前端 HTML form表单标签 input标签 type属性 checkbox 多选框

 

 

 

多选框

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="x-ua-compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Title</title>
</head>
<body>
    <form action="http://www.baidu.com" method="get">
        <div>
            <!-- 复选框 -->
            <p>
                用户爱好:
                羽毛球<input type="checkbox" value="1">
                篮球<input type="checkbox" value="2">
                足球<input type="checkbox" value="3">
                读书<input type="checkbox" value="4">
            </p>

        </div>
        <input type="submit" value="提交">
    </form>
</body>
</html>

 

 

 

name属性设置为一样，这样后台就知道用户选中了几个

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="x-ua-compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Title</title>
</head>
<body>
    <form action="http://www.baidu.com" method="get">
        <div>
            <!-- 复选框 -->
            <p>
                用户爱好:
                羽毛球<input type="checkbox" name="favor" value="1">
                篮球<input type="checkbox" name="favor" value="2">
                足球<input type="checkbox" name="favor" value="3">
                读书<input type="checkbox" name="favor" value="4">
            </p>

        </div>
        <input type="submit" value="提交">
    </form>
</body>
</html>

 

 url上传递name属性相同

 

 

加上checked 让这个选项默认被选中
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="x-ua-compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Title</title>
</head>
<body>
    <form action="http://www.baidu.com" method="get">
        <div>
            <!-- 复选框 -->
            <p>
                用户爱好:
                羽毛球<input type="checkbox" name="favor" value="1" checked>
                篮球<input type="checkbox" name="favor" value="2">
                足球<input type="checkbox" name="favor" value="3">
                读书<input type="checkbox" name="favor" value="4">
            </p>

        </div>
        <input type="submit" value="提交">
    </form>
</body>
</html>

 

 

 

posted @ 2019-04-02 18:27  minger_lcm  阅读(2387)  评论(0)  编辑  收藏  举报