vue二级路由设置方法

 <router-link to="/discover">
  <div @click="clickFind('发现')">
   <span class="icon-find"></span>
   <p>发现</p>
  </div>
  </router-link>
  <router-link to="/todayStudy">
  <div @click="clickStudy('今日学习')">
   <span class="icon-todayStudy"></span>
   <p>今日学习</p>
  </div>
  </router-link>
  <router-link to="/listenAnyWhere">
  <div @click="clickListen('随时听')">
   <span class="icon-listenAny"></span>
   <p>随时听</p>
  </div>
  </router-link>
  <router-link to="/bought">
  <div @click="clickBought('已购')">
   <span class="icon-areadyBy"></span>
   <p>已购</p>
  </div>
  </router-link>
  <router-link to="/mine">
  <div @click="clickMe">
   <span class="icon-me"></span>
   <p>我</p>
  </div>
  </router-link>
 </div>
 <router-view></router-view>

import discover from './components/discover/discover.vue'; 
import todayStudy from './components/todayStudy/study.vue'; 
import listen from './components/listenAnyWhere/listen.vue'; 
import bought from './components/bought/bought.vue'; 
import mine from './components/mine/mine.vue'; 

const routes = [ 
 { 
 path: '/', 
 redirect: '/discover' 
 }, 
 { 
 path: '/discover', 
 component: discover 
 }, 
 { 
 path: '/todayStudy', 
 component: todayStudy 
 }, 
 { 
 path: '/listenAnyWhere', 
 component: listen 
 }, 
 { 
 path: '/bought', 
 component: bought 
 }, 
 { 
 path: '/mine', 
 component: mine 
 } 
]; 

import thisMouth from './components/discover/detailEveryDay/thisMouth/thisMouth.vue'; 
import four from './components/discover/detailEveryDay/fourth/fourth.vue'; 
import three from './components/discover/detailEveryDay/three/third.vue'; 
import two from './components/discover/detailEveryDay/two/second.vue'; 
import one from './components/discover/detailEveryDay/one/first.vue'; 
import twel from './components/discover/detailEveryDay/twe/twel.vue'; 
import elev from './components/discover/detailEveryDay/elven/elev.vue'; 

const routes = [ 
 { 
 path: '/', 
 redirect: '/discover' 
 }, 
 { 
 path: '/discover', 
 component: discover, 
 <span style="color:#ff0000;">children: [ 
  { 
  path: '/', 
  component: thisMouth 
  }, 
  { 
  path: '/thisMouth', 
  component: thisMouth 
  }, 
  { 
  path: '/forthMouth', 
  component: four 
  }, 
  { 
  path: '/thirdMouth', 
  component: three 
  }, 
  { 
  path: '/secondMouth', 
  component: two 
  }, 
  { 
  path: '/firstMouth', 
  component: one 
  }, 
  { 
  path: '/elMouth', 
  component: twel 
  }, 
  { 
  path: '/twMouth', 
  component: elev 
  } 
 ]</span> 
 },