public void ListFinish(IAsyncResult ar)
{
FtpWebResponse response = null;
try
{
ListFileAsyncState stateObj = ar.AsyncState as ListFileAsyncState;
FtpWebRequest request = stateObj.Request;
_currentPath = stateObj.Path;
response = (FtpWebResponse)request.EndGetResponse(ar);
_result = response.StatusDescription;
ServerFiles = ServerFileInfo.Parse(response.GetResponseStream());
}
catch (Exception e)
{
if (response != null)
{
_result = response.StatusDescription;
}
else
{
_result = e.Message;
}
}
finally
{
if (response != null)
{
response.Close();
}
_listFileRequestFinished = true;
}
}
private void UploadNextFile(IAsyncResult ar)
{
//清空
_currLength = 0;
_abort = false;
if (_uploadResponse != null)
{
_uploadResponse.Close();
}
if (_fileStream != null)
{
_fileStream.Close();
}
if (_requestStream != null)
{
_requestStream.Close();
}
_uploadResponse = (FtpWebResponse)_uploadRequest.EndGetResponse(ar);
//_result = "文件上传成功";
try
{
if (_uploadFiles.Count != 0)
{
FileInfo file = _uploadFiles[0] as FileInfo;
ServerFileInfo serverFile = SearchFile(file.Name.Replace('#', '_'));
if (serverFile != null)
{
_currLength = serverFile.Size;
}
else
{
_currLength = 0;
}
string uploadUrl = @"ftp://" + this.Address + ":" + this.Port + "/" + file.Name.Replace('#', '_');
_uploadRequest = (FtpWebRequest)WebRequest.Create(uploadUrl);
if ((bool)_uploadFilesStateTable[file])
{//覆盖
_uploadRequest.Method = WebRequestMethods.Ftp.UploadFile;
_currLength = 0;
}
else
{
_uploadRequest.Method = _currLength == 0 ? WebRequestMethods.Ftp.UploadFile : WebRequestMethods.Ftp.AppendFile;
}
_uploadRequest.Credentials = new NetworkCredential(this.UserName, this.Password);
_uploadRequest.Proxy = null;
_uploadRequest.KeepAlive = false;
_uploadRequest.BeginGetRequestStream(new AsyncCallback(TransFile), file);
}
}
catch (Exception e)
{
_result = e.Message;
}
}
public double GetFileProcess(FileInfo uploadFile)
{
ServerFileInfo serverFile = SearchFile(uploadFile.Name);
if (serverFile != null)
{
return((double)serverFile.Size / (double)uploadFile.Length);
}
else
{
return(0);
}
}
/// <summary>
/// 删除目录
/// </summary>
/// <param name="dirName">目录名(含路径)</param>
/// <returns></returns>
public bool RemoveDir(string url)
{
try
{
_deleteFileFinished = false;
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(url);
request.Credentials = new NetworkCredential(this.UserName, this.Password);
request.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
FtpWebResponse response = request.GetResponse() as FtpWebResponse;
IList fileList = ServerFileInfo.Parse(response.GetResponseStream());
foreach (ServerFileInfo file in fileList)
{
if (file.Name.Equals(".") || file.Name.Equals(".."))
{
continue;
}
if (file.Directory)
{
RemoveDir(url + file.Name + "/");
}
else
{
if (file.Name.IndexOf('#') != -1)
{
throw new Exception();
}
FtpWebRequest delete = (FtpWebRequest)WebRequest.Create(url + file.Name);
delete.Credentials = new NetworkCredential(this.UserName, this.Password);
delete.Method = WebRequestMethods.Ftp.DeleteFile;
Console.WriteLine(((FtpWebResponse)delete.GetResponse()).StatusDescription);
}
}
request = (FtpWebRequest)WebRequest.Create(url.Substring(0, url.Length - 1));
request.Credentials = new NetworkCredential(this.UserName, this.Password);
request.Method = WebRequestMethods.Ftp.RemoveDirectory;
request.KeepAlive = false;
response = request.GetResponse() as FtpWebResponse;
this.Result = response.StatusDescription;
response.Close();
}
catch (Exception e)
{
this.Result = e.Message;
return(false);
}
finally
{
_deleteFileFinished = true;
}
return(true);
}
public bool UploadFile(IList files)
{
try
{
//区分第一次
if (files != null)
{
_uploadFiles = files;
}
_abort = false;
if (_uploadFiles.Count != 0)
{
FileInfo file = _uploadFiles[0] as FileInfo;
//把'#'替换为'_'
ServerFileInfo serverFile = SearchFile(file.Name.Replace('#', '_'));
if (serverFile != null)
{
_currLength = serverFile.Size;
}
else
{
_currLength = 0;
}
string uploadUrl = FTP_URL_PREFIX + file.Name.Replace('#', '_');
_uploadRequest = (FtpWebRequest)WebRequest.Create(uploadUrl);
if ((bool)_uploadFilesStateTable[file])
{//覆盖
_uploadRequest.Method = WebRequestMethods.Ftp.UploadFile;
_currLength = 0;
}
else
{
_uploadRequest.Method = _currLength == 0 ? WebRequestMethods.Ftp.UploadFile : WebRequestMethods.Ftp.AppendFile;
}
_uploadRequest.Credentials = new NetworkCredential(this.UserName, this.Password);
_uploadRequest.Proxy = null;
_uploadRequest.KeepAlive = false;
_uploadRequest.BeginGetRequestStream(new AsyncCallback(TransFile), file);
}
return(true);
}
catch (Exception e)
{
_result = e.Message;
return(false);
}
}
