W3School TIY
编辑您的代码：
<!DOCTYPE html> <html> <head> <link rel="stylesheet" href="../../code.jquery.com/mobile/1.3.2/jquery.mobile-1.3.2.min.css" tppabs="http://code.jquery.com/mobile/1.3.2/jquery.mobile-1.3.2.min.css"> <script src="../../code.jquery.com/jquery-1.8.3.min.js" tppabs="http://code.jquery.com/jquery-1.8.3.min.js"></script> <script src="../../code.jquery.com/mobile/1.3.2/jquery.mobile-1.3.2.min.js" tppabs="http://code.jquery.com/mobile/1.3.2/jquery.mobile-1.3.2.min.js"></script> </head> <body> <div data-role="page"> <div data-role="header"> <h1>选择菜单</h1> </div> <div data-role="content"> <form method="post" action="http://w3c.80zhan.com/tiy/demoform.asp"> <fieldset data-role="fieldcontain"> <label for="day">选择天</label> <select name="day" id="day"> <optgroup label="工作日"> <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> </optgroup> <optgroup label="周末"> <option value="sat">星期六</option> <option value="sun">星期日</option> </optgroup> </select> </fieldset> <input type="submit" data-inline="true" value="提交"> </form> </div> </div> </body> </html>
查看结果: