cesium_three/src/main.js

import './assets/main.css'

import { createApp } from 'vue'
import App from './App.vue'
import router from './router'
import store from "./store/index";
import * as echarts from "echarts";
// import "echarts-gl";

import ElementPlus from 'element-plus'
import 'element-plus/dist/index.css'

import * as ElementPlusIconsVue from '@element-plus/icons-vue'

const app = createApp(App)

app.use(ElementPlus)
app.use(router)
app.use(store)

for (const [key, component] of Object.entries(ElementPlusIconsVue)) {
  app.component(key, component)
}

app.config.globalProperties.$echarts = echarts;

app.mount('#app')