private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
try
{
object[] obj = e.Argument as object[];
TDataInfoDTO dto = obj[0] as TDataInfoDTO;
long totalSize = long.Parse(dto.FileSize);
if (dto == null)
{
e.Result = null;
return;
}
long total = 0;
byte[] buffer = null;
bool success = true;
while (success)
{
using (FileStream stream = new FileStream(obj[1].ToString(), FileMode.Append))
{
success = _client.TDataInfoDownloadFile(out buffer, total, dto.MetaDataId);
if (success == false)
{
break;
}
total += buffer.Length;
backgroundWorker1.ReportProgress((int)(total * 100 / totalSize));
stream.Write(buffer, 0, buffer.Length);
}
}
e.Result = obj[1].ToString();
}
catch (Exception)
{
e.Result = null;
}
}
public static int GetImageIndex(TDataInfoDTO dto, ImageList lstImg)
{
string fileExtention = Path.GetExtension(dto.DataName);
string keyword = fileExtention;
try
{
if (!lstImg.Images.Keys.Contains(fileExtention))
{
//图片文件，寻找图片缩略图
if (fileExtention.ToLower().EndsWith(".png") || fileExtention.ToLower().EndsWith(".bmp") || fileExtention.ToLower().EndsWith(".jpeg") || fileExtention.ToLower().EndsWith(".jpg"))
{
keyword = dto.MetaDataId;
Image targetImg = null;
string tempDir = Path.Combine(System.Environment.GetEnvironmentVariable("TEMP"), "64");
if (!Directory.Exists(tempDir))
{
Directory.CreateDirectory(tempDir);
}
string tempPath = Path.Combine(tempDir, dto.MetaDataId + ".jpeg");
if (!File.Exists(tempPath))
{
//下载缩略图
string temp = Path.Combine(System.Environment.GetEnvironmentVariable("TEMP"), dto.MetaDataId + fileExtention);
long total = 0;
byte[] buffer = null;
bool success = true;
while (success)
{
using (FileStream stream = new FileStream(temp, FileMode.Append))
{
success = _client.TDataInfoDownloadFile(out buffer, total, dto.MetaDataId);
if (success == false)
{
break;
}
total += buffer.Length;
stream.Write(buffer, 0, buffer.Length);
}
}
Image sourceImg = Image.FromFile(temp);
int width = sourceImg.Width * 64 / sourceImg.Height;
targetImg = GetReducedImage(sourceImg, width, 64);
targetImg.Save(tempPath, ImageFormat.Jpeg);
// File.Delete(temp);
}
else
{
targetImg = Image.FromFile(tempPath);
}
lstImg.Images.Add(keyword, targetImg);
}
else
{
keyword = fileExtention;
lstImg.Images.Add(keyword, IconsExtention.IconFromExtension(fileExtention, IconsExtention.SystemIconSize.Large));
}
}
}
catch (Exception)
{
if (fileExtention.EndsWith(".exe"))
{
keyword = fileExtention;
lstImg.Images.Add(keyword, Resources.exe);
}
}
return(lstImg.Images.IndexOfKey(keyword));
}
private void _bgwork_DoWork(object sender, DoWorkEventArgs e)
{
if (OpareteType == OpareteTypeEnum.Upload)
{
try
{
object[] arg = e.Argument as object[];
byte[] total = arg[0] as byte[];
string id = arg[1].ToString();
byte[] buffer = new byte[409600]; //400kb
int percent = total.Length / buffer.Length;
for (long index = 0; index < percent; index++)
{
buffer = total.Skip((int)index * buffer.Length).Take(buffer.Length).ToArray();
bool result = _client.TDataInfoUploadFile(buffer, id, (int)(index * buffer.Length / 40960000));
if (result == false)
{
e.Result = false;
return;
}
_bgwork.ReportProgress((int)((index + 1) * buffer.Length * 100 / total.Length));
}
int left = total.Length % buffer.Length;
if (left > 0)
{
byte[] leftBuffer = total.Skip(percent * buffer.Length).Take(left).ToArray();
bool result = _client.TDataInfoUploadFile(leftBuffer, id, total.Length / 40960000);
if (result == false)
{
e.Result = false;
return;
}
_bgwork.ReportProgress(100);
}
if (_saveHistory.ToLower().EndsWith(".doc") || _saveHistory.ToLower().EndsWith(".docx") || _saveHistory.ToLower().EndsWith(".ppt") || _saveHistory.ToLower().EndsWith(".pptx") || _saveHistory.ToLower().EndsWith(".xls"))
{
_client.TDataInDoConvert(id);
}
e.Result = true;
}
catch (Exception)
{
e.Result = false;
}
}
else
{
try
{
object[] obj = e.Argument as object[];
if (ItemData == null)
{
e.Result = null;
return;
}
long totalSize = long.Parse(ItemData.FileSize);
long total = 0;
byte[] buffer = null;
if (File.Exists(obj[0].ToString()))
{
File.Delete(obj[0].ToString());
}
bool success = true;
while (success)
{
using (FileStream stream = new FileStream(obj[0].ToString(), FileMode.Append))
{
success = _client.TDataInfoDownloadFile(out buffer, total, ItemData.MetaDataId);
if (success == false)
{
break;
}
total += buffer.Length;
_bgwork.ReportProgress((int)(total * 100 / totalSize));
stream.Write(buffer, 0, buffer.Length);
}
}
e.Result = (total == totalSize);
}
catch (Exception)
{
e.Result = false;
}
}
}