<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE-edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" href="https://unpkg.com/element-plus/dist/index.css"/> <script src="https://unpkg.com/vue@3.2.24/dist/vue.global.js"></script> <script src="https://unpkg.com/element-plus"></script> <title>Hello-Vue</title> </head> <body> <div id="app"> <h1>{{ title }}</h1> <el-button type="primary" @click="add">点我</el-button> <p>计数 {{ count }}</p> </div> <script type="text/javascript"> const App = { data() { return { title: "Hello Vue", count: 0, } }, methods: { add() { this.count++; } } } Vue.createApp(App).use(ElementPlus).mount('#app') </script> </body> </html>