运用Ftp进行文件上传(一)
把文件上传到Ftp上面首先建立配置文件
文件名称App.config：
建立Ftp操作基类 文件名称：FTPClient.cs
using System;
using System.Net;
using System.IO;
using System.Text;
using System.Net.Sockets;
using DevExpress.XtraEditors;
namespace WindowsApplication6
{
/**////
/// FTPClient 的摘要说明。
///
public class FTPClient
{
构造函数#region 构造函数
/**////
/// 缺省构造函数
///
public FTPClient()
{
strRemoteHost= "";
strRemotePath= "";
strRemoteUser= "";
strRemotePass= "";
strRemotePort= 21;
bConnected = false;
}
/**////
/// 构造函数
///
///
///
///
///
///
public FTPClient( string remoteHost, string remotePath, string remoteUser, string remotePass, int remotePort )
{
strRemoteHost= remoteHost;
strRemotePath= remotePath;
strRemoteUser= remoteUser;
strRemotePass= remotePass;
strRemotePort= remotePort;
Connect();
}
#endregion
登陆#region 登陆
/**////
/// FTP服务器IP地址
///
private string strRemoteHost;
public string RemoteHost
{
get
{
return strRemoteHost;
}
set
{
strRemoteHost = value;
}
}
/**////
/// FTP服务器端口
///
private int strRemotePort;
public int RemotePort
{
get
{
return strRemotePort;
}
set
{
strRemotePort = value;
}
}
/**////
/// 当前服务器目录
///
private string strRemotePath;
public string RemotePath
{
get
{
return strRemotePath;
}
set
{
strRemotePath = value;
}
}
/**////
/// 登录用户账号
///
private string strRemoteUser;
public string RemoteUser
{
set
{
strRemoteUser = value;
}
}
/**////
/// 用户登录密码
///
private string strRemotePass;
public string RemotePass
{
set
{
strRemotePass = value;
}
}
/**////
/// 是否登录
///
private Boolean bConnected;
public bool Connected
{
get
{
return bConnected;
}
}
#endregion
链接#region 链接
/**////
/// 建立连接
///
public void Connect()
{
socketControl = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
IPEndPoint ep = new IPEndPoint(IPAddress.Parse(RemoteHost), strRemotePort);
// 链接
try
{
socketControl.Connect(ep);
}
catch(Exception)
{
throw new IOException("Couldn't connect to remote server");
}
// 获取应答码
ReadReply();
if(iReplyCode != 220)
{
DisConnect();
throw new IOException(strReply.Substring(4));
}
// 登陆
SendCommand("USER "+strRemoteUser);
if( !(iReplyCode == 331 || iReplyCode == 230) )
{
CloseSocketConnect();//关闭连接
throw new IOException(strReply.Substring(4));
}
if( iReplyCode != 230 )
{
SendCommand("PASS "+strRemotePass);
if( !(iReplyCode == 230 || iReplyCode == 202) )
{
CloseSocketConnect();//关闭连接
throw new IOException(strReply.Substring(4));
}
}
bConnected = true;
// 切换到目录
ChDir(strRemotePath);
}
/**////
/// 关闭连接
///
public void DisConnect()
{
if( socketControl != null )
{
SendCommand("QUIT");
}
CloseSocketConnect();
}
#endregion
传输模式#region 传输模式
/**////
/// 传输模式:二进制类型、ASCII类型
///
public enum TransferType {Binary,ASCII};
/**////
/// 设置传输模式
///
/// 传输模式
public void SetTransferType(TransferType ttType)
{
if(ttType == TransferType.Binary)
{
SendCommand("TYPE I");//binary类型传输
}
else
{
SendCommand("TYPE A");//ASCII类型传输
}
if (iReplyCode != 200)
{
throw new IOException(strReply.Substring(4));
}
else
{
trType = ttType;
}
}
/**////
/// 获得传输模式
///
/// 传输模式
public TransferType GetTransferType()
{
return trType;
}
#endregion
文件操作#region 文件操作
/**////
/// 获得文件列表
///
/// 文件名的匹配字符串
///
public string[] Dir(string strMask)
{
// 建立链接
if(!bConnected)
{
Connect();
}
//建立进行数据连接的socket
Socket socketData = CreateDataSocket();
//传送命令
SendCommand("NLST " + strMask);
//分析应答代码
if(!(iReplyCode == 150 || iReplyCode == 125 || iReplyCode == 226))
{
throw new IOException(strReply.Substring(4));
}
//获得结果
strMsg = "";
while(true)
{
int iBytes = socketData.Receive(buffer, buffer.Length, 0);
strMsg += ASCII.GetString(buffer, 0, iBytes);
if(iBytes < buffer.Length)
{
break;
}
}
char[] seperator = {'\n'};
string[] strsFileList = strMsg.Split(seperator);
socketData.Close();//数据socket关闭时也会有返回码
if(iReplyCode != 226)
{
ReadReply();
if(iReplyCode != 226)
{
throw new IOException(strReply.Substring(4));
}
}
return strsFileList;
}
public void newPutByGuid(string strFileName,string strGuid)
{
if(!bConnected)
{
Connect();
}
string str = strFileName.Substring(0,strFileName.LastIndexOf("\\"));
string strTypeName = strFileName.Substring(strFileName.LastIndexOf("."));
strGuid = str + "\\" + strGuid ;
//System.IO.File.Copy(strFileName,strGuid);
Socket socketData = CreateDataSocket();
SendCommand("STOR "+Path.GetFileName(strGuid));
if( !(iReplyCode == 125 || iReplyCode == 150) )
{
throw new IOException(strReply.Substring(4));
}
FileStream input = new
FileStream(strGuid,FileMode.Open);
input.Flush();
int iBytes = 0;
while ((iBytes = input.Read(buffer,0,buffer.Length)) > 0)
{
socketData.Send(buffer, iBytes, 0);
}
input.Close();
//File.Delete(strGuid);
if (socketData.Connected)
{
socketData.Close();
}
if(!(iReplyCode == 226 || iReplyCode == 250))
{
ReadReply();
if(!(iReplyCode == 226 || iReplyCode == 250))
{
throw new IOException(strReply.Substring(4));
}
}
}
/**////
/// 获取文件大小
///
/// 文件名
/// 文件大小
private long GetFileSize(string strFileName)
{
if(!bConnected)
{
Connect();
}
SendCommand("SIZE " + Path.GetFileName(strFileName));
long lSize=0;
if(iReplyCode == 213)
{
lSize = Int64.Parse(strReply.Substring(4));
}
else
{
throw new IOException(strReply.Substring(4));
}
return lSize;
}
/**////
/// 删除
///
/// 待删除文件名
public void Delete(string strFileName)
{
if(!bConnected)
{
Connect();
}
SendCommand("DELE "+strFileName);
if(iReplyCode != 250)
{
throw new IOException(strReply.Substring(4));
}
}
/**////
/// 重命名(如果新文件名与已有文件重名,将覆盖已有文件)
///
/// 旧文件名
/// 新文件名
public void Rename(string strOldFileName,string strNewFileName)
{
if(!bConnected)
{
Connect();
}
SendCommand("RNFR "+strOldFileName);
if(iReplyCode != 350)
{
throw new IOException(strReply.Substring(4));
}
//如果新文件名与原有文件重名,将覆盖原有文件
SendCommand("RNTO "+strNewFileName);
if(iReplyCode != 250)
{
throw new IOException(strReply.Substring(4));
}
}
#endregion
上传和下载#region 上传和下载
/**////
/// 下载一批文件
///
/// 文件名的匹配字符串
/// 本地目录(不得以\结束)
public void Get(string strFileNameMask,string strFolder)
{
if(!bConnected)
{
Connect();
}
string[] strFiles = Dir(strFileNameMask);
foreach(string strFile in strFiles)
{
if(!strFile.Equals(""))//一般来说strFiles的最后一个元素可能是空字符串
{
Get(strFile,strFolder,strFile);
}
}
}
/**////
/// 下载一个文件
///
/// 要下载的文件名
/// 本地目录(不得以\结束)
/// 保存在本地时的文件名
public void Get(string strRemoteFileName,string strFolder,string strLocalFileName)
{
if(!bConnected)
{
Connect();
}
SetTransferType(TransferType.Binary);
if (strLocalFileName.Equals(""))
{
strLocalFileName = strRemoteFileName;
}
// if(!File.Exists(strFolder + "\\" + strLocalFileName))
// {
// Stream st = File.Create(strFolder + "\\" + strLocalFileName);
// st.Close();
// }
FileStream output = new
FileStream(strFolder + "\\" + strLocalFileName,FileMode.Create);
Socket socketData = CreateDataSocket();
SendCommand("RETR " + strRemoteFileName);
if(!(iReplyCode == 150 || iReplyCode == 125
|| iReplyCode == 226 || iReplyCode == 250))
{
throw new IOException(strReply.Substring(4));
}
while(true)
{
int iBytes = socketData.Receive(buffer, buffer.Length, 0);
output.Write(buffer,0,iBytes);
if(iBytes 0)
{
count += 1;
if(count == 500)
{
p1.Position +=1;
count = 0;
}
output.Write(buffer,0,iBytes);
}
if(iBytes0)
{
socketData.Send(buffer, iBytes, 0);
}
input.Close();
if (socketData.Connected)
{
socketData.Close();
}
if(!(iReplyCode == 226 || iReplyCode == 250))
{
ReadReply();
if(!(iReplyCode == 226 || iReplyCode == 250))
{
throw new IOException(strReply.Substring(4));
}
}
}
#endregion
/**////
/// 上传一个文件
///
/// 本地文件名
public void PutByGuid(string strFileName,string strGuid,ProgressBarControl p1)
{
if(!bConnected)
{
Connect();
}
string str = strFileName.Substring(0,strFileName.LastIndexOf("\\"));
string strTypeName = strFileName.Substring(strFileName.LastIndexOf("."));
strGuid = str + "\\" + strGuid ;
System.IO.File.Move(strFileName,strGuid);
//add by wzy
System.IO.File.SetAttributes(strGuid,System.IO.FileAttributes.Normal);
Socket socketData = CreateDataSocket();
SendCommand("STOR "+Path.GetFileName(strGuid));
if( !(iReplyCode == 125 || iReplyCode == 150) )
{
throw new IOException(strReply.Substring(4));
}
//change by wzy
FileStream input = new FileStream(strGuid,FileMode.Open,System.IO.FileAccess.Read,System.IO.FileShare.Read);
int iBytes = 0;
int FileSize = Convert.ToInt32(input.Length)/256000;
p1.Properties.Maximum = FileSize;
int count = 0;
while ((iBytes = input.Read(buffer,0,buffer.Length)) > 0)
{
count += 1;
if(count == 500)
{
p1.Position +=1;
count = 0;
}
socketData.Send(buffer, iBytes, 0);
}
input.Close();
if(p1.Position!= FileSize)
p1.Position += 1;
System.IO.File.Move(strGuid,strFileName);
if (socketData.Connected)
{
socketData.Close();
}
if(!(iReplyCode == 226 || iReplyCode == 250))
{
ReadReply();
if(!(iReplyCode == 226 || iReplyCode == 250))
{
throw new IOException(strReply.Substring(4));
}
}
}
#endregion
目录操作#region 目录操作
/**////
/// 创建目录
///
/// 目录名
public void MkDir(string strDirName)
{
if(!bConnected)
{
Connect();
}
SendCommand("MKD "+strDirName);
if(iReplyCode != 257)
{
throw new IOException(strReply.Substring(4));
}
}
/**////
/// 删除目录
///
/// 目录名
public void RmDir(string strDirName)
{
if(!bConnected)
{
Connect();
}
SendCommand("RMD "+strDirName);
if(iReplyCode != 250)
{
throw new IOException(strReply.Substring(4));
}
}
/**////
/// 改变目录
///
/// 新的工作目录名
public void ChDir(string strDirName)
{
if(strDirName.Equals(".") || strDirName.Equals(""))
{
return;
}
if(!bConnected)
{
Connect();
}
SendCommand("CWD "+strDirName);
if(iReplyCode != 250)
{
throw new IOException(strReply.Substring(4));
}
this.strRemotePath = strDirName;
}
#endregion
内部变量#region 内部变量
/**////
/// 服务器返回的应答信息(包含应答码)
///
private string strMsg;
/**////
/// 服务器返回的应答信息(包含应答码)
///
private string strReply;
/**////
/// 服务器返回的应答码
///
private int iReplyCode;
/**////
/// 进行控制连接的socket
///
private Socket socketControl;
/**////
/// 传输模式
///
private TransferType trType;
/**////
/// 接收和发送数据的缓冲区
///
private static int BLOCK_SIZE = 512;
Byte[] buffer = new Byte;
/**////
/// 编码方式
///
Encoding ASCII = Encoding.ASCII;
#endregion
内部函数#region 内部函数
/**////
/// 将一行应答字符串记录在strReply和strMsg
/// 应答码记录在iReplyCode
///
private void ReadReply()
{
strMsg = "";
strReply = ReadLine();
iReplyCode = Int32.Parse(strReply.Substring(0,3));
}
/**////
/// 建立进行数据连接的socket
///
/// 数据连接socket
private Socket CreateDataSocket()
{
SendCommand("PASV");
if(iReplyCode != 227)
{
throw new IOException(strReply.Substring(4));
}
int index1 = strReply.IndexOf('(');
int index2 = strReply.IndexOf(')');
string ipData =
strReply.Substring(index1+1,index2-index1-1);
int[] parts = new int;
int len = ipData.Length;
int partCount = 0;
string buf="";
for (int i = 0; i < len && partCount
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