text: import Vue from 'vue'
  import Router from 'vue-router'
  
  // in development-env not use lazy-loading, because lazy-loading too many pages will cause webpack hot update too slow. so only in production use lazy-loading;
  // detail: https://panjiachen.github.io/vue-element-admin-site/#/lazy-loading
  
  Vue.use(Router)
  
  /* Layout */
  import Layout from '../views/layout/Layout'
  
  /**
  * hidden: true                   if `hidden:true` will not show in the sidebar(default is false)
  * alwaysShow: true               if set true, will always show the root menu, whatever its child routes length
  *                                if not set alwaysShow, only more than one route under the children
  *                                it will becomes nested mode, otherwise not show the root menu
  * redirect: noredirect           if `redirect:noredirect` will no redirect in the breadcrumb
  * name:'router-name'             the name is used by <keep-alive> (must set!!!)
  * meta : {
      title: 'title'               the name show in submenu and breadcrumb (recommend set)
      icon: 'svg-name'             the icon show in the sidebar,
    }
  **/
  export const constantRouterMap = [
    { path: '/login', component: () => import('@/views/login/index'), hidden: true },
    { path: '/', component: () => import('@/views/enterPage/index'), hidden: true },
    { path: '/404', component: () => import('@/views/404'), hidden: true },
  
    {
      path: '/',
      component: Layout,
      redirect: '/dashboard',
      name: 'Dashboard',
      hidden: true,
      children: [{
        path: 'dashboard',
        component: () => import('@/views/dashboard/index')
      }]
    },
  
    {
      path: '/example',
      component: Layout,
      redirect: '/example/table',
      name: 'Example',
      meta: { title: 'Example', icon: 'example' },
      children: [
        // {
        //   path: 'table',
        //   name: 'Table',
        //   component: () => import('@/views/table/index'),
        //   meta: { title: 'Table', icon: 'table' }
        // },
        // {
        //   path: 'tree',
        //   name: 'Tree',
        //   component: () => import('@/views/tree/index'),
        //   meta: { title: 'Tree', icon: 'tree' }
        // }
      ]
    },
  
    // {
    //   path: '/form',
    //   component: Layout,
    //   children: [
    //     {
    //       path: 'index',
    //       name: 'Form',
    //       component: () => import('@/views/form/index'),
    //       meta: { title: 'Form', icon: 'form' }
    //     }
    //   ]
    // },
  
    // {
    //   path: '/nested',
    //   component: Layout,
    //   redirect: '/nested/menu1',
    //   name: 'Nested',
    //   meta: {
    //     title: 'nested',
    //     icon: 'nested'
    //   },
    //   children: [
    //     {
    //       path: 'menu1',
    //       component: () => import('@/views/nested/menu1/index'), // Parent router-view
    //       name: 'Menu1',
    //       meta: { title: 'menu1' },
    //       children: [
    //         {
    //           path: 'menu1-1',
    //           component: () => import('@/views/nested/menu1/menu1-1'),
    //           name: 'Menu1-1',
    //           meta: { title: 'menu1-1' }
    //         },
    //         {
    //           path: 'menu1-2',
    //           component: () => import('@/views/nested/menu1/menu1-2'),
    //           name: 'Menu1-2',
    //           meta: { title: 'menu1-2' },
    //           children: [
    //             {
    //               path: 'menu1-2-1',
    //               component: () => import('@/views/nested/menu1/menu1-2/menu1-2-1'),
    //               name: 'Menu1-2-1',
    //               meta: { title: 'menu1-2-1' }
    //             },
    //             {
    //               path: 'menu1-2-2',
    //               component: () => import('@/views/nested/menu1/menu1-2/menu1-2-2'),
    //               name: 'Menu1-2-2',
    //               meta: { title: 'menu1-2-2' }
    //             }
    //           ]
    //         },
    //         {
    //           path: 'menu1-3',
    //           component: () => import('@/views/nested/menu1/menu1-3'),
    //           name: 'Menu1-3',
    //           meta: { title: 'menu1-3' }
    //         }
    //       ]
    //     },
    //     {
    //       path: 'menu2',
    //       component: () => import('@/views/nested/menu2/index'),
    //       meta: { title: 'menu2' }
    //     }
    //   ]
    // },
  
    {
      path: 'external-link',
      component: Layout,
      children: [
        {
          path: 'https://panjiachen.github.io/vue-element-admin-site/#/',
          meta: { title: 'externalLink', icon: 'link' }
        }
      ]
    },
  
    { path: '*', redirect: '/404', hidden: true }
  ]
  
  export default new Router({
    // mode: 'history', //后端支持可开
    scrollBehavior: () => ({ y: 0 }),
    routes: constantRouterMap
  })
  