📄 login_comform.jsp
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<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>
<html>
<body>
<%
String username="";
String password="";
boolean checklogin=false;
String invisible="";
username=request.getParameter("username");
password=request.getParameter("password");
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=dengfen";
String user="sa";
String dbpassword="123";
Connection conn= DriverManager.getConnection(url,user,dbpassword);
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from ad where username='"+username+"'";
ResultSet rs=stmt.executeQuery(sql);
String password1="";
if(rs.next())
{
password1=rs.getString(2);
}
if(password1.equals(password))
{checklogin=true;}
else
{checklogin=false;}
if(checklogin==true)
{
session.setAttribute("username",""+username);
//session.setAttribute("invisible",""+invisible);
response.sendRedirect("main.jsp");
}else{
response.sendRedirect("login.jsp?success=0");
}
rs.close();
stmt.close();
conn.close();
%>
</body>
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