hy_gx/src/com/router/index.js

import Vue from 'vue';
import Router from 'vue-router';

const Index = r => require.ensure([], () => r(require('../components/index.vue')), 'Index')    //加载相应的组件
const Collection = r => require.ensure([], () => r(require('../components/collection.vue')), 'Collection')
const Knowledge = r => require.ensure([], () => r(require('../components/knowledge.vue')), 'Knowledge')
const Searchquestion = r => require.ensure([], () => r(require('../components/searchquestion.vue')), 'Searchquestion')
const Login = r => require.ensure([], () => r(require('../components/login.vue')), 'Login')

Vue.use(Router);

export default new Router({
  routes: [
    {
      path: '/',
      component: Index,  //该路由对应的组件
      children: [  //子路由
          {
            path: '/',
            component: Knowledge,
          },
           {
            path: '/searchquestion',
            component: Searchquestion,
          },
          {
            path: '/collection',
            component: Collection,
          }
      ]

    }
  ]
});