index.html
<html>
<head>
<title>Login Form</title>
</head>
<form action="LoginServlet" >
Enter UserName :<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>
CalculatorServlet.java
package mypack;
import java.io.*;
import
javax.servlet.ServletException;
import javax.servlet.http.*;
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><title>Servlet
LoginServlet</title></head>");
String uname =
request.getParameter("txtId");
String upass = request.getParameter("txtPass");
if(uname.equals("Rupam")
&& upass.equals("12345"))
{
out.println("<body bgcolor=blue >");
out.println("<h1>
Welcome !!! "+uname+"</h1>");
}
else
{
out.println("<body bgcolor=red >");
out.println("<h1> Login Fail !!! </h1>");
}
out.println("</body></html>");
}
}
Output:-
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