/// <summary>
///
/// </summary>
/// <param name="context"></param>
/// <param name="filedownloadname"></param>
/// <param name="dir"></param>
/// <returns></returns>
public string FtpStream(HttpContext context, string filedownloadname, string dir)
{
string stream = string.Empty;
FtpConnection ftp = this.FtpConn();
ftp.SetCurrentDirectory(dir);
//ftp.
try
{
if (ftp.FileExist(filedownloadname))
{
FtpStream ftpfs = ftp.OpenFile(filedownloadname, GenericRights.Read);
stream = "<";
StreamReader reader = new StreamReader(ftpfs);
while (reader.Read() > 0)
{
stream += reader.ReadToEnd();
}
}
else
{
context.Response.Write("<script>alert('file does not exist!');</script>");
}
}
finally
{
ftp.Close();
}
return(stream);
}
/// <summary>
/// 通过Ftp拷贝外网的文件
/// </summary>
/// <param name="Psa_attachname">文件的名称</param>
/// <param name="Psa_file_Size">文件的字节数</param>
/// <param name="AttachPath">存放文件的路径[~/AffAirDirInfo/20080202/082600043/]~为服务器的物理路径</param>
/// <param name="oYearDim"></param>
/// <returns>拷贝文件是否成功</returns>
public bool CopyFile(string Psa_attachname, int Psa_file_Size, string AttachPath, string oYearDim)
{
bool isPass = false;
if (Psa_attachname == string.Empty || Psa_file_Size < 0)
{
return(false);
}
try
{
using (FtpConnection ftp = this.FtpConn())
{
byte[] bytes = new byte[Psa_file_Size];
//string oProcEventAttachPath = GetProcEventAttachPath();
string oProcEventAttachPath = oYearDim + "/";
string fileUrl = oProcEventAttachPath + Psa_attachname;
//ftp.SetCurrentDirectory("/");
if (ftp.FileExist(fileUrl))
{
try
{
//ftp.SetCurrentDirectory(oProcEventAttachPath);
FtpStream ftpfs = ftp.OpenFile(fileUrl, GenericRights.Read);
//FtpStream ftpfs=ftp.OpenFile(Psa_attachname,GenericRights.Read);
Stream oRtream = (Stream)ftpfs;
FileStream fs = new FileStream(AttachPath + Psa_attachname, FileMode.Create, FileAccess.Write);
//int index = oRtream.Read(bytes,0,Psa_file_Size);
int count = oRtream.Read(bytes, 0, 10240);
// HttpWebRequest webRequest = (HttpWebRequest) WebRequest.Create("http://211.144.95.130/pdhb.synadminweb/AffAirDirInfo/"+fileUrl);
// HttpWebResponse webResponse = (HttpWebResponse) webRequest.GetResponse();
// Stream oRtream = webResponse.GetResponseStream();
// //int index = oRtream.Read(bytes,0,Psa_file_Size);
// FileStream fs = new FileStream(AttachPath + Psa_attachname, FileMode.Create, FileAccess.Write);
// int count = oRtream.Read( bytes, 0, 1024 );
fs.Write(bytes, 0, count);
while (count > 0)
{
// Dump the 256 characters on a string and display the string onto the console.
count = oRtream.Read(bytes, 0, 10240);
fs.Write(bytes, 0, count);
}
oRtream.Close();
// webResponse.Close();
fs.Flush();
fs.Close();
isPass = true;
}
catch (Exception ex)
{
throw new Exception("FTP读取文件失败原因:" + ex.Message);
}
}
// else
// {
// throw new Exception("文件不存在!");
// }
}
}
catch (Exception ex)
{
throw new Exception("保存文件信息失败!请查看Ftp连接是否成功！原因：" + ex.Message, ex);
}
finally
{
ftp.Close();
}
return(isPass);
}