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+<!DOCTYPE html>
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+<html lang="en">
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+<head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Document</title>
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+ <script src="./js/vue.js"></script>
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+ <style>
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+ .box1{
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+ width: 400px;
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+ height: 400px;
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+ background-color: pink;
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+ }
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+ .box2{
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+ width: 200px;
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+ height: 200px;
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+ background-color: red;
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+ }
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+ .box3{
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+ width: 100px;
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+ height: 100px;
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+ background-color: blue;
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+ }
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+ </style>
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+</head>
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+<body>
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+ <div id="app">
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+ <!-- v-on 为元素绑定事件 v-on:事件名称="方法名" -->
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+ <button v-on:click="fun">按钮</button>
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+ <!-- 如果需要传递参数 可以在方法名后面添加参数 -->
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+ <button v-on:click="fun2('2')">按钮2</button>
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+ <!-- v-on可以缩写为 @ -->
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+ <button @click="fun3">按钮3</button>
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+
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+ <div v-if="isShow"> hello Vue!</div>
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+
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+ <div class="box1" @click="fun4">
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+ <div class="box2" @click="fun5">
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+ <!-- .stop 等同于 stopPropagation 阻止事件冒泡 -->
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+ <div class="box3" @click.stop="fun6"></div>
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+ </div>
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+ </div>
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+ </div>
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+ <script>
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+ new Vue({
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+ el:"#app",
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+ data:{
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+ isShow:true,
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+ },
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+ // methods 内部放置一些自定义的方法 比如事件处理函数
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+ methods:{
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+ fun(){
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+ console.log("hello vue");
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+ },
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+ fun2(i){
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+ console.log(i);
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+ },
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+ fun3(){
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+ console.log("hello vue3");
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+ // 修改data中的值
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+ // vue 中使用this 可以指向data中的值
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+ this.isShow = false;
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+ },
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+ fun4(){
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+ console.log("4");
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+ },
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+ fun5(){
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+ console.log("5");
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+ },
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+ fun6(e){
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+ // e.stopPropagation();
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+ console.log("6");
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+ }
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+ }
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+ })
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+ </script>
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+</body>
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+</html>
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