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vue v-model表單控件綁定詳解

更新時間：2017年05月17日 17:00:57 作者：返回主頁街角小七

這篇文章主要為大家詳細介紹了vue v-model表單控件綁定的相關(guān)資料，具有一定的參考價值，感興趣的小伙伴們可以參考一下

v-model 指令在表單控件元素上創(chuàng)建雙向數(shù)據(jù)綁定，下面一一進行示例解釋。

1、v-model 雙向綁定文本

<!DOCTYPE html>
<html>
<head lang="en">
 <meta charset="UTF-8">
 <title></title>
 <script type="text/javascript" src="vue.js"></script>
</head>
<body>
<div id="app">
 <input v-model="message" placeholder="edit me">
 <p>Message is: {{ message }}</p>
</div>
</body>
<script>
 var vm = new Vue({
  el:"#app",
  data: {
   message: '綁定文本'
  }
 })
</script>
</html>

輸出結(jié)果：

2、v-model 雙向綁定多行文本，與上面的例子相似。

<!DOCTYPE html>
<html>
<head lang="en">
 <meta charset="UTF-8">
 <title></title>
 <script type="text/javascript" src="vue.js"></script>
</head>
<body>
<div id="app">
 <<span>Multiline message is:</span>
 <p style="white-space: pre">{{ message }}</p>
 <br>
 <textarea v-model="message" placeholder="add multiple lines"></textarea>
</div>
</body>
<script>
 var vm = new Vue({
  el:"#app",
  data: {
   message: '綁定多行文本'
  }
 })
</script>
</html>

輸出結(jié)果：

3、v-model 綁定復(fù)選框

<!DOCTYPE html>
<html>
<head lang="en">
 <meta charset="UTF-8">
 <title></title>
 <script type="text/javascript" src="vue.js"></script>
</head>
<body>
<div id="app">
 <input type="checkbox" id="checkbox" v-model="checked">
 <label for="checkbox">{{ checked }}</label>
</div>
</body>
<script>
 var vm = new Vue({
  el:"#app",
  data: {
   checked: 'true'
  }
 })
</script>
</html>

輸出結(jié)果：選中為true 不選中則為false

<!DOCTYPE html>
<html>
<head lang="en">
 <meta charset="UTF-8">
 <title></title>
 <script type="text/javascript" src="vue.js"></script>
</head>
<body>
<div id="app">
 <input type="checkbox" id="jack" value="劉二狗" v-model="checkedNames">
 <label for="jack">Jack</label>
 <input type="checkbox" id="john" value="張麻子" v-model="checkedNames">
 <label for="john">John</label>
 <input type="checkbox" id="mike" value="小狗子" v-model="checkedNames">
 <label for="mike">Mike</label>
 <br>
 <span>Checked names: {{ checkedNames }}</span>
</div>
</body>
<script>
 var vm = new Vue({
  el:"#app",
  data: {
   checkedNames: []
  }
 })
</script>
</html>

輸出結(jié)果：

4、v-model 綁定單選按鈕

<!DOCTYPE html>
<html>
<head lang="en">
 <meta charset="UTF-8">
 <title></title>
 <script type="text/javascript" src="vue.js"></script>
</head>
<body>
<div id="app">
 <input type="radio" id="one" value="One" v-model="picked">
 <label for="one">One</label>
 <br>
 <input type="radio" id="two" value="Two" v-model="picked">
 <label for="two">Two</label>
 <br>
 <span>Picked: {{ picked }}</span>
</div>
</body>
<script>
 var vm = new Vue({
  el:"#app",
  data: {
   picked: ''
  }
 })
</script>
</html>

輸出結(jié)果：

5、v-model 綁定下拉列表

<!DOCTYPE html>
<html>
<head lang="en">
 <meta charset="UTF-8">
 <title></title>
 <script type="text/javascript" src="vue.js"></script>
</head>
<body>
<div id="app">
 <select v-model="selected">
  <option>A</option>
  <option>B</option>
  <option>C</option>
 </select>
 <span>Selected: {{ selected }}</span>
</div>
</body>
<script>
 var vm = new Vue({
  el:"#app",
  data: {
   selected: ''
  }
 })
</script>
</html>

輸出結(jié)果：

多選列表

<!DOCTYPE html>
<html>
<head lang="en">
 <meta charset="UTF-8">
 <title></title>
 <script type="text/javascript" src="vue.js"></script>
</head>
<body>
<div id="app">
 <select v-model="selected" multiple style="width: 50px">
  <option>A</option>
  <option>B</option>
  <option>C</option>
 </select>
 <br>
 <span>Selected: {{ selected }}</span>
</div>
</body>
<script>
 var vm = new Vue({
  el:"#app",
  data: {
   selected: []
  }
 })
</script>
</html>

輸出結(jié)果：

6、動態(tài)選項，用 v-for 渲染：

<!DOCTYPE html>
<html>
<head lang="en">
 <meta charset="UTF-8">
 <title></title>
 <script type="text/javascript" src="vue.js"></script>
</head>
<body>
<div id="app">
 <select v-model="selected">
  <option v-for="option in options" v-bind:value="option.value">
   {{ option.text }}
  </option>
 </select>
 <span>Selected: {{ selected }}</span>
</div>
</body>
<script>
 var vm = new Vue({
  el:"#app",
  data: {
   selected: 'A',
   options: [
    { text: 'One', value: 'A' },
    { text: 'Two', value: 'B' },
    { text: 'Three', value: 'C' }
   ]
  }
 })
</script>
</html>

輸出結(jié)果：