表单
v-model 指令在表单控件元素上创建双向数据绑定
image
<div id="app">
<p>单个复选框:</p>
<input type="checkbox" id="checkbox" v-model="checked">
<label for="checkbox">{{ checked }}</label>
<p>多个复选框:</p>
<input type="checkbox" id="da" value="da" v-model="checkedNames">
<label for="da">da</label>
<input type="checkbox" id="google" value="Google" v-model="checkedNames">
<label for="google">Google</label>
<input type="checkbox" id="taobao" value="Taobao" v-model="checkedNames">
<label for="taobao">taobao</label>
<br>
<span>选择的值为: {{ checkedNames }}</span>
</div>
<script>
new Vue({
el: '#app',
data: {
checked : false,
checkedNames: []
}
})
</script>
单选按钮:
<div id="app">
<input type="radio" id="da" value="da" v-model="picked">
<label for="da">da</label>
<br>
<input type="radio" id="google" value="Google" v-model="picked">
<label for="google">Google</label>
<br>
<span>选中值为: {{ picked }}</span>
</div>
<script>
new Vue({
el: '#app',
data: {
picked : 'da'
}
})
</script>
<div id="app">
<select v-model="selected" name="com">
<option value="">选择一个网站</option>
<option value="www.da.com">da</option>
<option value="www.google.com">Google</option>
</select>
<div id="output">
选择的网站是: {{selected}}
</div>
</div>
<script>
new Vue({
el: '#app',
data: {
selected: ''
}
})
</script>
修饰符 .lazy转变为在 change 事件中同步
<input v-model.lazy="msg" >
.number
<input v-model.number="age" type="number">
.trim
<input v-model.trim="msg">