数据绑定-绑定表单控件的值

<!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>Document</title>
</head>
<body>

    <div id="app">
        <form action="" method="post">
            <p><label>姓名:<input type="text" name="username" v-model="fullName"></label></p>

            <!-- 注意,默认情况下,选中时复选框的值为 true,否则为 false -->
            <p><label>婚否:<input type="checkbox" name="marry" v-model="marry"></label></p>

            <!-- 当我们有多个复选框时,被绑定属性(hobby)的值应该写成数组,用存放多个值 -->
            <p>
                爱好:
                <label><input type="checkbox" v-model="hobby" value="sleep">睡觉</label>
                <label><input type="checkbox" v-model="hobby" value="eat">吃饭</label>
                <label><input type="checkbox" v-model="hobby" value="study">学习</label>
            </p>

            <!-- 单选下拉列表中的选项被选中时,得到的值为字符串 -->
            <p>
                现居城市:
                <select name="city" v-model="city">
                    <option value="" disabled>请选择</option>
                    <option value="beijing">北京</option>
                    <option value="shanghai">上海</option>
                    <option value="zhengzhou">郑州</option>
                </select>
            </p>

            <p>
                曾居住地:
                <select name="cities" v-model="cities" multiple>
                    <option value="beijing">北京</option>
                    <option value="shanghai">上海</option>
                    <option value="zhengzhou">郑州</option>
                </select>
            </p>

        </form>
    </div>

    <script src="./vue.js"></script>
    <script>
        
        new Vue({
            el: '#app',
            data: {
                fullName: '朱帅旗',
                marry: false,
                hobby: [],
                city: '',
                cities: []
            }
        });
    
    </script>
</body>
</html>
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转载自blog.csdn.net/qq_45802159/article/details/103817315