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📄 changepsw.jsp

📁 题库管理系统,用最新的jsp技术开发的,里面有一些比较好的方法,希望与大家共享
💻 JSP
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<%@page contentType="text/html"%><%@page pageEncoding="GB2312"%><%@page import="TiKuMS.*"%><%@include file="checkLogin.jsp"%><%   String errorMsg="";   if(request.getParameter("oldPassword")!=null && request.getParameter("newPassword").compareTo(request.getParameter("rePassword"))==0)   {       String oldPassword=new MD5(request.getParameter("oldPassword")).compute();       String newPassword=new MD5(request.getParameter("newPassword")).compute();       String sql="select password from "+((LoginInfo)session.getAttribute("loginInfo")).getUserType()+" where "+((LoginInfo)session.getAttribute("loginInfo")).getUserType()+"ID="+((LoginInfo)session.getAttribute("loginInfo")).getUserID();       DataConnection dataConn=new DataConnection();       dataConn.excuteQuery(sql);       if(dataConn.getRs().next())       {           if(dataConn.getRs().getString("password").compareTo(oldPassword)==0)           {               sql="update "+((LoginInfo)session.getAttribute("loginInfo")).getUserType()+" set password='"+newPassword+"' where "+((LoginInfo)session.getAttribute("loginInfo")).getUserType()+"ID="+((LoginInfo)session.getAttribute("loginInfo")).getUserID();               dataConn.excute(sql);               errorMsg="密码修改成功!";           }           else           {               errorMsg="密码修改失败,您输入的原密码不正确!";           }       }   }%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"   "http://www.w3.org/TR/html4/loose.dtd"><html>    <head>        <meta http-equiv="Content-Type" content="text/html; charset=GB2312">        <title>阳光题库管理系统</title>    </head>    <body>        <table border="0" width="500" align="center">                <tr>                    <td><%@include file="header.jsp"%></td>                </tr>                <tr>                    <td>                       <fieldset>                           修改密码:                           <div align="center"><font color="#ff0000"><%=errorMsg%></font></div>                           <form name="changePswForm" method="POST">                           <div>                               <ul>                                   <li>                                       原密码:<input type="password" name="oldPassword" />                                   </li>                                   <li>                                       新密码:<input type="password" name="newPassword" />                                   </li>                                   <li>                                       确认新密码:<input type="password" name="rePassword" />                                   </li>                                   <li>                                       <input type="submit" value="确定" />                                   </li>                               </ul>                           </div>                           </form>                       </fieldset>                    </td>                </tr>                <tr>                    <td><%@include file="footer.jsp"%></td>                </tr>        </table>    </body></html>

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