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: '/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: '/teacher',
      component: Layout,
      redirect: '/teacher/table',
      name: '讲师管理',
      meta: { title: '讲师管理', icon: 'example' },
      children: [
        {
          path: 'table',
          name: '讲师列表',
          component: () => import('@/views/edu/teacher/list'),
          meta: { title: '讲师列表', icon: 'table' }
        },
        {
          path: 'save',
          name: '添加讲师',
          component: () => import('@/views/edu/teacher/save'),
          meta: { title: '添加讲师', icon: 'tree' }
        },
        {
          path: 'edit/:id',
          name: '编辑讲师',
          component: () => import('@/views/edu/teacher/save'),
          meta: { title: '编辑讲师', noCache: true },
          hidden: true
        }
      ]
    },
  
    {
      path: '/subject',
      component: Layout,
      redirect: '/subject/list',
      name: '课程分类管理',
      meta: { title: '课程分类管理', icon: 'example' },
      children: [
        {
          path: 'list',
          name: '课程分类列表',
          component: () => import('@/views/edu/subject/list'),
          meta: { title: '课程分类列表', icon: 'table' }
        },
        {
          path: 'save',
          name: '添加课程分类',
          component: () => import('@/views/edu/subject/save'),
          meta: { title: '添加课程分类', icon: 'tree' }
        }
      ]
    },
  
    {
      path: '/course',
      component: Layout,
      redirect: '/course/list',
      name: '课程管理',
      meta: { title: '课程管理', icon: 'example' },
      children: [
        {
          path: 'list',
          name: '课程列表',
          component: () => import('@/views/edu/course/list'),
          meta: { title: '课程列表', icon: 'table' }
        },
        {
          path: 'info',
          name: '添加课程',
          component: () => import('@/views/edu/course/info'),
          meta: { title: '添加课程', icon: 'tree' }
        },
        {
          path: 'info/:id',
          name: 'EduCourseInfoEdit',
          component: () => import('@/views/edu/course/info'),
          meta: { title: '编辑课程基本信息', noCache: true },
          hidden: true
        },
        {
          path: 'chapter/:id',
          name: 'EduCourseChapterEdit',
          component: () => import('@/views/edu/course/chapter'),
          meta: { title: '编辑课程大纲', noCache: true },
          hidden: true
        },
        {
          path: 'publish/:id',
          name: 'EduCoursePublishEdit',
          component: () => import('@/views/edu/course/publish'),
          meta: { title: '发布课程', noCache: true },
          hidden: true
        }
      ]
    },
  
    {
      path: '/sta',
      component: Layout,
      redirect: '/sta/create',
      name: '统计分析',
      meta: { title: '统计分析', icon: 'example' },
      children: [
        {
          path: 'create',
          name: '生成数据',
          component: () => import('@/views/sta/create'),
          meta: { title: '生成数据', icon: 'table' }
        },
        {
          path: 'show',
          name: '图表显示',
          component: () => import('@/views/sta/show'),
          meta: { title: '图表显示', icon: 'tree' }
        }
      ]
    },
  
    {
      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: 'External Link', icon: 'link' }
        }
      ]
    },
  
    { path: '*', redirect: '/404', hidden: true }
  ]
  
  export default new Router({
    // mode: 'history', //后端支持可开
    scrollBehavior: () => ({ y: 0 }),
    routes: constantRouterMap
  })
  