public void DeleteUploadFileByID(int objectTypeId, int ID)
{
UploadFileInfo existingInfo = this.fileDao.GetFileByID(objectTypeId, ID);
if (existingInfo == null)
{
return;
}
this.fileDao.DeleteFileByID(objectTypeId, existingInfo.ID);
FileUtil.DeleteFile(ObjectTypes.GetFileFolder(objectTypeId), existingInfo.GetFileName());
}
public UploadFileInfo SaveUploadFile(UploadFileInfo info)
{
info.FileName = new FileInfo(info.FileName).Name;
if (info.ID > 0)
{
UploadFileInfo existingInfo = this.fileDao.GetFileByID(info.ObjectTypeId, info.ID);
FileUtil.DeleteFile(ObjectTypes.GetFileFolder(info.ObjectTypeId), existingInfo.GetFileName());
fileDao.UpdateFile(info.ObjectTypeId, info);
}
else
{
info = fileDao.AddFile(info.ObjectTypeId, info);
}
byte[] fileContent = Convert.FromBase64String(info.FileContent);
FileUtil.SaveFile(fileContent, ObjectTypes.GetFileFolder(info.ObjectTypeId), info.GetFileName());
return(info);
}
/// <summary>
/// 下载附件
/// </summary>
/// <param name="objectTypeId">附件对象类型ID</param>
/// <param name="id">附件编号</param>
/// <returns>附件信息</returns>
public ActionResult DownloadUploadFile(int objectTypeId, int id)
{
if (CheckSession(false) == false)
{
return(Json(ResultModelBase.CreateTimeoutModel(), JsonRequestBehavior.AllowGet));
}
if (CheckSessionID() == false)
{
return(Json(ResultModelBase.CreateLogoutModel(), JsonRequestBehavior.AllowGet));
}
try
{
if (id < 0)
{
UploadFileInfo file = GetUploadFileInSession(id);
string fileName = new FileInfo(file.FileName).Name;
byte[] fileContent = Convert.FromBase64String(file.FileContent);
return(File(fileContent, System.Web.MimeMapping.GetMimeMapping(fileName), fileName));
}
else
{
string filePath = null;
UploadFileInfo file = this.fileDao.GetFileByID(objectTypeId, id);
filePath = Path.Combine(ObjectTypes.GetFileFolder(objectTypeId), file.GetFileName());
Response.AddHeader("Set-Cookie", "fileDownload=true; path=/");
file.FileName = this.fileManager.GetDownloadFileName(file);
return(File(filePath, System.Web.MimeMapping.GetMimeMapping(file.FileName), file.FileName));
}
}
catch (Exception ex)
{
NLog.LogManager.GetCurrentClassLogger().Error(ex, ex.Message);
}
return(null);
}
/// <summary>
/// 通过附件编号下载请求附件
/// </summary>
/// <param name="id">附件编号</param>
/// <param name="userID">用户ID</param>
/// <param name="sessionID">当前请求所在设备储存的SessionID</param>
/// <returns>下载请求附件返回编码</returns>
public JsonResult DownloadUploadFile(int userID, string sessionID, int id)
{
ServiceResultModel <string> response = new ServiceResultModel <string>();
try
{
if (!CheckSessionID(userID, sessionID, response))
{
return(MyJson(response, JsonRequestBehavior.AllowGet));
}
UploadFileInfo file = this.fileDao.GetFileByID(ObjectTypes.Request, id);
if (file == null)
{
response.SetFailed(ResultCodes.ParameterError, "找不到上传文件");
}
else
{
string path = Path.Combine(Constants.RequestFolder, file.GetFileName());
if (!System.IO.File.Exists(path))
{
response.SetFailed(ResultCodes.ParameterError, "找不到上传文件");
}
else
{
byte[] arr = System.IO.File.ReadAllBytes(path);
response.Data = Convert.ToBase64String(arr);
}
}
}
catch (Exception ex)
{
NLog.LogManager.GetCurrentClassLogger().Error(ex, ex.Message);
response.SetFailed(ResultCodes.SystemError, ControlManager.GetSettingInfo().ErrorMessage);
}
return(MyJson(response, JsonRequestBehavior.AllowGet));
}