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.php"> <div class="ui-field-contain"> <label for="day">选择日期</label> <select name="day" id="day"> <option value="mon">Monday</option> <option value="tue">Tuesday</option> <option value="wed" selected>Wednesday</option> <option value="thu">Thursday</option> <option value="fri">Friday</option> <option value="sat">Saturday</option> <option value="sun">Sunday</option> </select> </div> <input type="submit" data-inline="true" value="提交"> </form> </div> </div> </body> </html>
运行结果