text: import Vue from 'vue'
  import Router from 'vue-router'
  
  Vue.use(Router)
  
  /* Layout */
  import Layout from '@/layout'
  
  /**
   * Note: sub-menu only appear when route children.length >= 1
   * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
   *
   * hidden: true                   if set true, item will not show in the sidebar(default is false)
   * alwaysShow: true               if set true, will always show the root menu
   *                                if not set alwaysShow, when item has more than one children route,
   *                                it will becomes nested mode, otherwise not show the root menu
   * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
   * name:'router-name'             the name is used by <keep-alive> (must set!!!)
   * meta : {
      roles: ['admin','editor']    control the page roles (you can set multiple roles)
      title: 'title'               the name show in sidebar and breadcrumb (recommend set)
      icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
      breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
      activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
    }
   */
  
  /**
   * constantRoutes
   * a base page that does not have permission requirements
   * all roles can be accessed
   */
  export const constantRoutes = [
    {
      path: '/login',
      component: () => import('@/views/login/index'),
      hidden: true
    },
  
    {
      path: '/404',
      component: () => import('@/views/404'),
      hidden: true
    },
  
    {
      path: '/',
      component: Layout,
      redirect: '/dashboard',
      children: [{
        path: 'dashboard',
        name: 'Dashboard',
        component: () => import('@/views/dashboard/index'),
        meta: { title: 'Dashboard', icon: 'dashboard' }
      }]
    },
    // basic
    {
      path: '/basic',
      component: Layout,
      redirect: '/basic/basic',
      meta: { title: '基础图形', icon: 'el-icon-s-help' },
      children: [
        {
          path: '/basic/basic',
          name: 'Basic',
          component: () => import('@/views/basic/basic'),
          meta: { title: '基础图形'}
        },
        {
          path: '/basic/animate',
          name: 'Basicanimate',
          component: () => import('@/views/basic/animate'),
          meta: { title: '基础动画'}
        },
        {
          path: '/basic/histogram',
          name: 'Histogram',
          component: () => import('@/views/basic/histogram'),
          meta: {title: '直方图'}
        },
        {
          path: '/basic/line',
          name: 'Line',
          component: () => import('@/views/basic/line'),
          meta: {title: '折线图'}
        },
        {
          path: '/basic/dendrogram',
          name: 'Dendrogram',
          component: () => import('@/views/basic/dendrogram'),
          meta: {title: '饼图'}
        },
        {
          path: '/basic/area',
          name: 'Area',
          component: () => import('@/views/basic/area'),
          meta: {title: '面积图'}
        },
        {
          path: '/basic/scatterdiagram',
          name: 'Scatterdiagram',
          component: () => import('@/views/basic/scatterdiagram'),
          meta: {title: '散点图'}
        },
        {
          path: '/basic/force',
          name: 'Forece',
          component: () => import('@/views/basic/force'),
          meta: {title: '力导图'}
        },
        {
          path: '/basic/tags',
          name: 'Tags',
          component: () => import('@/views/basic/tags'),
          meta: {title: '标签云图'}
        },
        {
          path: '/basic/three',
          name: 'Three',
          component: () => import('@/views/basic/three'),
          meta: {title: '树状图'}
        },
        {
          path: '/basic/figure',
          name: 'Figure',
          component: () => import('@/views/basic/figure'),
          meta: {title: '树状图'}
        },
      ]
    },
    // advanced
    {
      path: '/advanced',
      component: Layout,
      redirect: '/advanced/china',
      meta: { title: '进阶图形', icon: 'form' },
      children: [
        {
          path: '/advanced/china',
          name: 'China',
          component: () => import('@/views/advanced/china'),
          meta: {title: '简单中国地图'}
        },
        {
          path: '/advanced/combinedbar',
          name: 'Combinedbar',
          component: () => import('@/views/advanced/combinedbar'),
          meta: {title: '组合柱状图'}
        },
        {
          path: '/advanced/stackhistogram',
          name: 'Stackhistogram',
          component: () => import('@/views/advanced/stackhistogram'),
          meta: {title: '堆栈柱状图'}
        },
        {
          path: '/advanced/radialstackbar',
          name: 'Radialstackbar',
          component: () => import('@/views/advanced/radialstackbar'),
          meta: {title: '径向堆栈柱状图'}
        }
      ]
    },
    // product
    {
      path: '/product',
      component: Layout,
      redirect: '/product/thread',
      name: 'Product',
      meta: {
        title: 'Prodyuct',
        icon: 'nested'
      },
      children: [
        {
          path: '/product/thread',
          component: () => import('@/views/product/thread'),
          name: 'Thread',
          meta: { title: 'Thread网络拓扑图' }
        },
        {
          path: '/product/verticalbusiness',
          component: () => import('@/views/product/verticalbusiness'),
          name: 'Verticalbusiness',
          meta: { title: '业务合作关系图' }
        },
        {
          path: '/product/radar',
          component: () => import('@/views/product/radar'),
          name: 'Radar',
          meta: { title: '雷达图' }
        },
        {
          path: '/product/thiessenpolygon',
          component: () => import('@/views/product/thiessenpolygon'),
          name: 'Thiessenpolygon',
          meta: { title: '泰森多边形' }
        }
      ]
    },
    // 404 page must be placed at the end !!!
    { path: '*', redirect: '/404', hidden: true }
  ]
  
  const createRouter = () => new Router({
    // mode: 'history', // require service support
    scrollBehavior: () => ({ y: 0 }),
    routes: constantRoutes
  })
  
  const router = createRouter()
  
  // Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
  export function resetRouter() {
    const newRouter = createRouter()
    router.matcher = newRouter.matcher // reset router
  }
  
  export default router
  