Vue3

创建实例

• 主入口 main.ts 中

Vue3: creatApp()

import App from './App.vue';
import { createApp } from 'vue';
import { router } from './router';
const app = createApp(App);
app.use(router);
app.mount('#app')

Vue2: new Vue()

import App from './App.vue';
import Vue from 'vue';
import router from './router';
Vue.config.productionTip = false;
new Vue({
  router,
  render: h => h(App)
}).$mount('#app')