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index.jsp
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<%@ page import="src.model.ConnectionModel" %>
<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.PreparedStatement" %>
<%@ page import="java.sql.ResultSet" %><%
// Obtenemos la sesion
String action = request.getParameter("action");
if (action != null && action.equals("login")) {
// Obtenemos los datos del formulario
String userLogin = request.getParameter("user_login");
String passwordLogin = request.getParameter("password_login");
ConnectionModel connModel = new ConnectionModel();
Connection conn = connModel.getConnection();
PreparedStatement stmt = null;
int num_users = 0;
// Consulta a la base de datos
if (conn != null) { // Si la conexión fue exitosa compruebo que el usuario y contraseña sean correctos
try {
stmt = conn.prepareStatement("SELECT COUNT(*) AS num_user FROM users WHERE username = ? AND password = ?");
stmt.setString(1, userLogin);
stmt.setString(2, passwordLogin);
ResultSet rs = stmt.executeQuery();
if (rs.next()) {
num_users = rs.getInt("num_user");
}
rs.close();
stmt.close();
conn.close();
} catch (Exception e) {
}
}
// Si el usuario no existe, muestro un mensaje de error y si no redirijo a la página principal
if (num_users == 0) {
session.setAttribute("message", "Datos de inicio de sesion incorrectos");
} else {
response.sendRedirect("indexConten.jsp?action=showMovies");
}
}
%>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html lang="es">
<head>
<meta charset="UTF-8">
<title>CineScope</title>
<link rel="icon" href="img/logo.png" type="image/x-icon">
<link rel="stylesheet" href="styles/style.css">
<% // Mensaje de error
String message = (String) session.getAttribute("message");
if (message != null) {
%>
<script>
alert('<%= message %>');
</script>
<%
session.removeAttribute("message");
}
%>
</head>
<body id="bodyLogin">
<!-- Formulario de inicio de sesion -->
<div id="login">
<h1>Iniciar sesion</h1><br/>
<form action="index.jsp?action=login" method="post">
<input type="text" id="user_login" name="user_login" placeholder="user" required><br>
<input type="password" id="password_login" name="password_login" placeholder="password" required>
<button type="submit">Iniciar sesion</button><br>
<a href="register.jsp">Registrarse</a>
</form>
</div>
</body>
</html>