} else { $sql = "UPDATE `contact` SET `times` ='{$times}' ,`content`='{$content}' WHERE `id` = '1' "; $pdo->execute($sql); } ?> <script type="text/javascript" language="javascript"> window.location.href="contact.php"; </script> <?php } ?> <?php //用户管理 if ($table == 'admin') { $username = $_POST['username']; $password = md5($_POST['password1']); $pdo = new PdoMySQL(); $sql = "UPDATE `admin` SET `username` ='{$username}' ,`password` = '{$password}' WHERE `id` = 1 "; $pdo->execute($sql); echo "修改成功,3秒后跳转到登录页面!<meta http-equiv='refresh' content='3;url=login.php'/>"; } ?>