~yhj/HM_JK.git - Gitblit

			@@ -676,8 +676,8 @@
			new("P_ID", id, System.Data.DbType.Decimal, ParameterDirection.Input),
			new("P_NO", no, System.Data.DbType.String, ParameterDirection.Input),
			new("P_USER", user, System.Data.DbType.String, ParameterDirection.Input),
			new("P_MNUM", mnum ?? 1, System.Data.DbType.Decimal, ParameterDirection.Input),
			new("P_DNUM", dnum ?? "", System.Data.DbType.String, ParameterDirection.Input),
			new("P_MNUM", mnum, System.Data.DbType.Decimal, ParameterDirection.Input),
			new("P_DNUM", dnum, System.Data.DbType.String, ParameterDirection.Input),
			outputResult,
			outputMessage
			};
			@@ -735,6 +735,234 @@
			{
			throw new Exception(ex.Message);
			}
			}

			/// <summary>
			/// 获取附件信息
			/// </summary>
			/// <param name="itemNo">物料编码</param>
			/// <returns>附件列表</returns>
			public List<QamftpDto> GetAttachments(string itemNo, string projName = null)
			{
			var db = SqlSugarHelper.GetInstance();
			try
			{
			var query = db.Queryable<MesQamftp>()
			.Where(x => x.ItemNo == itemNo)
			.Where(x => x.Ftype == "首检");

			// 如果传入了projName，则按Fversion过滤
			if (!string.IsNullOrEmpty(projName))
			{
			query = query.Where(x => x.Fversion == projName);
			}

			return query.OrderBy(x => x.Fdate, OrderByType.Desc)
			.Select(x => new QamftpDto
			{
			Id = x.Id,
			itemNo = x.ItemNo,
			Ftype = x.Ftype,
			Fattach = x.Fattach,
			Fversion = x.Fversion,
			Fdate = x.Fdate,
			CreateBy = x.CreateBy,
			CreateDate = x.CreateDate,
			Company = x.Company,
			Factory = x.Factory,
			F_type = x.F_type,
			LastupdateBy = x.LastupdateBy,
			LastupdateDate = x.LastupdateDate,
			ItemId = x.ItemId,
			Pid = x.Pid
			}).ToList();
			}
			catch (Exception ex)
			{
			throw new Exception($"查询附件信息失败: {ex.Message}");
			}
			}

			/// <summary>
			/// 从FTP服务器获取文件（首检使用OPC目录）
			/// </summary>
			/// <param name="itemNo">物料编码</param>
			/// <param name="fileName">文件名</param>
			/// <param name="ftpServer">FTP服务器地址</param>
			/// <param name="projName">项目名称</param>
			/// <returns>文件字节数组</returns>
			public byte[] GetFtpFile(string itemNo, string fileName, string ftpServer, string projName = null)
			{
			// 参数验证
			if (string.IsNullOrEmpty(itemNo) \|\| string.IsNullOrEmpty(fileName) \|\| string.IsNullOrEmpty(ftpServer))
			{
			throw new ArgumentException("参数不能为空: itemNo, fileName, ftpServer");
			}

			string ftpUser = "hm_ftp";
			string ftpPwd = "dell_123";

			// 标准化FTP服务器地址
			string normalizedServer = NormalizeFtpServer(ftpServer);

			// 构建FTP文件路径 - 首检使用OPC目录，如果传入了projName则使用新格式
			string ftpPath;
			if (!string.IsNullOrEmpty(projName))
			{
			ftpPath = $"{normalizedServer}/OPC/{itemNo}/{projName}/{fileName}";
			}
			else
			{
			ftpPath = $"{normalizedServer}/OPC/{itemNo}/{fileName}";
			}

			try
			{
			var request = (System.Net.FtpWebRequest)System.Net.WebRequest.Create(ftpPath);
			request.Method = System.Net.WebRequestMethods.Ftp.DownloadFile;
			request.Credentials = new System.Net.NetworkCredential(ftpUser, ftpPwd);
			request.UseBinary = true;
			request.UsePassive = false;
			request.Timeout = 30000; // 30秒超时
			request.ReadWriteTimeout = 30000;

			using (var response = (System.Net.FtpWebResponse)request.GetResponse())
			using (var ftpStream = response.GetResponseStream())
			using (var ms = new System.IO.MemoryStream())
			{
			if (ftpStream == null)
			{
			throw new Exception("FTP响应流为空");
			}

			ftpStream.CopyTo(ms);
			var fileBytes = ms.ToArray();

			if (fileBytes.Length == 0)
			{
			return null; // 文件为空或不存在
			}

			return fileBytes;
			}
			}
			catch (System.Net.WebException ex)
			{
			if (ex.Response is System.Net.FtpWebResponse ftpResponse)
			{
			switch (ftpResponse.StatusCode)
			{
			case System.Net.FtpStatusCode.ActionNotTakenFileUnavailable:
			return null; // 文件不存在
			case System.Net.FtpStatusCode.NotLoggedIn:
			throw new Exception("FTP认证失败，请检查用户名和密码");
			case System.Net.FtpStatusCode.ActionNotTakenFilenameNotAllowed:
			throw new Exception("文件名不被允许或路径无效");
			default:
			throw new Exception($"FTP错误 ({ftpResponse.StatusCode}): {ftpResponse.StatusDescription}");
			}
			}

			// 处理超时和网络错误
			if (ex.Status == System.Net.WebExceptionStatus.Timeout)
			{
			throw new Exception("FTP连接超时，请稍后重试");
			}

			throw new Exception($"FTP连接失败: {ex.Message}");
			}
			catch (Exception ex)
			{
			throw new Exception($"获取文件失败: {ex.Message}");
			}
			}

			/// <summary>
			/// 标准化FTP服务器地址
			/// </summary>
			/// <param name="ftpServer">FTP服务器地址</param>
			/// <returns>标准化后的FTP服务器地址</returns>
			private string NormalizeFtpServer(string ftpServer)
			{
			if (string.IsNullOrEmpty(ftpServer))
			{
			throw new ArgumentException("FTP服务器地址不能为空");
			}

			// 确保以ftp://开头
			string normalizedServer = ftpServer.StartsWith("ftp://") ? ftpServer : $"ftp://{ftpServer}";

			// 特殊处理已知服务器地址
			if (normalizedServer == "ftp://36.26.21.214")
			{
			normalizedServer = "ftp://36.26.21.214:21";
			}
			else if (!normalizedServer.Contains(":") && normalizedServer.StartsWith("ftp://"))
			{
			normalizedServer += ":21"; // 默认FTP端口
			}

			// 开发环境使用本地服务器
			normalizedServer = "ftp://192.168.1.22:21";

			return normalizedServer;
			}

			/// <summary>
			/// 获取文件的内容类型
			/// </summary>
			/// <param name="fileName">文件名</param>
			/// <returns>MIME类型</returns>
			public string GetContentType(string fileName)
			{
			if (string.IsNullOrEmpty(fileName))
			return "application/octet-stream";

			var extension = System.IO.Path.GetExtension(fileName).ToLower();

			return extension switch
			{
			// PDF文件
			".pdf" => "application/pdf",

			// 图片文件
			".jpg" or ".jpeg" => "image/jpeg",
			".png" => "image/png",
			".gif" => "image/gif",
			".bmp" => "image/bmp",
			".webp" => "image/webp",
			".svg" => "image/svg+xml",
			".ico" => "image/x-icon",

			// 文本文件
			".txt" => "text/plain",
			".log" => "text/plain",
			".md" => "text/markdown",
			".html" or ".htm" => "text/html",
			".css" => "text/css",
			".js" => "application/javascript",
			".json" => "application/json",
			".xml" => "application/xml",

			// Office文档
			".doc" => "application/msword",
			".docx" => "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
			".xls" => "application/vnd.ms-excel",
			".xlsx" => "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
			".ppt" => "application/vnd.ms-powerpoint",
			".pptx" => "application/vnd.openxmlformats-officedocument.presentationml.presentation",

			// 其他常见格式
			".csv" => "text/csv",
			".zip" => "application/zip",
			".rar" => "application/x-rar-compressed",
			".7z" => "application/x-7z-compressed",
			".tar" => "application/x-tar",
			".gz" => "application/gzip",

			// 默认
			_ => "application/octet-stream"
			};
			}

			/// <summary>
			@@ -800,4 +1028,127 @@

			return result;
			}

			/// <summary>
			/// 上传图片到检验项目的PICTURE字段
			/// </summary>
			/// <param name="id">检验项目ID</param>
			/// <param name="imageBytes">图片字节数组</param>
			/// <param name="fileName">原始文件名</param>
			/// <param name="createBy">创建人</param>
			/// <returns>操作结果</returns>
			public (int status, string message) UploadImageToPicture(decimal id, byte[] imageBytes, string fileName, string createBy)
			{
			try
			{
			if (imageBytes == null \|\| imageBytes.Length == 0)
			{
			return (1, "图片数据为空");
			}

			if (string.IsNullOrEmpty(fileName))
			{
			return (1, "文件名为空");
			}

			// 验证图片格式
			var allowedExtensions = new[] { ".jpg", ".jpeg", ".png", ".gif", ".bmp", ".webp" };
			var extension = System.IO.Path.GetExtension(fileName).ToLower();
			if (!allowedExtensions.Contains(extension))
			{
			return (1, "不支持的图片格式，仅支持：jpg, jpeg, png, gif, bmp, webp");
			}

			// 验证图片大小（限制为5MB）
			if (imageBytes.Length > 5 * 1024 * 1024)
			{
			return (1, "图片大小不能超过5MB");
			}

			// 生成时间戳文件名，格式：1746945271304.jpg
			var timestamp = DateTimeOffset.Now.ToUnixTimeMilliseconds();
			var timestampFileName = $"{timestamp}{extension}";

			var result = SqlSugarHelper.UseTransactionWithOracle(db =>
			{
			// 检查检验项目是否存在
			var exists = db.Queryable<QsItemIpiItem>()
			.Where(s => s.Id == id)
			.Any();

			if (!exists)
			{
			throw new Exception("检验项目不存在");
			}

			// 更新PICTURE字段（LONG RAW类型）和PICTURENAME字段（时间戳文件名）
			var updateResult = db.Updateable<QsItemIpiItem>()
			.SetColumns(s => s.Picture == imageBytes)
			.SetColumns(s => s.Picturename == timestampFileName)
			.Where(s => s.Id == id)
			.ExecuteCommand();

			return updateResult;
			});

			if (result > 0)
			{
			return (0, "图片保存成功");
			}
			else
			{
			return (1, "图片保存失败，未找到对应的检验项目");
			}
			}
			catch (Exception ex)
			{
			return (1, $"图片保存失败：{ex.Message}");
			}
			}

			/// <summary>
			/// 删除检验项目的图片
			/// </summary>
			/// <param name="id">检验项目ID</param>
			/// <returns>操作结果</returns>
			public (int status, string message) DeleteImageFromPicture(decimal id)
			{
			try
			{
			var result = SqlSugarHelper.UseTransactionWithOracle(db =>
			{
			// 检查检验项目是否存在
			var exists = db.Queryable<QsItemIpiItem>()
			.Where(s => s.Id == id)
			.Any();

			if (!exists)
			{
			throw new Exception("检验项目不存在");
			}

			// 清空PICTURE字段和PICTURENAME字段
			var updateResult = db.Updateable<QsItemIpiItem>()
			.SetColumns(s => s.Picture == null)
			.SetColumns(s => s.Picturename == null)
			.Where(s => s.Id == id)
			.ExecuteCommand();

			return updateResult;
			});

			if (result > 0)
			{
			return (0, "图片删除成功");
			}
			else
			{
			return (1, "图片删除失败，未找到对应的检验项目");
			}
			}
			catch (Exception ex)
			{
			return (1, $"图片删除失败：{ex.Message}");
			}
			}
			}