private void ReadSerial()
{
try
{
sPort.Open();
while (true)
{
string msg = sPort.ReadLine();
writeLog.BeginInvoke(msg, null, null);
Thread.Sleep(50);
}
} catch
{
throw;
} finally
{
sPort.Close();
}
}
/// <summary>
/// 进行请求处理，返回图像或数据
/// </summary>
private void ProcessRequest(string fileName, string subfolder, string fileType, string userName, string usage, string endUser, string resourceType, string attType)
{
//string strResourceRootPath = UIBiz.CommonInfo.ResourceRootPath;
strUserName = CurrentUser.UserLoginName;
string strFullFilePath = string.Empty;
IResourceType rt = null;
if (string.IsNullOrEmpty(subfolder))
{
rt = ResourceTypeFactory.getResourceTypeByString(resourceType.ToLower());
//yangguang
//strFullFilePath = Path.Combine(rt.SourcePath, userName);
//strFullFilePath = Path.Combine(strFullFilePath, fileName + fileType);
strFullFilePath = rt.GetSourcePath(userName, fileName + fileType);
strFile = resourceType.ToLower() + "_" + strFullFilePath;
}
else
{
if (resourceType.ToLower().Equals("image"))
{
rt = ResourceTypeFactory.getResourceTypeByString(resourceType.ToLower());
//yangguang
//strFullFilePath = Path.Combine(rt.SourcePath, userName);
//strFullFilePath = Path.Combine(strFullFilePath, subfolder + "/" + fileName + fileType);
strFullFilePath = rt.GetSourcePath(userName, subfolder + "/" + fileName + fileType);
strFile = resourceType.ToLower() + "_" + strFullFilePath;
}
else if (resourceType.ToLower().Equals("video"))
{
rt = ResourceTypeFactory.getResourceTypeByString(resourceType.ToLower());
//yangguang
//strFullFilePath = Path.Combine(rt.SourcePath, userName);
//strFullFilePath = Path.Combine(strFullFilePath, subfolder + "/" + fileName + fileType);
strFullFilePath = rt.GetSourcePath(userName, subfolder + "/" + fileName + fileType);
strFile = resourceType.ToLower() + "_" + strFullFilePath;
}
else if (resourceType.ToLower().Equals("other"))
{
rt = ResourceTypeFactory.getResourceTypeByString(resourceType.ToLower());
//yangguang
//strFullFilePath = Path.Combine(rt.SourcePath, userName);
//strFullFilePath = Path.Combine(strFullFilePath, subfolder + "/" + fileName + fileType);
strFullFilePath = rt.GetSourcePath(userName, subfolder + "/" + fileName + fileType);
strFile = resourceType.ToLower() + "_" + strFullFilePath;
}
}
#region
//string resUrl = string.Empty;
//resUrl = UIBiz.CommonInfo.FileDownPath + "/" + userName + "{0}" + fileName + fileType;
//if (resourceType.ToLower().Equals("video"))
//{
// strFullFilePath = Path.Combine(Path.Combine(Path.Combine(strResourceRootPath, "video"), "Source"), userName);
// if (attType.ToLower().Equals("attachment"))
// {
// resUrl = UIBiz.CommonInfo.FileDownPath + "/../video/source/" + userName + "{0}/attachments/" + fileName + fileType;
// strFullFilePath = Path.Combine(strFullFilePath, UIBiz.CommonInfo.AttachFolder);
// }
//}
//else if (resourceType.ToLower().Equals("image"))
//{
// //strFullFilePath = Path.Combine(Path.Combine(Path.Combine(strResourceRootPath,"images"), "Source") , userName); //91的结构
// strFullFilePath = Path.Combine(UIBiz.CommonInfo.ImageRootPath, userName);
// if (attType.ToLower().Equals("attachment"))
// {
// resUrl = UIBiz.CommonInfo.FileDownPath + "/../video/source/" + userName + "{0}/attachments/" + fileName + fileType;
// strFullFilePath = Path.Combine(strFullFilePath, UIBiz.CommonInfo.AttachFolder);
// }
//}
//else if (resourceType.ToLower().Equals("document"))
//{
// strFullFilePath = Path.Combine(Path.Combine(strResourceRootPath, "document"), userName);
//}
//else if (resourceType.ToLower().Equals("other"))
//{
// strFullFilePath = Path.Combine(Path.Combine(strResourceRootPath, "other"), userName);
//}
#endregion
if (File.Exists(strFullFilePath))
{
WriteLog wl = new WriteLog(this.WriteLogDB);
wl.BeginInvoke(fileName, fileType, strUserName, usage, endUser, userName, true, resourceType, null, null);
System.IO.Stream iStream = null;
try {
byte[] buffer = new Byte[10000];
int length;
long dataToRead;
string filepath = strFullFilePath;
string filename = System.IO.Path.GetFileName(filepath);
iStream = new System.IO.FileStream(strFullFilePath, System.IO.FileMode.Open,
System.IO.FileAccess.Read, System.IO.FileShare.Read);
dataToRead = iStream.Length;
Response.Buffer = false;
Response.AddHeader("Connection", "Keep-Alive");
Response.ContentType = "application/octet-stream";
Response.AddHeader("Content-Disposition", "attachment; filename=" + encodeChineseFileName(filename));
Response.AddHeader("Content-Length", iStream.Length.ToString());
while (dataToRead > 0)
{
if (Response.IsClientConnected)
{
length = iStream.Read(buffer, 0, 10000);
Response.OutputStream.Write(buffer, 0, length);
Response.Flush();
buffer = new Byte[10000];
dataToRead = dataToRead - length;
}
else
{
dataToRead = -1;
}
}
}
catch (Exception ex) {
// Trap the error, if any.
Response.Write("Error : " + ex.Message);
}
finally {
if (iStream != null)
{
//Close the file.
iStream.Close();
}
}
#region
//Response.WriteFile(strFullFilePath);
//Response.TransmitFile(strFullFilePath);
//Response.Clear();
//Response.Buffer = true;
//Response.ContentType = "application/octet-stream";
//Response.AddHeader("Content-Disposition", "attachment;filename=" + encodeChineseFileName(fileName + fileType));
//Response.BinaryWrite(rawImg);
//Response.End();
#endregion
}
#region
//if (!string.IsNullOrEmpty(subfolder))
//{
// resUrl = string.Format(resUrl, "/" + subfolder + "/");
//}
//else
//{
// resUrl = string.Format(resUrl, "/");
//}
//if (resUrl != null && resUrl != "")
//{
// // wl.BeginInvoke(fileName, fileType, CurrentUser.UserLoginName, usage, endUser, userName, true , resourceType, null, null);
// //Response.Redirect(resUrl, true);
// //这里不采用 response.binarywrite方法往客户端发送数据，主要是大文件引起的问题，而且也没有这个必要
// //by ciqq 2010-4-1
//}
#endregion
}
