📄 login.jsp
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<%@page contentType="text/html"%><%@page pageEncoding="GB2312"%><%@page import="TiKuMS.*"%><jsp:useBean id="loginInfo" scope="session" class="TiKuMS.LoginInfo"/><% String errorMsg=""; if(request.getParameter("errorMsg")!=null) { errorMsg=request.getParameter("errorMsg"); } if(request.getParameter("userType")!=null) { String sql="select "+request.getParameter("userType")+"ID,password from "+request.getParameter("userType")+" where name='"+request.getParameter("userName")+"'"; DataConnection dataConn=new DataConnection(); dataConn.excuteQuery(sql); if(dataConn.getRs().next()) { if(dataConn.getRs().getString("password").compareTo(new MD5(request.getParameter("password")).compute())==0) { ((LoginInfo)session.getAttribute("loginInfo")).login(dataConn.getRs().getInt(request.getParameter("userType")+"ID"),request.getParameter("userName"),request.getParameter("userType")); response.sendRedirect("index.jsp"); } else { errorMsg="密码错误！"; } } else { errorMsg="该帐号不存在！"; } }%><!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" align="center"> <tr> <td><%@include file="header.jsp"%></td> </tr> <tr> <td> <fieldset> 用户登录 <div align="center"><font color="#ff0000"><%=errorMsg%></font></div> <form name="loginForm" action="login.jsp" method="POST"> <div> <ul> <li> 帐号：<input type="text" name="userName" /> </li> <li> 密码：<input type="password" name="password" /> </li> <li> 用户类型：<select name="userType"> <option value="student">学生</option> <option value="teacher">教师</option> <option value="master">管理员</option> </select> <input type="submit" value="登录" /> </li> </ul> </div> </form> </fieldset> </td> </tr> <tr> <td><%@include file="footer.jsp"%></td> </tr> </table> </body></html>⌨️ 快捷键说明
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