nezha-nezha-fronted/nezha-fronted/src/main.js

import "./assets/css/main.css";
import 'element-ui/lib/theme-chalk/index.css';
import ElementUI from 'element-ui';

import i18n from './components/common/i18n'

import Vue from 'vue'
import Vuex from 'vuex'
import store from './store/index';
import App from './App'
import router from './router'


import axios from 'axios';
import {post, get, put, del} from './http.js'

import Pagination from "./components/common/pagination"; //引入全局分页组件
import searchInput from "./components/common/searchInput";

Vue.component("Pagination", Pagination);
Vue.component("searchInput", searchInput);

Vue.prototype.$axios = axios
Vue.prototype.$post = post;
Vue.prototype.$get = get;
Vue.prototype.$put = put;
Vue.prototype.$delete = del;

Vue.config.productionTip = false
Vue.use(ElementUI)
Vue.use(Vuex)


const clickoutside = {
  // 初始化指令
  bind(el, binding, vnode) {
    function documentHandler(e) {
      // 这里判断点击的元素是否是本身，是本身，则返回
      if (el.contains(e.target)) {
        return false;
      }
      // 判断指令中是否绑定了函数
      if (binding.expression) {
        // 如果绑定了函数 则调用那个函数，此处binding.value就是handleClose方法
        if (binding.arg) {
          binding.value(e, binding.arg);
        } else {
          binding.value(e);
        }

      }
    }

    // 给当前元素绑定个私有变量，方便在unbind中可以解除事件监听
    el.__vueClickOutside__ = documentHandler;
    document.addEventListener('click', documentHandler);
  },
  unbind(el, binding) {
    // 解除事件监听
    document.removeEventListener('click', el.__vueClickOutside__);
    delete el.__vueClickOutside__;
  },
};

Vue.directive('clickoutside',
    clickoutside
)

/* eslint-disable no-new */
new Vue({
  el: '#app',
  router,
  i18n,
  store,
  components: {App},
  template: '<App/>'
})


router.beforeEach((to, from, next) => {
  if (to.path === '/login') {
    next()
  } else {
    let token = sessionStorage.getItem('token');
    if (token) {
      next()
    } else {
      next({ path: '/dashboard' })
    }
  }
})