jwl-manage-web/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 {
  getToken
} from '@/utils/auth';
import {
  isRelogin
} from '@/utils/request';

NProgress.configure({
  showSpinner: false
});

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

router.beforeEach((to, from, next) => {
  NProgress.start();
  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) {
        isRelogin.show = true;
        // 判断当前用户是否已拉取完user_info信息
        store
          .dispatch('GetInfo')
          .then((resp) => {
            isRelogin.show = false;
            localStorage.setItem('admin', resp.user.admin);
            localStorage.setItem('userId', resp.user.userId);
            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 {
        next();
      }
    }
  } else {
    // 没有token
    if (whiteList.indexOf(to.path) !== -1) {
      // 在免登录白名单，直接进入
      next();
    } else {
      next(`/login?redirect=${to.fullPath}`); // 否则全部重定向到登录页
      NProgress.done();
    }
  }
});

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