index.html
<html>
<head><title>Login Form</title>
</head>
<form action="LoginServlet" >
Enter User ID<input type="text" name="txtId"><br><br>
Enter Password<input type="password" name="txtPass"><br><br>
<input type="reset" value="Reset">
<input type="submit" value=" Click to Login " >
</form>
</html>
LoginServlet.java
package mypack;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.RequestDispatcher;
public class LoginServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
out.println("<html><head>");
out.println("<title>Servlet LoginServlet</title></head>");
String uname = request.getParameter("txtId");
String upass = request.getParameter("txtPass");
if(uname.equals("admin") && upass.equals("servlet"))
{
RequestDispatcher rd = request.getRequestDispatcher("Welcomel.html");
rd.forward(request, response);
}
else
{
out.println("<body bgcolor=red >");
out.println("<h1> Login Fail !!! </h1>");
RequestDispatcher rd = request.getRequestDispatcher("index.html");
rd.include(request, response);
}
out.println("</body>");
out.println("</html>");
}
}
Welcome1.html
<html>
<head>
<title>welcome</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0"> </head>
<body bgcolor="blue">
<h1>Welcome Servlet </h1>
</body>
</html>
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