/// <summary>
/// 获取指定 project 下的文件列表
/// </summary>
public void GetFilesByProject()
{
string returnMsg = string.Empty;
int errorCode = 0;
// 校验参数
string[] parametersRequired = { "projectId" };
if (!CheckParamsRequired(parametersRequired, out errorCode, out returnMsg))
{
JsonResult <string> result = new JsonResult <string> {
Code = errorCode, Message = returnMsg, Rows = 0, Result = null
};
GenerateJson(result);
return;
}
string fileIconPath = Convert.ToString(ConfigurationManager.AppSettings["fileIconPath"]) ?? string.Empty;
FileHistoryBLL fileHistoryBLL = new FileHistoryBLL();
List <FileHistory> fileHistories = fileHistoryBLL.GetFileHistories(context, out errorCode);
// 如果有结果
if (fileHistories != null && fileHistories.Count() > 0)
{
List <FilesForTab> filesForTabs = new List <FilesForTab>();
foreach (var item in fileHistories)
{
FilesForTab file = new FilesForTab();
file.categoryId = item.PARENTID;
file.fileHistoryId = item.ID;
file.fileName = item.FILENAME;
file.fileExt = item.FILEEXTENSION;
file.fileIconPath = string.Format("{0}{1}", fileIconPath, FileIconHelper.GetFileIcon(item.FILEEXTENSION));
file.description = item.DESCRIPTION;
filesForTabs.Add(file);
}
string message = ErrorCode.GetCodeMessage(errorCode);
JsonResult <FilesForTab> result = new JsonResult <FilesForTab> {
Code = errorCode, Message = message, Rows = filesForTabs.Count, Result = filesForTabs
};
GenerateJson(result);
return;
}
// 结果集为空
else
{
string message = ErrorCode.GetCodeMessage(errorCode);
JsonResult <string> result = new JsonResult <string> {
Code = errorCode, Message = message, Rows = 0, Result = null
};
GenerateJson(result);
return;
}
}
private void PreviewFile()
{
string fileHistoryId = Request["fileHistoryId"];
try
{
int errorCode = 0;
string actPath = string.Empty;
string taskRootFolder = string.Empty;
string taskFolderWithoutEmpNo = string.Empty;
// 根据 ID 获取到 fileHistory 对象
FileHistory fileHistory = new FileHistoryBLL().GetModel(fileHistoryId);
DataTable dtPrjIdAndCategory = new FileCategoryBLL().GetProjectIdByFileHistoryId(fileHistoryId).Tables[0];
string projectId = Convert.ToString(dtPrjIdAndCategory.Rows[0]["PROJECTID"]);
string category = Convert.ToString(dtPrjIdAndCategory.Rows[0]["category"]);
string folderName = Convert.ToString(dtPrjIdAndCategory.Rows[0]["folderName"]);
bool flag = new FileCategoryBLL().GetFilePathByProjectId(projectId, category, folderName, false, out actPath, out taskRootFolder, out taskFolderWithoutEmpNo, out errorCode);
string physicalFileName = Path.Combine(actPath, fileHistory.FILENAME);
if (File.Exists(physicalFileName))
{
string extName = Path.GetExtension(physicalFileName).ToLower();
switch (extName)
{
case ".pdf":
PreviewPdf(physicalFileName);
break;
case ".txt":
PreviewText(physicalFileName);
break;
case ".jpg":
case ".png":
case ".bmp":
case ".jpeg":
case ".gif":
PreviewImage(physicalFileName);
break;
default:
return;
}
}
Response.Write("<h3>文件不存在！</h3>");
Response.End();
}
catch (Exception ex)
{
LogHelper.WriteLine($"文件{fileHistoryId}预览出错" + ex.Message);
Response.End();
}
}
public void PreviewFile()
{
string returnMsg = string.Empty;
int errorCode = 0;
// 校验参数
string[] parametersRequired = { "fileHistoryId" };
if (!CheckParamsRequired(parametersRequired, out errorCode, out returnMsg))
{
JsonResult <string> resultPra = new JsonResult <string> {
Code = errorCode, Message = returnMsg, Rows = 0, Result = null
};
GenerateJson(resultPra);
return;
}
string actPath = string.Empty;
string taskRootFolder = string.Empty;
string taskFolderWithoutEmpNo = string.Empty;
try
{
string fileHistoryId = context.Request["fileHistoryId"];
string previewFolder = ConfigurationManager.AppSettings["filePreviewFolder"].ToString();
// 根据 ID 获取到 fileHistory 对象
FileHistory fileHistory = new FileHistoryBLL().GetModel(fileHistoryId);
DataTable dtPrjIdAndCategory = new FileCategoryBLL().GetProjectIdByFileHistoryId(fileHistoryId).Tables[0];
string projectId = Convert.ToString(dtPrjIdAndCategory.Rows[0]["PROJECTID"]);
string category = Convert.ToString(dtPrjIdAndCategory.Rows[0]["category"]);
string folderName = Convert.ToString(dtPrjIdAndCategory.Rows[0]["folderName"]);
bool flag = new FileCategoryBLL().GetFilePathByProjectId(projectId, category, folderName, false, out actPath, out taskRootFolder, out taskFolderWithoutEmpNo, out errorCode);
string physicalFileName = Path.Combine(actPath, fileHistory.FILENAME);
if (File.Exists(physicalFileName))
{
System.Web.HttpServerUtility server = System.Web.HttpContext.Current.Server;
string previewHtmlFile = Path.Combine(previewFolder, fileHistory.ID + ".html");
LogHelper.WriteLine("previewHtmlFile Path: " + previewHtmlFile);
if (!File.Exists(previewHtmlFile))
{
string extName = Path.GetExtension(physicalFileName);
switch (extName)
{
case ".doc":
case ".docx":
//case ".rtf":
Office2HtmlHelper.Word2Html(physicalFileName, previewFolder, fileHistory.ID);
break;
case ".xls":
case ".xlsx":
Office2HtmlHelper.Excel2Html(physicalFileName, previewFolder, fileHistory.ID);
break;
default:
return;
}
}
List <PreviewResult> lstPre = new List <PreviewResult>();
if (File.Exists(previewHtmlFile))
{
string htmlFile = string.Format("/FilePreview/{0}.html", fileHistory.ID);
PreviewResult pre = new PreviewResult();
pre.previewUrl = htmlFile;
lstPre.Add(pre);
}
else
{
errorCode = 1;
returnMsg = "文件未能成功生成！";
}
JsonResult <PreviewResult> resultPre = new JsonResult <PreviewResult> {
Code = errorCode, Message = returnMsg, Rows = 0, Result = lstPre
};
GenerateJson(resultPre);
return;
}
errorCode = 6001;
returnMsg = ErrorCode.GetCodeMessage(errorCode);
JsonResult <string> result = new JsonResult <string> {
Code = errorCode, Message = returnMsg, Rows = 0, Result = null
};
GenerateJson(result);
return;
}
catch (Exception ex)
{
errorCode = 1;
LogHelper.WriteLine("预览生成出错：" + ex.Message + ex.StackTrace);
}
}
public void DownloadFile()
{
string returnMsg = string.Empty;
int errorCode = 0;
// 校验参数
string[] parametersRequired = { "fileHistoryId" };
if (!CheckParamsRequired(parametersRequired, out errorCode, out returnMsg))
{
JsonResult <string> resultPra = new JsonResult <string> {
Code = errorCode, Message = returnMsg, Rows = 0, Result = null
};
GenerateJson(resultPra);
return;
}
string actPath = string.Empty;
string taskRootFolder = string.Empty;
string taskFolderWithoutEmpNo = string.Empty;
string fileHistoryId = context.Request["fileHistoryId"];
// 根据 ID 获取到 fileHistory 对象
FileHistory fileHistory = new FileHistoryBLL().GetModel(fileHistoryId);
DataTable dtPrjIdAndCategory = new FileCategoryBLL().GetProjectIdByFileHistoryId(fileHistoryId).Tables[0];
string projectId = Convert.ToString(dtPrjIdAndCategory.Rows[0]["PROJECTID"]);
string category = Convert.ToString(dtPrjIdAndCategory.Rows[0]["category"]);
string folderName = Convert.ToString(dtPrjIdAndCategory.Rows[0]["folderName"]);
bool flag = new FileCategoryBLL().GetFilePathByProjectId(projectId, category, folderName, false, out actPath, out taskRootFolder, out taskFolderWithoutEmpNo, out errorCode);
string physicalFileName = Path.Combine(actPath, fileHistory.FILENAME);
if (File.Exists(physicalFileName))
{
string userId = UserProfile.GetInstance()?.ID;
string operateTypeName = "下载";
int operateTypeKey = new ConfigureBLL().GetConfig(ConfigTypeName.文件操作类型.ToString()).AsEnumerable().Where(item => item["configValue"].ToString() == operateTypeName).Select(item => Convert.ToInt32(item["configKey"])).FirstOrDefault();
FileOperationLog fileOperationLog = new FileOperationLog();
fileOperationLog.ID = Guid.NewGuid().ToString();
fileOperationLog.PROJECTID = projectId;
fileOperationLog.EMPLOYEEID = userId;
fileOperationLog.FILENAME = fileHistory.FILENAME;
fileOperationLog.OPERATETYPE = operateTypeKey;
fileOperationLog.OPERATEDATE = DateTime.Now;
fileOperationLog.OPERATECONTENT = operateTypeName + fileHistory.FILENAME;
fileOperationLog.OPERATEUSER = userId;
new FileOperationLogBLL().Add(fileOperationLog);
System.IO.Stream iStream = null;
// Buffer to read 10K bytes in chunk:
byte[] buffer = new Byte[10000];
// Length of the file:
int length;
// Total bytes to read.
long dataToRead;
// Identify the file to download including its path.
string filepath = physicalFileName;
// Identify the file name.
string filename = System.IO.Path.GetFileName(filepath);
try
{
// Open the file.
iStream = new System.IO.FileStream(filepath, System.IO.FileMode.Open,
System.IO.FileAccess.Read, System.IO.FileShare.Read);
// Total bytes to read.
dataToRead = iStream.Length;
context.Response.Clear();
context.Response.ClearHeaders();
context.Response.ClearContent();
context.Response.ContentType = "text/plain"; // Set the file type
context.Response.AddHeader("Content-Length", dataToRead.ToString());
context.Response.AddHeader("Content-Disposition", "attachment; filename=" + filename + "");
// Read the bytes.
while (dataToRead > 0)
{
// Verify that the client is connected.
if (context.Response.IsClientConnected)
{
// Read the data in buffer.
length = iStream.Read(buffer, 0, 10000);
// Write the data to the current output stream.
context.Response.OutputStream.Write(buffer, 0, length);
// Flush the data to the HTML output.
context.Response.Flush();
buffer = new Byte[10000];
dataToRead = dataToRead - length;
}
else
{
// Prevent infinite loop if user disconnects
dataToRead = -1;
}
}
}
catch (Exception ex)
{
// Trap the error, if any.
context.Response.Write("Error : " + ex.Message);
}
finally
{
if (iStream != null)
{
//Close the file.
iStream.Close();
}
context.Response.End();
}
}
errorCode = 6001;
returnMsg = ErrorCode.GetCodeMessage(errorCode);
JsonResult <string> result = new JsonResult <string> {
Code = errorCode, Message = returnMsg, Rows = 0, Result = null
};
GenerateJson(result);
return;
}
public void DeleteFile()
{
string returnMsg = string.Empty;
int errorCode = 0;
// 校验参数
string[] parametersRequired = { "fileHistoryId" };
if (!CheckParamsRequired(parametersRequired, out errorCode, out returnMsg))
{
JsonResult <string> result = new JsonResult <string> {
Code = errorCode, Message = returnMsg, Rows = 0, Result = null
};
GenerateJson(result);
return;
}
string fileHistoryId = context.Request["fileHistoryId"];
// 根据 ID 获取到 fileHistory 对象
FileHistory fileHistory = new FileHistoryBLL().GetModel(fileHistoryId);
if (fileHistoryId != null)
{
fileHistory.ISDELETED = true;
bool delFlag = new FileHistoryBLL().Update(fileHistory);
// 逻辑删除成功
if (delFlag)
{
string actPath = string.Empty;
string taskRootFolder = string.Empty;
string deletedFolder = ConfigurationManager.AppSettings["fileDeletedFolder"].ToString();
string taskFolderWithoutEmpNo = string.Empty;
DataTable dtPrjIdAndCategory = new FileCategoryBLL().GetProjectIdByFileHistoryId(fileHistoryId).Tables[0];
string projectId = Convert.ToString(dtPrjIdAndCategory.Rows[0]["PROJECTID"]);
string category = Convert.ToString(dtPrjIdAndCategory.Rows[0]["category"]);
string folderName = Convert.ToString(dtPrjIdAndCategory.Rows[0]["folderName"]);
bool flag = new FileCategoryBLL().GetFilePathByProjectId(projectId, category, folderName, false, out actPath, out taskRootFolder, out taskFolderWithoutEmpNo, out errorCode);
string physicalFileName = Path.Combine(actPath, fileHistory.FILENAME);
string timeStr = DateTime.Now.ToString("yyyyMMddHHmmss");
string destFileName = Path.Combine(deletedFolder, timeStr + fileHistory.FILENAME);
if (File.Exists(physicalFileName))
{
try
{
// 如果目标位置文件已存在，则先将其删除
if (File.Exists(destFileName))
{
File.Delete(destFileName);
}
// 移动文件到删除暂存目录
File.Move(physicalFileName, destFileName);
}
catch (IOException ioEx)
{
errorCode = 1;
returnMsg = ioEx.Message;
LogHelper.WriteLine("文件删除失败：" + ioEx.Message);
}
finally
{
if (File.Exists(physicalFileName))
{
fileHistory.ISDELETED = false;
new FileHistoryBLL().Update(fileHistory);
errorCode = 1;
}
else
{
// 记录操作日志
string operateTypeName = "删除";
int operateTypeKey = new ConfigureBLL().GetConfig(ConfigTypeName.文件操作类型.ToString()).AsEnumerable().Where(item => item["configValue"].ToString() == operateTypeName).Select(item => Convert.ToInt32(item["configKey"])).FirstOrDefault();
FileOperationLog fileOperationLog = new FileOperationLog();
fileOperationLog.ID = Guid.NewGuid().ToString();
fileOperationLog.PROJECTID = projectId;
fileOperationLog.EMPLOYEEID = UserProfile.GetInstance()?.ID;
fileOperationLog.FILENAME = fileHistory.FILENAME;
fileOperationLog.OPERATETYPE = operateTypeKey;
fileOperationLog.OPERATEDATE = DateTime.Now;
fileOperationLog.OPERATECONTENT = operateTypeName + fileHistory.FILENAME;
fileOperationLog.OPERATEUSER = UserProfile.GetInstance()?.ID;
new FileOperationLogBLL().Add(fileOperationLog);
}
}
}
}
else
{
errorCode = 1;
}
JsonResult <string> result = new JsonResult <string> {
Code = errorCode, Message = returnMsg, Rows = 0, Result = null
};
GenerateJson(result);
return;
}
JsonResult <string> resultFinal = new JsonResult <string> {
Code = errorCode, Message = returnMsg, Rows = 0, Result = null
};
GenerateJson(resultFinal);
return;
}
public void UploadSuccess()
{
string returnMsg = string.Empty;
int errorCode = 0;
string projectId = string.Empty;
string category = string.Empty;
string folder = string.Empty;
string userId = string.Empty;
string physicalFileName = string.Empty;
// 校验参数
string[] parametersRequired = { "parentId", "description", "taskid", "filename" };
if (!CheckParamsRequired(parametersRequired, out errorCode, out returnMsg))
{
JsonResult <string> resultChkPar = new JsonResult <string> {
Code = errorCode, Message = returnMsg, Rows = 0, Result = null
};
GenerateJson(resultChkPar);
return;
}
string taskid = context.Request["taskid"].ToString();
string filename = context.Request["filename"].ToString();
string parentId = Convert.ToString(context.Request["parentId"]);
string description = Convert.ToString(context.Request["description"]);
FileCategory fileCategory = new FileCategoryBLL().GetModel(parentId);
if (fileCategory != null)
{
projectId = fileCategory.PROJECTID;
folder = fileCategory.FOLDERNAME;
category = fileCategory.CATEGORY;
bool flag = MergeSplitFile(taskid, projectId, category, folder, filename, out physicalFileName, out errorCode);
if (flag)
{
userId = UserProfile.GetInstance()?.ID;
string fileNameRelativeToTaskFolder = Path.Combine(folder, filename);
bool addFileHisFlag = new FileHistoryBLL().AddFileHistory(parentId, filename, fileNameRelativeToTaskFolder, description, userId);
if (addFileHisFlag)
{
string operateTypeName = "上传";
int operateTypeKey = new ConfigureBLL().GetConfig(ConfigTypeName.文件操作类型.ToString()).AsEnumerable().Where(item => item["configValue"].ToString() == operateTypeName).Select(item => Convert.ToInt32(item["configKey"])).FirstOrDefault();
FileOperationLog fileOperationLog = new FileOperationLog();
fileOperationLog.ID = Guid.NewGuid().ToString();
fileOperationLog.PROJECTID = projectId;
fileOperationLog.EMPLOYEEID = userId;
fileOperationLog.FILENAME = filename;
fileOperationLog.OPERATETYPE = operateTypeKey;
fileOperationLog.OPERATEDATE = DateTime.Now;
fileOperationLog.OPERATECONTENT = operateTypeName + filename;
fileOperationLog.OPERATEUSER = userId;
new FileOperationLogBLL().Add(fileOperationLog);
JsonResult <string> resultOprLog = new JsonResult <string> {
Code = errorCode, Message = returnMsg, Rows = 0, Result = null
};
GenerateJson(resultOprLog);
return;
}
// 添加失败时，需删除已上传的文件
else
{
if (File.Exists(physicalFileName))
{
File.Delete(physicalFileName);
}
JsonResult <string> resultAddDb2 = new JsonResult <string> {
Code = errorCode, Message = "数据库记录添加失败", Rows = 0, Result = null
};
GenerateJson(resultAddDb2);
return;
}
}
returnMsg = ErrorCode.GetCodeMessage(errorCode);
JsonResult <string> resultAddDb = new JsonResult <string> {
Code = errorCode, Message = returnMsg, Rows = 0, Result = null
};
GenerateJson(resultAddDb);
return;
}
JsonResult <string> result = new JsonResult <string> {
Code = errorCode, Message = "未找到 projectId 对应的记录", Rows = 0, Result = null
};
GenerateJson(result);
return;
}
