text: // eslint-disable-next-line
  import * as loginService from '@/api/login'
  // eslint-disable-next-line
  import { BasicLayout, BlankLayout, PageView, RouteView } from '@/layouts'
  
  // 前端路由表
  const constantRouterComponents = {
      // 基础页面 layout 必须引入
      BasicLayout: BasicLayout,
      BlankLayout: BlankLayout,
      RouteView: RouteView,
      PageView: PageView,
      '403': () => import(/* webpackChunkName: "error" */ '@/views/exception/403'),
      '404': () => import(/* webpackChunkName: "error" */ '@/views/exception/404'),
      '500': () => import(/* webpackChunkName: "error" */ '@/views/exception/500'),
      // exception
      'Exception403': () => import(/* webpackChunkName: "fail" */ '@/views/exception/403'),
      'Exception404': () => import(/* webpackChunkName: "fail" */ '@/views/exception/404'),
      'Exception500': () => import(/* webpackChunkName: "fail" */ '@/views/exception/500')
  }
  
  // 前端未找到页面路由（固定不用改）
  const notFoundRouter = {
      path: '*', redirect: '/404', hidden: true
  }
  
  // 根级菜单
  const rootRouter = {
      key: '',
      name: 'index',
      path: '',
      component: 'BasicLayout',
      redirect: '/index',
      meta: {
          title: '登录'
      },
      children: []
  }
  
  /**
   * 动态生成菜单
   * @param token
   * @returns {Promise<Router>}
   */
  export const generatorDynamicRouter = (token) => {
      return new Promise((resolve, reject) => {
          loginService.getCurrentUserNav(token).then(res => {
              console.log('res', res)
              const { result } = res
              const menuNav = []
              const childrenNav = []
              //      后端数据, 根级树数组,  根级 PID
              listToTree(result, childrenNav, 0)
              rootRouter.children = childrenNav
              menuNav.push(rootRouter)
              console.log('menuNav', menuNav)
              const routers = generator(menuNav)
              routers.push(notFoundRouter)
              console.log('routers', routers)
              resolve(routers)
          }).catch(err => {
              reject(err)
          })
      })
  }
  
  /**
   * 格式化树形结构数据 生成 vue-router 层级路由表
   *
   * @param routerMap
   * @param parent
   * @returns {*}
   */
  export const generator = (routerMap, parent) => {
      return routerMap.map(item => {
          const { title, show, hideChildren, hiddenHeaderContent, target, icon } = item.meta || {}
          const currentRouter = {
              // 如果路由设置了 path，则作为默认 path，否则 路由地址 动态拼接生成如 /dashboard/workplace
              path: item.path || `${parent && parent.path || ''}/${item.key}`,
              // 路由名称，建议唯一
              name: item.name || item.key || '',
              // 该路由对应页面的 组件 :方案1
              // component: constantRouterComponents[item.component || item.key],
              // 该路由对应页面的 组件 :方案2 (动态加载)
              component: (constantRouterComponents[item.component || item.key]) || (() => import(`@/views/${item.component}`)),
  
              // meta: 页面标题, 菜单图标, 页面权限(供指令权限用，可去掉)
              meta: {
                  title: title,
                  icon: icon || undefined,
                  hiddenHeaderContent: hiddenHeaderContent,
                  target: target,
                  permission: item.name
              }
          }
          // 是否设置了隐藏菜单
          if (show === false) {
              currentRouter.hidden = true
          }
          // 是否设置了隐藏子菜单
          if (hideChildren) {
              currentRouter.hideChildrenInMenu = true
          }
          // 为了防止出现后端返回结果不规范，处理有可能出现拼接出两个 反斜杠
          if (!currentRouter.path.startsWith('http')) {
              currentRouter.path = currentRouter.path.replace('//', '/')
          }
          // 重定向
          item.redirect && (currentRouter.redirect = item.redirect)
          // 是否有子菜单，并递归处理
          if (item.children && item.children.length > 0) {
              // Recursion
              currentRouter.children = generator(item.children, currentRouter)
          }
          return currentRouter
      })
  }
  
  /**
   * 数组转树形结构
   * @param list 源数组
   * @param tree 树
   * @param parentId 父ID
   */
  const listToTree = (list, tree, parentId) => {
      list.forEach(item => {
          // 判断是否为父级菜单
          if (item.parentId === parentId) {
              const child = {
                  ...item,
                  key: item.key || item.name,
                  children: []
              }
              // 迭代 list， 找到当前菜单相符合的所有子菜单
              listToTree(list, child.children, item.id)
              // 删掉不存在 children 值的属性
              if (child.children.length <= 0) {
                  delete child.children
              }
              // 加入到树中
              tree.push(child)
          }
      })
  }
  