
                      :item="route"
                      :base-path="route.path" />
      </el-menu>
    </el-scrollbar>
  </div>
</template>

<script>
import { mapGetters } from 'vuex'
import Logo from './Logo'
import SidebarItem from './SidebarItem'
import variables from '@/styles/variables.scss'

export default {
  components: { SidebarItem, Logo },
  // mounted () {
  // },
  computed: {
    ...mapGetters([
      'sidebar',
      'permission_routes'
    ]),
    // routes () {
    //   return this.$router.options.routes
    // },
    activeMenu () {
      const route = this.$route
      const { meta, path } = route
      // if set path, the sidebar will highlight the path you set
      // 设置高亮的位置   
      if (meta.activeMenu) {
        return meta.activeMenu
      }
      // console.log(meta, path)
      return path
    },
    showLogo () {
      return this.$store.state.settings.sidebarLogo
    },
    variables () {
      return variables
    },
    isCollapse () {
      return false

    }
  }
}
</script>
<style lang="scss" scoped>
.el-menu-item {
  &:nth-last-child(1) {
    padding-bottom: 20px;
  }
}
</style>