vue全局变量，vue3全局变量

版本信息

 

变量配置

mian.js

import { createApp } from 'vue'
import App from './App.vue'
import router from './router'
let elementApp = createApp(App);
elementApp.config.globalProperties.$baseUrl= "http://127.0.0.1:9000"
elementApp.use(router).mount('#app')

使用