zc_saas_admin/src/permission.js

import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress'
import 'nprogress/nprogress.css'
import methods from '@/utils/methodsTool';
import { getToken } from '@/utils/auth'

NProgress.configure({ showSpinner: false })

const whiteList = ['/login', '/auth-redirect', '/bind', '/register']

router.beforeEach((to, from, next) => {
  if (to.path !== from.path) {
    NProgress.start();
  }
  if (methods.getQueryVariable('TenantId') && !sessionStorage.TenantId) {
    sessionStorage.TenantId = methods.getQueryVariable('TenantId')
  }
  if (methods.getQueryVariable('TenantId') && sessionStorage.TenantId == undefined) {
    sessionStorage.TenantId = methods.getQueryVariable('TenantId')
  }
  if (methods.getQueryVariable('TenantId') && sessionStorage.TenantId != methods.getQueryVariable('TenantId')) {
    sessionStorage.TenantId = methods.getQueryVariable('TenantId')
  }
  if (getToken()) {
    to.meta.title && store.dispatch('settings/setTitle', to.meta.title)
    /* has token*/
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done()
    } else {
      if (store.getters.roles.length === 0) {
        // 判断当前用户是否已拉取完user_info信息
        store.dispatch('GetInfo').then(() => {
          store.dispatch('GenerateRoutes').then(accessRoutes => {
            // 根据roles权限生成可访问的路由表
            router.addRoutes(accessRoutes) // 动态添加可访问路由表
            next({ ...to, replace: true }) // hack方法 确保addRoutes已完成
          })
        }).catch(err => {
          store.dispatch('LogOut').then(() => {
            Message.error(err)
            next({ path: '/' })
          })
        })
      } else {
        if (!to.query.TenantId) {
          to.query.TenantId = sessionStorage.TenantId
          next(to)
        } else {
          next()
        }
      }
    }
  } else {
    // 没有token
    if (whiteList.indexOf(to.path) !== -1) {
      // 在免登录白名单，直接进入
      next()
    } else {
      if (sessionStorage.TenantId == undefined) {
        next(`/login`) // 否则全部重定向到登录页
      } else {
        next(`/login?redirect=${to.fullPath}&TenantId=${sessionStorage.TenantId}`) // 否则全部重定向到登录页
      }
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  NProgress.done()
})