vue.js基础__ v-model 数据源绑定指令
v-model 可以绑定文本框,文本域,多选框绑定一个值或绑定多个值,以及绑定单选框,代码如下
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>v-model 实例</title>
<script src="../assets/js/vue.js"></script>
</head>
<body>
<h1>v-model 实例</h1>
<hr>
<div id="app">
<p>原始文本信息:{{message}}</p>
<h3>文本框</h3>
<p>v-model:<input type="text" v-model="message"></p>
<p>v-model.lazy:<input type="text" v-model.lazy="message"></p>
<p>v-model.number:<input type="text" v-model.number="message"></p>
<p>v-model.trim:<input type="text" v-model.trim="message"></p>
<hr>
<h3>文本域</h3>
<textarea v-model="message" cols="30" rows="10"></textarea>
<hr>
<h3>多选框绑定一个值</h3>
<label for="isTrue">{{isTrue}}</label>
<input type="checkbox" id="isTrue" v-model="isTrue">
<hr>
<h3>多选框绑定数组</h3>
<p>
<input type="checkbox" id="one" v-model="web_names" value="one">
<label for="one">one</label>
<input type="checkbox" id="two" v-model="web_names" value="two">
<label for="two">two</label>
<input type="checkbox" id="three" v-model="web_names" value="three">
<label for="three">three</label>
</p>
{{web_names}}
<hr>
<p>单选框</p>
<p>
<input type="radio" name="" id="one" v-model="sex" value="男">
<label for="one">男</label>
<input type="radio" name="" id="two" v-model="sex" value="女">
<label for="two">女</label>
<p>
您选择的性别是:{{sex}}
</p>
</p>
</div>
<script>
var app = new Vue({
el: '#app',
data: {
message: 'hello',
isTrue:true,
web_names:[],
sex:'男'
}
})
</script>
</body>
</html>
效果如下: