源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://apps.bdimg.com/libs/jquerymobile/1.4.5/jquery.mobile-1.4.5.min.css"> <script src="https://apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script> <script src="https://apps.bdimg.com/libs/jquerymobile/1.4.5/jquery.mobile-1.4.5.min.js"></script> </head> <body> <div data-role="page"> <div data-role="header"> <h1>选择菜单</h1> </div> <div data-role="main" class="ui-content"> <form method="post" action="demoform.asp"> <fieldset data-role="fieldcontain"> <label for="day">选择天</label> <select name="day" id="day"> <option value="mon">星期一</option> <option value="tue">星期二</option> <option value="wed">星期三</option> <option value="thu">星期四</option> <option value="fri">星期五</option> <option value="sat">星期六</option> <option value="sun">星期日</option> </select> </fieldset> <input type="submit" data-inline="true" value="提交"> </form> </div> </div> </body> </html>
运行结果