FE_exam/src/layouts/navbar/index.vue

<template>
  <div>
    <div class="flex-1">
      <div class="logo">
        <img width="30" src="@/assets/images/logo.png" alt="">
        <span>理论考试系统</span>
      </div>
      <el-menu :default-active="active" :default-openeds="['ques', 'testPaper']" background-color="#001529"
        text-color="#fff" active-text-color="#fff" :collapse-transition="false" @select="menuSelect">
        <template v-for="item in menus">
          <template v-if="item.subs">
            <el-submenu :index="item.index" :key="item.index">
              <template slot="title">
                <!-- <img class="icon" :src="require('@/assets/images/' + item.icon + '.png')" alt=""> -->
                <span slot="title">{{ item.title }}</span>
              </template>
              <template v-for="subItem in item.subs">
                <el-submenu v-if="subItem.subs" :index="subItem.index" :key="subItem.index">
                  <template slot="title">{{ subItem.title }}</template>
                  <el-menu-item v-for="(threeItem, i) in subItem.subs" :key="i" :index="threeItem.index">{{
                    threeItem.title
                  }}</el-menu-item>
                </el-submenu>
                <el-menu-item v-else :index="subItem.index" :key="subItem.index">{{ subItem.title }}</el-menu-item>
              </template>
            </el-submenu>
          </template>
          <template v-else>
            <el-menu-item :index="item.index" :key="item.index">
              <!-- <img class="icon" :src="require('@/assets/images/' + item.icon + '.png')" alt=""> -->
              <span slot="title">{{ item.title }}</span>
            </el-menu-item>
          </template>
        </template>
      </el-menu>
    </div>
  </div>
</template>

<script>
import { mapState, mapActions } from 'vuex'
import Setting from '@/setting'
export default {
  data () {
    return {
      active: this.$route.path,
      siteActive: '/column',
      menus: [],
      defaultMenus: [
        // {
        //   icon: 'site',
        //   index: '/site/list',
        //   title: '首页'
        // },
        {
          icon: 'user',
          index: 'ques',
          title: '题库管理',
          subs: [
            {
              index: '/quesBankType',
              title: '中台题库分类'
            },
            {
              index: '/quesBank',
              title: '中台题库'
            },
          ]
        },
        {
          icon: 'annex',
          index: 'testPaper',
          title: '试卷管理',
          subs: [
            {
              index: '/testPaperLibraryType',
              title: '中台试卷库分类'
            },
            {
              index: '/testPaperLibrary',
              title: '中台试卷库'
            },
          ]
        }
      ],
    };
  },
  computed: {
    ...mapState('auth', [
      'btns'
    ])
  },
  created () {
    this.initMenu()
  },
  methods: {
    ...mapActions('user', [
      'logout'
    ]),
    // 菜单选择
    menuSelect (index) {
      this.collapse = false
      // 用户管理只需展开导航，其他的则跳转
      if (index.includes('/')) {
        this.$router.push(index)
      } else {
        this.active = '/user/list'
        this.$router.push('/user/list')
      }
    },
    // 初始化菜单
    initMenu () {
      // 如果开启了动态路由，则取store里的路由匹配
      if (Setting.dynamicRoute) {
        const { btns } = this
        const menus = []
        this.defaultMenus.map(e => {
          if (btns.find(n => n.includes(e.index) || n === e.title)) {
            // 匹配子菜单
            if (e.subs && e.subs.length) {
              const children = []
              e.subs.map((j, i) => {
                btns.find(n => n.includes(j.index)) && children.push(j)
              })
              e.subs = children
            }
            menus.push(e)
          }
        })
        this.menus = menus
      } else {
        this.menus = this.defaultMenus
      }
    }
  }
};
</script>

<style lang="scss" scoped>
.nav {
  height: 100%;
  background-color: #001529;
  box-shadow: 2px 0px 6px 0px rgba(92, 111, 130, 0.35);
  overflow: auto;

  .logo {
    display: flex;
    align-items: center;
    padding-left: 28px;
    margin: 15px 0 26px;
    font-size: 16px;
    color: #fff;

    img {
      margin-right: 8px;
    }
  }

  /deep/.el-menu {
    border-right: 0 !important;

    .icon {
      margin: 0 11px 0 5px;
    }

    .el-menu-item {
      &.is-active {
        background-color: #2962ff !important;
      }
    }

    .el-menu .el-menu-item {
      padding-left: 50px !important;
    }
  }

  .light {
    display: flex;
    height: 100%;
    background-color: #fff;
    overflow: hidden;

    .col-wrap {
      width: 64px;
      background-color: #001529;
    }

    .logo-icon {
      width: 41px;
      margin: 16px 0 30px 7px;
    }

    .col-nav {
      text-align: center;

      li {
        padding: 25px 0;
        cursor: pointer;
      }
    }

    .name {
      margin: 17px 0 27px 15px;
      font-size: 15px;
      font-weight: 600;
      text-align: center;
      color: #333;
      line-height: 32px;
    }

    .col-menu {
      width: 192px;
    }

    /deep/.el-submenu__title {
      padding-left: 14px !important;
    }

    .icon {
      margin-left: 0;
    }
  }
}

.sidebar::-webkit-scrollbar {
  width: 0;
}

.sidebar-el-menu:not(.el-menu--collapse) {
  width: 100%;
}

.sidebar>ul {
  height: 100%;
}
</style>