<!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">
<title>Document</title>
<script src="https://unpkg.com/vue/dist/vue.js"></script>
</head>
<body>
<!-- 基本列表的演示 -->
<div id="app">
<ul>
<li v-for='item in movies'>{{item}}</li>
</ul>
</div>
<script>
const app = new Vue({
el: '#app',
data: {
message: 'hello!',
movies: ['星际穿越', '大话西游', '少年派', '盗梦空间']
}
})
app.movies.push('海王'); // app是一个对象，message和movies都是app的一个属性
</script>
<hr>
<!-- 计数器案例 -->
<div id="app2">
<p>当前计数：{{counter}}</p>
<button v-on:click='counter++'>+</button> <!-- v-on 监听事件-->
<button v-on:click='decrease'>-</button> <!-- 执行函数的话不能加括号 -->
<button @click='add2'>+2</button> <!-- @click是v-on的简写，又称为语法糖 -->
</div>
<script>
const app2 = new Vue({
el: '#app2',
data: {
counter: 0
},
methods: {
decrease: function () {
this.counter--; // 要使用this调用counter
},
add2:function(){
this.counter += 2;
}
}
})
</script>
</body>
</html>