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Sistema de login simples (SEM CRIPTOGRAFIA) usando PHP
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| <?php | |
| $usuario = 'root'; | |
| $senha = ''; | |
| $database = 'login'; | |
| $host = 'localhost'; | |
| $mysqli = new mysqli($host, $usuario, $senha, $database); | |
| if($mysqli->error) { | |
| die("Falha ao conectar ao banco de dados: " . $mysqli->error); | |
| } |
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| <?php | |
| include('conexao.php'); | |
| if(isset($_POST['email']) || isset($_POST['senha'])) { | |
| if(strlen($_POST['email']) == 0) { | |
| echo "Preencha seu e-mail"; | |
| } else if(strlen($_POST['senha']) == 0) { | |
| echo "Preencha sua senha"; | |
| } else { | |
| $email = $mysqli->real_escape_string($_POST['email']); | |
| $senha = $mysqli->real_escape_string($_POST['senha']); | |
| $sql_code = "SELECT * FROM usuarios WHERE email = '$email' AND senha = '$senha'"; | |
| $sql_query = $mysqli->query($sql_code) or die("Falha na execução do código SQL: " . $mysqli->error); | |
| $quantidade = $sql_query->num_rows; | |
| if($quantidade == 1) { | |
| $usuario = $sql_query->fetch_assoc(); | |
| if(!isset($_SESSION)) { | |
| session_start(); | |
| } | |
| $_SESSION['id'] = $usuario['id']; | |
| $_SESSION['nome'] = $usuario['nome']; | |
| header("Location: painel.php"); | |
| } else { | |
| echo "Falha ao logar! E-mail ou senha incorretos"; | |
| } | |
| } | |
| } | |
| ?> | |
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Login</title> | |
| </head> | |
| <body> | |
| <h1>Acesse sua conta</h1> | |
| <form action="" method="POST"> | |
| <p> | |
| <label>E-mail</label> | |
| <input type="text" name="email"> | |
| </p> | |
| <p> | |
| <label>Senha</label> | |
| <input type="password" name="senha"> | |
| </p> | |
| <p> | |
| <button type="submit">Entrar</button> | |
| </p> | |
| </form> | |
| </body> | |
| </html> |
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| <?php | |
| if(!isset($_SESSION)) { | |
| session_start(); | |
| } | |
| session_destroy(); | |
| header("Location: index.php"); |
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| <?php | |
| include('protect.php'); | |
| ?> | |
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Painel</title> | |
| </head> | |
| <body> | |
| Bem vindo ao Painel, <?php echo $_SESSION['nome']; ?>. | |
| <p> | |
| <a href="logout.php">Sair</a> | |
| </p> | |
| </body> | |
| </html> |
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| <?php | |
| if(!isset($_SESSION)) { | |
| session_start(); | |
| } | |
| if(!isset($_SESSION['id'])) { | |
| die("Você não pode acessar esta página porque não está logado.<p><a href=\"index.php\">Entrar</a></p>"); | |
| } | |
| ?> |
Muito bom!!! Visite o meu site para aprender um pouco mais de criptografia
https://thiagosousa81.wordpress.com/home/serie-windows-powershell/
Caso tenha interesse em participar da construção da página, envie um e-mail para [email protected]
perfeito, bem oque eu estava precisando
Muito bom!!! Excelente video
galera me perdoe a ignorancia mas como conecto a tabela do banco de dados já existente
Muito bem meu camarada. Show de bola esse sistema.
Eu tinha feito de um outro jeito mas mas dava alguns bugs, e esse ficou melhor.
Me ajudou bastante!
maravilha, e bem didatico.
tcc agradece, meu grande amigo é nós pae
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