Vue router页面加载进度条

nprogress

router.js

import Vue from 'vue'
import Router from 'vue-router'
import store from '@/store'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { ConstantRoute, DynamicRoute } from './Route'
import { setDocumentTitle, domTitle } from '@/utils/domUtil'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const requireContext = require.context('./routes', true, /\.js$/)
const requireAll = context => context.keys().map(context)
const ChildRoutes = []
requireAll(requireContext).sort((a, b) => {
  return a.default.sort - b.default.sort
}).forEach(item => {
  ChildRoutes.push(...item.default.routes)
})

Vue.use(Router)

const router = new Router({
  mode: 'history',
  base: '/producedatamng/',
  scrollBehavior: () => ({ y: 0 }),
  routes: ConstantRoute
})

router.beforeEach((to, form, next) => {
  NProgress.start()
  to.meta && (typeof to.meta.name !== 'undefined' && setDocumentTitle(`${to.meta.name} - ${domTitle}`))
  if (store.getters.userToken) {
    if (to.path !== '/login') {
      /* 已有token */
      if (store.getters.routes) {
        /* 已获取菜单权限 */
        next()
      } else {
        /* 未获取菜单权限 */
        store.dispatch('GetUserInfo').then(authList => {
          return store.dispatch('GenerateRoutes', { ChildRoutes, authList })
        }).then(routes => {
          let MainRoute = DynamicRoute.find(v => v.path === '/')
          MainRoute.children.push(...routes)
          router.addRoutes(DynamicRoute)
          if (to.path === '/') {
            next(store.getters.ShowRouter[0].path)
          } else {
            next({ ...to })
          }
        })
      }
    } else {
      next('/')
    }
  } else {
    /* 没有token */
    if (to.path === '/login') {
      next()
    } else {
      next({ path: '/login' })
    }
  }
})
// router.beforeEach((to, from, next) => {
//   let user = sessionStorage.getItem("user")
//   if (user){
//     next()
//   }else {
//     if (to.path === 'login'){
//       next()
//     }else {
//       next('/login')
//     }
//   }
// })
router.afterEach(() => {
  NProgress.done() // finish progress bar
})

export default router