coding
creation of login web page using servlet database connectivity
View Answers
February 3, 2011 at 12:10 PM
Hi Friend,
Try this:
1)login.jsp:
<html> <form name="form" method="post" action="../Login1" > <table> <tr><td>Username:</td><td><input type="text" name="user"></td></tr> <tr><td>Password:</td><td><input type="password" name="pass"></td></tr> <tr><td></td><td><input type="submit" value="Submit"></td></tr> </table> </form> </html>
2)Login1.java:
import java.io.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Login1 extends HttpServlet implements Servlet {
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out=response.getWriter();
String user=request.getParameter("user");
String pass=request.getParameter("pass");
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con = DriverManager.getConnection("jdbc:odbc:student");
Statement st=con.createStatement();
ResultSet rs=st.executeQuery("select * from login where uname='"+user+"' and password='"+pass+"'");
int count=0;
while(rs.next())
{
count++;
}
if(count>0)
{
out.println("welcome "+user);
}
else
{
response.sendRedirect("/examples/jsp/login.jsp");
}
}
catch(Exception e){
System.out.println(e);
}
}
}
Thanks
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