public bool Download(FileState fileState)
{
tot = 0;
float all = fileState.getTot();
string DestnationPath = GetSaveFilePath(fileState.Filename);
try
{
string uri = string.Empty;
if (currentDir == "/")
{
uri = ftpUristring;
}
else
{
uri = ftpUristring + currentDir;
}
uri += "/" + projectid + "/" + fileState.Filename;
FtpWebRequest request = CreateFtpWebRequest(uri, WebRequestMethods.Ftp.DownloadFile);
FtpWebResponse response = GetFtpResponse(request);
if (response == null)
{
//AddInfo("服务器未响应...");
return(false);
}
Stream responseStream = response.GetResponseStream();
FileStream filestream = File.Create(DestnationPath);
int buflength = 8196;
byte[] buffer = new byte[buflength];
int bytesRead = 1;
while (bytesRead != 0)
{
bytesRead = responseStream.Read(buffer, 0, buflength);
filestream.Write(buffer, 0, bytesRead);
tot += bytesRead;
fileState.DownloadState = String.Format("{0:F1}", tot * 100.0f / all) + "%";
}
responseStream.Close();
filestream.Close();
return(true);
}
catch (WebException ex)
{
return(true);
}
}
//如果文件不存在，则从服务器下载相应的文件
public bool CheckFileExistAsync(string projectID)
{
ftp = new FTP(projectID);
Dictionary <string, int> fileDict = ftp.GetFileList();
existFile = new Dictionary <string, int>();
NoFile = new Dictionary <string, int>();
foreach (string filename in fileDict.Keys)
{
if (File.Exists(GetFilePath(filename, projectID)))
{
existFile[filename] = fileDict[filename];
}
else
{
NoFile[filename] = fileDict[filename];
}
}
int index = 1;
foreach (string key in NoFile.Keys)
{
FileState file = new FileState()
{
ID = index,
Filename = key,
FileLength = String.Format("{0:F1}", fileDict[key] * 1.0f / 1024 / 1024) + "M",
DownloadState = "0.00%"
};
file.setTot(fileDict[key]);
_fileList.Add(file);
index++;
}
DownloadDG.ItemsSource = _fileList;
if (NoFile.Count == 0)
{
return(true);
}
else
{
return(false);
}
}