web-achieve/src/main.js

import Vue from 'vue';
import App from './App.vue';
import router from './router';
import store from './store';
import ElementUI from 'element-ui';
import VueI18n from 'vue-i18n';
import '@/plugins/axios';
import '@/plugins/check-res';
import '@/plugins/meta';
import '@/plugins/filters';
import '@/plugins/loading';
import '@/plugins/var';
import '@/plugins/methods';
import '@/plugins/setting';
import { messages } from './components/common/i18n';
import 'element-ui/lib/theme-chalk/index.css'; // 默认主题
// import './assets/css/theme-green/index.css'; // 浅绿色主题
import './assets/css/icon.css';
import './components/common/directives';
import 'babel-polyfill';
const jwt = require('jsonwebtoken');
Vue.config.productionTip = false;
Vue.use(VueI18n);
Vue.use(ElementUI, {
  size: 'small',
});
const i18n = new VueI18n({
  locale: 'zh',
  messages,
});

//使用钩子函数对路由进行权限跳转
router.beforeEach((to, from, next) => {
  document.title = `${to.meta.title} `;
  let token = to.query.token;
  if (token) {
    let user = jwt.decode(token);
    localStorage.setItem('token', token);
    store.commit('setUser', user, { root: true });
    next();
  } else {
    let token = localStorage.getItem('token');
    if (to.path == '/homeIndex') {
      if (!token) {
        next('/login');
      } else {
        let user = jwt.decode(token);
        store.commit('setUser', user, { root: true });
        next();
      }
    } else {
      let user = jwt.decode(token);
      store.commit('setUser', user, { root: true });
      next();
    }
  }
});

new Vue({
  router,
  store,
  i18n,
  render: h => h(App),
}).$mount('#app');