jinjianback1.1/src/main.js

// The Vue build version to load with the `import` command
// (runtime-only or standalone) has been set in webpack.base.conf with an alias.
import Vue from 'vue'
import App from './App'
import router from './router'
import store from './store'
import ElementUI from 'element-ui';
import 'element-ui/lib/theme-default/index.css'
import NProgress from 'nprogress'
import 'normalize.css/normalize.css';// normalize.css 样式格式化
import '@/styles/index.scss'; // 全局自定义的css样式
import '@/components/Icon-svg/index'; // 封装的svg组件

Vue.config.productionTip = false

Vue.use(ElementUI);


const whiteList = ['/login'];// 不重定向白名单
router.beforeEach((to, from, next) => {
  NProgress.start(); // 开启Progress
  if (store.getters.token) { // 判断是否有token
    if (to.path === '/login') {
      next({ path: '/' });
    } 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(res => { // 拉取user_info
          const roles = res.data.role;
          store.dispatch('GenerateRoutes', { roles }).then(() => { // 生成可访问的路由表
            router.addRoutes(store.getters.addRouters) // 动态添加可访问路由表
            next(to.path); // hack方法 确保addRoutes已完成
          })
        }).catch(err => {
          console.log(err);
        });
      } else {
        next();
      }
    }
  } else {
    if (whiteList.indexOf(to.path) !== -1) { // 在免登录白名单，直接进入
      next()
    } else {
      next('/login'); // 否则全部重定向到登录页
      NProgress.done();
    }
  }
});

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

new Vue({
  el: '#app',
  router,
  store,
  template: '<App/>',
  components: { App }
})