prepare("SELECT level FROM users WHERE id = ?"); $stmt->bind_param("i", $currentUserId); $stmt->execute(); $result = $stmt->get_result(); $userData = $result->fetch_assoc(); $stmt->close(); // 检查是否为管理员(等级4) if ($userData['level'] != 4) { die("权限不足!"); } // 处理删除用户逻辑 if ($_SERVER["REQUEST_METHOD"] == "POST") { $userId = $_POST['user_id']; // 先删除关联的玩家数据 $stmt = $conn->prepare("DELETE FROM players WHERE user_id = ?"); $stmt->bind_param("i", $userId); $stmt->execute(); $stmt->close(); // 再删除用户 $stmt = $conn->prepare("DELETE FROM users WHERE id = ?"); $stmt->bind_param("i", $userId); if ($stmt->execute()) { echo "用户删除成功!"; } else { echo "删除失败:" . $stmt->error; } $stmt->close(); } $conn->close(); ?>