<%@ page import="java.text.SimpleDateFormat" %>
<%@ page import="java.util.Date" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
// Hard-coded credentials
String validUsername = "pk";
String validPassword = "123";
// Variables for handling login state
boolean loginAttempt = request.getParameter("username") != null && request.getParameter("password") != null;
boolean loginSuccess = false;
boolean loginError = false;
// Check if login form was submitted
if (loginAttempt) {
String username = request.getParameter("username");
String password = request.getParameter("password");
// Validate credentials
if (validUsername.equals(username) && validPassword.equals(password)) {
loginSuccess = true;
} else {
loginError = true;
}
}
%>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="ISO-8859-1">
<title>Login Page</title>
</head>
<body>
<% if (!loginAttempt || loginError) { %>
<!-- Display login form if not logged in or login failed -->
<h2>Login Page</h2>
<form action="loginjsp.jsp" method="post">
Username:
<input type="text" name="username" required><br><br>
Password:
<input type="password" name="password" required><br><br>
<input type="submit" value="Login">
</form>
<!-- Display error message if login failed -->
<% if (loginError) { %>
<p style="color: red;">Invalid username or password! Please try again.</p>
<% } %>
<% } else if (loginSuccess) { %>
<!-- Display welcome message if login was successful -->
<h1>Welcome, <%= request.getParameter("username") %>!</h1>
<%
// Display current date and time
SimpleDateFormat formatter = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");
Date date = new Date();
%>
<p>Current Date and Time: <%= formatter.format(date) %></p>
<% } %>
</body>
</html>