Web1020/13.Vue3/project3/src/main.ts

import { createApp } from 'vue'
import router from './router'
import App from './views/readonly-shallowReadonly.vue'
// import App from './views/shallowRef-shallowReactive.vue'
// import App from './App.vue'

import './assets/book.css'
const app = createApp(App);
app.use(router);
app.mount("#app");