<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<script src="http://cdnjs.cloudflare.com/ajax/libs/vue/0.12.16/vue.min.js"></script>
</head>
<body>
<form id="demo">
<!-- text -->
<p>
<input type="text" v-model="msg">
{{msg}}
</p>
<!-- checkbox -->
<p>
<input type="checkbox" v-model="checked">
{{checked ? "yes" : "no"}}
</p>
<!-- radio buttons -->
<p>
<input type="radio" name="picked" value="one" v-model="picked">
<input type="radio" name="picked" value="two" v-model="picked">
{{picked}}
</p>
<!-- select -->
<p>
<select v-model="selected">
<option>one</option>
<option>two</option>
</select>
{{selected}}
</p>
<!-- multiple select -->
<p>
<select v-model="multiSelect" multiple>
<option>one</option>
<option>two</option>
<option>three</option>
</select>
{{multiSelect}}
</p>
<p><pre>data: {{$data | json 2}}</pre></p>
</form>
<script>
new Vue({
el: '#demo',
data: {
msg : 'hi!',
checked : true,
picked : 'one',
selected : 'two',
multiSelect: ['one', 'three']
}
});
</script>
</body>
</html>
<!-- 在 "change" 而不是 "input" 事件触发后进行同步 --> <input v-model="msg" lazy>
<!-- toggle 是 true 或 false --> <input type="checkbox" v-model="toggle"> <!-- 当单选框被选中时 pick 是 "red" --> <input type="radio" v-model="pick" value="red">
<input type="checkbox" v-model="toggle" true-exp="a" false-exp="b"> // 被选中时: vm.toggle === vm.a // 被取消选中时: vm.toggle === vm.b
<input type="radio" v-model="pick" exp="a"> // 被选中时: vm.pick === vm.a
options = [
{ text: 'A', value: 'a' },
{ text: 'B', value: 'b' }
]
<select> <option value="a">A</option> <option value="b">B</option> </select>
[
{ label: 'A', options: ['a', 'b']},
{ label: 'B', options: ['c', 'd']}
]
<select>
<optgroup label="A">
<option value="a">a</option>
<option value="b">b</option>
</optgroup>
<optgroup label="B">
<option value="c">c</option>
<option value="d">d</option>
</optgroup>
</select>
Vue.filter('extract', function (value, keyToExtract) {
return value.map(function (item) {
return item[keyToExtract]
})
})
<select
v-model="selectedUser"
options="users | extract 'name'">
</select>
<select v-model="selectedUser" options="users"> <option value="">Select a user...</option> </select>
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