FE_middlePlatform_server/src/components/Navbar.vue

<template>
  <div class="menus">
    <el-menu class="nav" :default-active="onRoutes" background-color="#062c87" text-color="#fff"
      active-text-color="#333" unique-opened mode="horizontal" router @select="handleSelect">
      <template v-for="item in menus">
        <template v-if="item.subs">
          <el-submenu :index="item.index" :key="item.index">
            <template slot="title">
              <!-- <i :class="item.icon"></i> -->
              <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">
            <!-- <i :class="item.icon"></i> -->
            <span slot="title">{{ item.title }}</span>
          </el-menu-item>
        </template>
      </template>
    </el-menu>
  </div>
</template>

<script>
import Setting from '@/setting'
import addRoutes from '@/libs/route/addRoutes'
export default {
  data () {
    return {
      menuList: [
        {
          icon: 'el-icon-school',
          index: '/workbench',
          title: '工作台'
        },
        {
          icon: 'el-icon-user',
          index: '/customer',
          title: '客户管理'
        },
        {
          icon: 'el-icon-shopping-bag-2',
          index: '/user',
          title: '用户管理'
        },
        {
          icon: 'el-icon-document-checked',
          index: '/order',
          title: '订单管理'
        },
        {
          icon: 'el-icon-office-building',
          index: '/system',
          title: '系统配置'
        },
      ],
      menus: [],
      onRoutes: this.$route.path
    };
  },
  watch: {
    "$route.path": function (val) {
      this.menuList.map(e => {
        if (val.replace('/', '') === e.index) {
          this.handleSelect(val.replace('/', ''))
          this.$forceUpdate();
        }
      })
    }
  },
  mounted () {
    sessionStorage.getItem('token') && this.getPer() // 登录了才获取权限
  },
  methods: {
    handleSelect (index) {
      this.onRoutes = index
      this.$store.commit('setInfoTab', '1')
      this.$store.commit('setColumnId', '')
      this.$store.commit('setCompetitionCache', null)
    },
    initMenu () {
      if (Setting.dynamicRoute) {
        this.menus = this.menuList
        return false

        const routes = this.$store.state.routes
        const menus = []
        this.menuList.map(e => {
          routes.find(n => n.path === e.index) && menus.push(e)
        })
        this.menus = menus
      } else {
        this.menus = this.menuList
      }
    },
    // 获取权限列表
    getPer () {
      this.$get(`${this.api.getUserRolesPermissionMenu}?platformId=${Setting.platformId}`).then(res => {
        const routes = res.permissionMenu[0].children
        addRoutes(routes)
        this.initMenu()
        this.$store.commit('setDataPer', res.dataPermissionList)
      }).catch(err => {
        if (err.status === 500) {
          localStorage.removeItem('ms_username');
          sessionStorage.clear()
          location.reload()
        }
      })
    },
  }
};
</script>

<style lang="scss" scoped>
.menus {
  display: flex;
  justify-content: center;
  background-color: #062c87;

  /deep/.nav {
    border-bottom: 0;

    &>.el-menu-item {
      height: 56px;
      padding: 0 30px;
      line-height: 56px;
    }

    &>.el-menu-item.is-active {
      background-color: #fff !important;
      border-bottom: 0;
    }
  }
}
</style>