ly-front/src/main.js

import Vue from "vue";
import App from "./App.vue";
import router from "./router";
import store from "./store";

// 全局组件注册
import "@/components/index.js";
// 先引入element组件，再引入css自定义主题才能生效
import "@/plugins/element";
// 样式加载
import "@/assets/css/index.scss";
import FitScreen from "@fit-screen/vue";
// 全局事件总线（‌bus）‌
Vue.prototype.$bus = new Vue({});
Vue.use(FitScreen);
new Vue({
  router,
  store,
  render: (h) => h(App)
}).$mount("#app");