事件处理
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>07_事件处理</title>
</head>
<body>
<!--
1.绑定监听：
v-on:xxx="fun"
@xxx="fun"
@xxx="fun(参数)"
默认事件形参：event
隐含属性对象：$event
2.事件修饰符
.prevent：阻止事件的默认行为 event.preventDefault()
.stop：停止事件冒泡 event.stopPropagation()
3.按键修饰符
.keycode：操作的是某个keycode值的键
.enter：操作的是enter键
-->
<div id="example">
<h2>1.绑定监听</h2>
<button @click="test1">test1</button>
<button @click="test2(‘taosir‘)">test2</button>
<!-- 没有其他参数，$event不写也可以-->
<button @click="test3($event)">test3</button>
<button @click="test4(123,$event)">test4</button>
<h2>2.事件修饰符</h2>
<div style="width: 200px;height: 200px;background: red" @click="test5">
<!-- @click.stop停止事件冒泡 -->
<div style="width: 100px;height: 100px;background: blue;" @click.stop="test6"></div>
</div>
<a href="http://www.baidu.com" @click.prevent="test7">去百度</a>
<h3>3.按键修饰符</h3>
<input type="text" @keyup.13="test8" />
<input type="text" @keyup.enter="test8" />
</div>
<script type="text/javascript" src="../js/vue.js" ></script>
<script>
new Vue({
el:‘#example‘,
data:{
test1(){
alert(‘test1‘)
},
test2(msg){
alert(‘test2：‘+msg)
},
test3(evnet){
alert(event.target.innerHTML)
},
test4(number,event){
alert(number+‘：‘+event.target.innerHTML)
},
test5(){
alert(‘out‘)
},
test6(){
//event.stopPropagation()
alert(‘inner‘)
},
test7(){
//event.preventDefault()
alert(‘test点击了‘)
},
test8(){
// if(event.keyCode===13){
// //通过event.keyCode查询keyCode
// alert(event.target.value+‘ ‘+event.keyCode)
// }
alert(event.target.value+‘ ‘+event.keyCode)
}
}
})
</script>
</body>
</html>
表单输入绑定
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>08_表单输入绑定</title>
</head>
<body>
<!--
1.使用v-model（双向数据绑定）自动手机数据
text/textarea
checkbox
radio
select
-->
<div id="demo">
<form action="/xxx" @submit.prevent="handleSubmit">
<span>用户名：</span>
<input v-model="username"/><br />
<span>密码：</span>
<input type="password" v-model="pwd"/><br />
<span>性别：</span>
<input type="radio" id="female" value="女" v-model="sex"/>
<label for="female">女</label>
<input type="radio" id="male" value="男" v-model="sex"/>
<label for="male">男</label><br />
<span>爱好：</span>
<input type="checkbox" id="basket" value="篮球" v-model="likes"/>
<label for="basket">篮球</label>
<input type="checkbox" id="foot" value="足球" v-model="likes" />
<label for="foot">足球</label>
<input type="checkbox" id="pingpang" value="乒乓" v-model="likes" />
<label for="pingpang">乒乓</label><br />
<span>城市：</span>
<select v-model="cityId">
<option value="">未选择</option>
<option :value="city.id" v-for="(city,index) in allCitys">{{city.name}}</option>
</select><br />
<span>介绍</span>
<textarea rows="10" v-model="desc"></textarea><br />
<input type="submit" value="注册" />
</form>
</div>
<script type="text/javascript" src="../js/vue.js" ></script>
<script>
new Vue({
el:"#demo",
data:{
username:‘‘,
pwd:‘‘,
sex:‘女‘,
likes:[‘足球‘],
allCitys:[{id:1,name:‘taosir‘},{id:2,name:‘moer‘},{id:3,name:‘vue‘}],
cityId:‘3‘,
desc:‘请输入描述‘
},
methods:{
handleSubmit(){
console.log(this.username,this.pwd,this.sex,this.likes,this.cityId,this.desc)
}
}
})
</script>
</body>
</html>
原文地址：https://www.cnblogs.com/it-taosir/p/9949940.html
时间： 2024-11-06 03:43:16