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')
          }]
      },
  
      // 讲师管理
      {
          path: '/teacher',
          component: Layout,
          redirect: '/teacher/list',
          name: '讲师管理',
          meta: { title: '讲师管理', icon: 'example' },
          children: [
              {
                  path: 'list',
                  name: '讲师列表',
                  component: () => import('@/views/edu/teacher/index'),
                  meta: { title: '讲师列表', icon: 'table' }
              },
              {
                  path: 'save',
                  name: '添加讲师',
                  component: () => import('@/views/edu/teacher/form'),
                  meta: { title: '添加讲师', icon: 'tree' }
              },
              {
                  path: 'edit/:id',
                  name: '修改讲师',
                  component: () => import('@/views/edu/teacher/form'),
                  meta: { title: '修改讲师', icon: 'tree' },
                  hidden: true
              }
          ]
      },
  
      // 课程分类管理
      {
          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/index'),
                  meta: { title: '课程分类列表', icon: 'table' }
              },
              {
                  path: 'import',
                  name: '导入课程分类',
                  component: () => import('@/views/edu/subject/import'),
                  meta: { title: '导入课程分类', icon: 'tree' }
              }
          ]
      },
      // 课程管理
      {
          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/subject/index'),
                  meta: { title: '课程列表', icon: 'table' }
              },
              {
                  path: 'info',
                  name: '发布课程',
                  component: () => import('@/views/edu/course/info'),
                  meta: { title: '发布课程', 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: '/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
  })
  