vue子路由跳转实现tab选项卡

<template>
  <div class="index-box">
    <nav>
      <h1>导航</h1>
      <!-- 所有的导航标题，进行路由跳转指向 -->
      <router-link :to="a.url" :key="index" v-for="(a,index) in Data">{{a.title}}</router-link>
    </nav>
    <div class="content">
      <!-- 路由插槽：路由跳转的位置 -->
      <router-view></router-view>
    </div>
 
  </div>
</template>
 
<script>
  import navData from "../../static/data/nav"
  export default {
    name: "Index",
    data(){
      return {
        Data:[]
      }
    },
    methods:{
      init(){
        this.Data = navData.navData;
      }
    },
    created(){
      this.init();
    }
  }
</script>
 
<style scoped>
  /* 容器 */
  .index-box{
    width: 100%;
    height: 100%;
    background: #212224;
    display: flex;
  }
  /* 左侧导航条 */
  nav{
    width: 260px;
    height: 100%;
    background: #323437;
    overflow: hidden;
    float: left;
  }
  /* 导航 */
  nav h1{
    color: #f2ffff;
    margin: 10px 0 10px 10px;
  }
  /* 导航标题 */
  nav a{
    display: block;
    width: 100%;
    height: 45px;
    color: #f2ffff;
    background: #2e3033;
    padding-left: 10px;
    line-height: 45px;
    font-size: 20px;
    margin-bottom: 10px;
  }
  /* 右侧内容 */
  .content{
    flex: 1;
    padding: 20px;
  }
</style>

import Vue from 'vue'
import Router from 'vue-router'
// 首页
import Tab from "../pages/Tab"
// 页面一
import PageOne from "../pages/PageOne"
// 页面二
import PageTwo from "../pages/PageTwo"
// 页面三
import PageThree from "../pages/PageThree"
 
Vue.use(Router);
 
export default new Router({
 routes: [
  {
    // 默认显示的页面
    path: '/',
    name: 'Tab',
    component: Tab,
    children:[
      {  
        // 子路由中默认显示的页面
        path: '',
        name: 'PageOne',
        component: PageOne
      },
      {
        path: 'PageTwo',
        name: 'PageTwo',
        component: PageTwo
      },
      {
        path: 'PageThree',
        name: 'PageThree',
        component: PageThree
      }
    ]
  }
 ]
})

import Vue from 'vue'
import Router from 'vue-router'
// import HelloWorld from '@/components/HelloWorld'
// 首页框架
import Index from "../pages/Index";
// 首页
import FunctionsIndex from "../components/Functions/FunctionsIndex";
// 数据源列表
import FunctionsDbSource from "../components/Functions/FunctionsDbSource"
// 角色管理
import FunctionsRoleManagement from "../components/Functions/FunctionsRoleManagement"
// 登录
import Login from "../pages/Login"
Vue.use(Router);
 
 
export default new Router({
 linkExactActiveClass: "act",
 mode: "history",
 routes: [
  {
   // 首页
   path: '/Index',
   name: 'Index',
   component: Index,
   children: [
    {
     // 首页中默认显示统计页面
     path: '',
     name: 'Total',
     component: FunctionsIndex
    },
    {
     path: 'DbSource',
     name: 'DbSource',
     component: FunctionsDbSource
    },
    {
     path: 'RoleManagement',
     name: 'RoleManagement',
     component: FunctionsRoleManagement
    }
   ]
  },
   // 默认显示登录页面
  {
   path: '/',
   name: 'Login',
   component: Login
  }
 ]
})

{
 "navData":[
 {
  "title":"子页一",
  "url":"/"
 },
 {
  "title":"子页二",
  "url":"/PageTwo"
 },
 {
  "title":"子页三",
  "url":"/PageThree"
 }
 ]
}

<template>
  <h1>这是子页一，默认显示</h1>
</template>
 
<script>
  export default {
    name: "PageOne"
  }
</script>
 
<style scoped>
  h1{
    color: #f2ffff;
  }
</style>