📄 login_confirm.jsp
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<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="errorpage.jsp" %>
<%@ page import="stu.*"%>
<html>
<head>
<title>登陆检验</title>
</head>
<body>
<jsp:useBean id="ss" scope="page" class="stu.login">
<jsp:setProperty name="ss" property="*" />
</jsp:useBean>
<jsp:useBean id="db" scope="page" class="stu.sqlBean"/>
<%
String sql="";
String kind=ss.getKind();
String pw="";
ResultSet rs =null;
String id=ss.getId();
sql="select password from "+kind+" where id='"+id+"' " ;
rs=db.executeQuery(sql);
if(rs.next()){
pw=rs.getString("password");}
if(ss.getPassword().equals(pw))
{
session.setAttribute("id",String.valueOf(id));
int flag=ss.getFlag();
out.print(flag);
switch (flag){
case 1: response.sendRedirect("student.jsp");
break;
case 2: response.sendRedirect("teacher.jsp");
break;
case 3: response.sendRedirect("admin.jsp");
break;
}
}
else {
String message= "登陆失败，用户名或密码有误！！";
session.setAttribute("error",String.valueOf(message));
response.sendRedirect("login.jsp");}
%>
</body>
</html>
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