const router = new VueRouter({
  routes: [
    {
     path: '/',  //设置默认路由为Top250
     component: charts
    },
    {
     path: '/charts', //Top250
     component: charts
    },
    {
     path: '/hot', 
     component: hot
    },
    {
     path: '/ing',
     component: ing
    },
    {
     path: '/newmovie',
     component: newmovie
    },
  ]
 }

{
 path: '/charts/:id', //子路由
 component: charts,
 children: [
  {path: '1', component: moviecontent}, 
  {path: '2', component: moviecontent2},
  {path: '3', component: moviecontent3}
  ]
}

<router-link to="/charts/1">1</router-link>
<router-link to="/charts/2">2</router-link>
<router-link to="/charts/3">3</router-link>

<router-view></router-view>

{
 path: '/charts/:id', //子路由
 component: charts,
 children: [
  {path: '1', component: moviecontent2}, // 同一组件
  {path: '2', component: moviecontent2}, // 同一组件
  {path: '3', component: moviecontent2} // 同一组件
  ]
}

created: function () {
    //第一次进入路由时数据的更新
    this.$http.jsonp()
}，
watch: {
 '$route': 'getData' //切换路由，调用getData方法
},
methods: {
 getData: function () {
    //路由切换，重新请求数据
    this.$http.jsonp()
 }
}