nuxtProject/components/header.vue

<template>
  <nav class="client-head">
    <div class="client-container head-layout">
      <div class="head-left">
        <a :href="`${baseUrl}`" class="client-head-img"></a>
        <div @click="navChange">
          <el-menu
            :default-active="activeNav"
            :class="navClass"
            mode="horizontal"
            :router="false"
          >
            <template v-for="(item,index) in headerArr">
              <el-submenu :index="`${item.keyPath}`" v-if="item.children && item.children.length > 0"
                          popper-class="mta-menu-two">
                <template slot="title">{{item.content}}</template>
                <el-menu-item :index="`${child.keyPath}`" v-for="child of item.children"
                              :key="child.keyPath">
                  <mtaLink :path="child.keyPath" :instation="true" :content="child.content"></mtaLink>
                </el-menu-item>
              </el-submenu>

              <el-menu-item :index="`${item.keyPath}`" v-else>
                <mtaLink :path="item.keyPath" :instation="true" :content="item.content"></mtaLink>
              </el-menu-item>
            </template>
          </el-menu>
        </div>

        <a class="phone-tel-box mta-hidden-sm" href="tel:400-052-2130">咨询电话：400-052-2130</a>
        <!-- 手机按钮 -->
        <div class="phone-nav-btn mta-hidden-sm" @click="changeHeadNav"></div>
      </div>
      <div class="head-right mta-hidden-xs">
        <a @click="xtTyBtn">系统体验中心</a>
      </div>
    </div>
  </nav>
</template>

<script>
  import mtaLink        from '~/components/mtaLink/index';
  import { mapGetters } from 'vuex';

  let _ = require('lodash');
  export default {
    name:       'mtaHeader',
    components: {
      mtaLink,
    },
    computed: {
      activeNav() {
        return this.getActiveNav;
      },
      baseUrl() {
        return this.getBaseUrl;
      },
      ...mapGetters(['getActiveNav','getBaseUrl'])
    },
    data() {
      return {
        navClass:'head-nav-up',
        headerArr:   [
          {
            content: '首页',
            keyPath: '/',
          },
          {
            content:  '考试系统',
            keyPath:  '/examsystem',
            children: [],
          },
          {
            content:  '培训系统',
            keyPath:  '/trainsystem',
            children: [],
          },
       /*   {
            content:  '课程资源',
            keyPath:  '/resources',
            children: [],
          },*/
          {
            content:  '课程开发',
            keyPath:  '/courseware',
            children: [],
          },
          {
            content:  '课程资源',
            keyPath:  '/courseResource',
            children: [],
          },
          {
            content:  '新闻资讯',
            keyPath:  '/news',
            children: [],
          },
          /*      {
                  content:  '帮助中心',
                  keyPath:  '/helpCenter',
                  children: [],
                },*/
          {
            content:  '关于我们',
            keyPath:  '/introduction',
            children: [],
          },

        ],
      };
    },
    methods:{
      // 点击按钮菜单变化
      changeHeadNav(){
          if(this.navClass ==='head-nav-up' ){
              this.navClass = 'head-nav-down'
          }else{
            this.navClass = 'head-nav-up'
        }
      },
      navChange(){
        this.navClass = 'head-nav-up'
      },
      // 系统体验中心
      xtTyBtn(){
        this.$router.push({ name: 'tiyanCenter' });
      },
    },
  };
</script>