prepare("INSERT INTO users (username, password, email, role) VALUES (?, ?, ?, 'user')"); $stmt->execute([$username, $hashed, $email]); $success = '注册成功，请登录'; } catch (PDOException $e) { $error = '用户名或邮箱已存在'; } } } $page_title = '注册 - 豪软世界'; require_once 'includes/header.php'; ?>

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