C#实现自定义FTP操作封装类实例
本文实例讲述了C#实现自定义FTP操作封装类。分享给大家供大家参考。具体如下：
这个C#类封装了FTP的常用操作，包括连接ftp服务器、列表服务器上的目录和文件，从ftp下载文件，上传文件到ftp服务器等等
usingSystem;
usingSystem.Text;
usingSystem.IO;
namespaceDotNet.Utilities
{
publicclassFTPOperater
{
#region属性
privateFTPClientftp;
///<summary>
///全局FTP访问变量
///</summary>
publicFTPClientFtp
{
get{returnftp;}
set{ftp=value;}
}
privatestring_server;
///<summary>
///Ftp服务器
///</summary>
publicstringServer
{
get{return_server;}
set{_server=value;}
}
privatestring_User;
///<summary>
///Ftp用户
///</summary>
publicstringUser
{
get{return_User;}
set{_User=value;}
}
privatestring_Pass;
///<summary>
///Ftp密码
///</summary>
publicstringPass
{
get{return_Pass;}
set{_Pass=value;}
}
privatestring_FolderZJ;
///<summary>
///Ftp密码
///</summary>
publicstringFolderZJ
{
get{return_FolderZJ;}
set{_FolderZJ=value;}
}
privatestring_FolderWX;
///<summary>
///Ftp密码
///</summary>
publicstringFolderWX
{
get{return_FolderWX;}
set{_FolderWX=value;}
}
#endregion
///<summary>
///得到文件列表
///</summary>
///<returns></returns>
publicstring[]GetList(stringstrPath)
{
if(ftp==null)ftp=this.getFtpClient();
ftp.Connect();
ftp.ChDir(strPath);
returnftp.Dir("*");
}
///<summary>
///下载文件
///</summary>
///<paramname="ftpFolder">ftp目录</param>
///<paramname="ftpFileName">ftp文件名</param>
///<paramname="localFolder">本地目录</param>
///<paramname="localFileName">本地文件名</param>
publicboolGetFile(stringftpFolder,stringftpFileName,stringlocalFolder,stringlocalFileName)
{
try
{
if(ftp==null)ftp=this.getFtpClient();
if(!ftp.Connected)
{
ftp.Connect();
ftp.ChDir(ftpFolder);
}
ftp.Get(ftpFileName,localFolder,localFileName);
returntrue;
}
catch
{
try
{
ftp.DisConnect();
ftp=null;
}
catch{ftp=null;}
returnfalse;
}
}
///<summary>
///修改文件
///</summary>
///<paramname="ftpFolder">本地目录</param>
///<paramname="ftpFileName">本地文件名temp</param>
///<paramname="localFolder">本地目录</param>
///<paramname="localFileName">本地文件名</param>
publicboolAddMSCFile(stringftpFolder,stringftpFileName,stringlocalFolder,stringlocalFileName,stringBscInfo)
{
stringsLine="";
stringsResult="";
stringpath="获得应用程序所在的完整的路径";
path=path.Substring(0,path.LastIndexOf("\\"));
try
{
FileStreamfsFile=newFileStream(ftpFolder+"\\"+ftpFileName,FileMode.Open);
FileStreamfsFileWrite=newFileStream(localFolder+"\\"+localFileName,FileMode.Create);
StreamReadersr=newStreamReader(fsFile);
StreamWritersw=newStreamWriter(fsFileWrite);
sr.BaseStream.Seek(0,SeekOrigin.Begin);
while(sr.Peek()>-1)
{
sLine=sr.ReadToEnd();
}
string[]arStr=sLine.Split(newstring[]{"\n"},StringSplitOptions.RemoveEmptyEntries);
for(inti=0;i<arStr.Length-1;i++)
{
sResult+=BscInfo+","+arStr[i].Trim()+"\n";
}
sr.Close();
byte[]connect=newUTF8Encoding(true).GetBytes(sResult);
fsFileWrite.Write(connect,0,connect.Length);
fsFileWrite.Flush();
sw.Close();
fsFile.Close();
fsFileWrite.Close();
returntrue;
}
catch(Exceptione)
{
returnfalse;
}
}
///<summary>
///删除文件
///</summary>
///<paramname="ftpFolder">ftp目录</param>
///<paramname="ftpFileName">ftp文件名</param>
publicboolDelFile(stringftpFolder,stringftpFileName)
{
try
{
if(ftp==null)ftp=this.getFtpClient();
if(!ftp.Connected)
{
ftp.Connect();
ftp.ChDir(ftpFolder);
}
ftp.Delete(ftpFileName);
returntrue;
}
catch
{
returnfalse;
}
}
///<summary>
///上传文件
///</summary>
///<paramname="ftpFolder">ftp目录</param>
///<paramname="ftpFileName">ftp文件名</param>
publicboolPutFile(stringftpFolder,stringftpFileName)
{
try
{
if(ftp==null)ftp=this.getFtpClient();
if(!ftp.Connected)
{
ftp.Connect();
ftp.ChDir(ftpFolder);
}
ftp.Put(ftpFileName);
returntrue;
}
catch
{
returnfalse;
}
}
///<summary>
///下载文件
///</summary>
///<paramname="ftpFolder">ftp目录</param>
///<paramname="ftpFileName">ftp文件名</param>
///<paramname="localFolder">本地目录</param>
///<paramname="localFileName">本地文件名</param>
publicboolGetFileNoBinary(stringftpFolder,stringftpFileName,stringlocalFolder,stringlocalFileName)
{
try
{
if(ftp==null)ftp=this.getFtpClient();
if(!ftp.Connected)
{
ftp.Connect();
ftp.ChDir(ftpFolder);
}
ftp.GetNoBinary(ftpFileName,localFolder,localFileName);
returntrue;
}
catch
{
try
{
ftp.DisConnect();
ftp=null;
}
catch
{
ftp=null;
}
returnfalse;
}
}
///<summary>
///得到FTP上文件信息
///</summary>
///<paramname="ftpFolder">FTP目录</param>
///<paramname="ftpFileName">ftp文件名</param>
publicstringGetFileInfo(stringftpFolder,stringftpFileName)
{
stringstrResult="";
try
{
if(ftp==null)ftp=this.getFtpClient();
if(ftp.Connected)ftp.DisConnect();
ftp.Connect();
ftp.ChDir(ftpFolder);
strResult=ftp.GetFileInfo(ftpFileName);
returnstrResult;
}
catch
{
return"";
}
}
///<summary>
///测试FTP服务器是否可登陆
///</summary>
publicboolCanConnect()
{
if(ftp==null)ftp=this.getFtpClient();
try
{
ftp.Connect();
ftp.DisConnect();
returntrue;
}
catch
{
returnfalse;
}
}
///<summary>
///得到FTP上文件信息
///</summary>
///<paramname="ftpFolder">FTP目录</param>
///<paramname="ftpFileName">ftp文件名</param>
publicstringGetFileInfoConnected(stringftpFolder,stringftpFileName)
{
stringstrResult="";
try
{
if(ftp==null)ftp=this.getFtpClient();
if(!ftp.Connected)
{
ftp.Connect();
ftp.ChDir(ftpFolder);
}
strResult=ftp.GetFileInfo(ftpFileName);
returnstrResult;
}
catch
{
return"";
}
}
///<summary>
///得到文件列表
///</summary>
///<paramname="ftpFolder">FTP目录</param>
///<returns>FTP通配符号</returns>
publicstring[]GetFileList(stringftpFolder,stringstrMask)
{
string[]strResult;
try
{
if(ftp==null)ftp=this.getFtpClient();
if(!ftp.Connected)
{
ftp.Connect();
ftp.ChDir(ftpFolder);
}
strResult=ftp.Dir(strMask);
returnstrResult;
}
catch
{
returnnull;
}
}
///<summary>
///得到FTP传输对象
///</summary>
publicFTPClientgetFtpClient()
{
FTPClientft=newFTPClient();
ft.RemoteHost=this.Server;
ft.RemoteUser=this.User;
ft.RemotePass=this.Pass;
returnft;
}
}
}
希望本文所述对大家的C#程序设计有所帮助。