1 <script type="text/javascript" src="http://www.mamicode.com/js/jquery-1.7.2.min.js"></script> 2 <script type="text/javascript"> 3     $(function(){ 4        $("#bb").click(function(){ 5           alert("数据库连接成功"); 6        }); 7     }); 8 </script> 9 <?php10 /**11  * Created by PhpStorm.12  * User: catoox13  * Date: 2015/1/1214  * Time: 16:1815  */16 @$conn=mysql_connect("localhost","root","123456");17 if(!$conn){18     die("数据库链接失败！！".mysql_error());19 }else{20     echo"数据库连接成功";21     echo"<input type=‘button‘ id=‘bb‘ value=http://www.mamicode.com/‘show text‘/>";22 }