求!~~c#来实现 用FTP协议上传文件的代码。。。急!!! 求!~~c#来实现 用FTP协议上传文件的代码急!!!我用的是c# 要实现的是ftp扩展协议SITE可是普通的协议put什么的我也不会用啊!!刚用C#没多久请高手指点怎么做!!! 最好有相关的代码!!!谢了!!! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 class FTP_Class { string ftpServerIP; string ftpUserID; string ftpPassword; FtpWebRequest reqFTP; public void Connecttest(string ftpServerIP, string ftpUserID, string ftpPassword) { // 根据uri创建FtpWebRequest对象 reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP)); // 指定数据传输类型 reqFTP.UseBinary = true; // ftp用户名和密码 reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword); } #region 连接 /// <summary> /// 连接 /// </summary> /// <param name="path"></param> private void Connect(String path)//连接ftp { // 根据uri创建FtpWebRequest对象 reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(path)); // 指定数据传输类型 reqFTP.UseBinary = true; // ftp用户名和密码 reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword); } #endregion #region ftp登录信息 /// <summary> /// ftp登录信息 /// </summary> /// <param name="ftpServerIP">ftpServerIP</param> /// <param name="ftpUserID">ftpUserID</param> /// <param name="ftpPassword">ftpPassword</param> public void FtpUpDown(string ftpServerIP, string ftpUserID, string ftpPassword) { this.ftpServerIP = ftpServerIP; this.ftpUserID = ftpUserID; this.ftpPassword = ftpPassword; } #endregion #region 获取文件列表 /// <summary> /// 获取文件列表 /// </summary> /// <param name="path"></param> /// <param name="WRMethods"></param> /// <returns></returns> private string[] GetFileList(string path, string WRMethods)//上面的代码示例了如何从ftp服务器上获得文件列表 { string[] downloadFiles; StringBuilder result = new StringBuilder(); try { Connect(path); reqFTP.Method = WRMethods; WebResponse response = reqFTP.GetResponse(); StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.Encoding.UTF8);//中文文件名 string line = reader.ReadLine(); while (line != null) { result.Append(line); result.Append("\n"); line = reader.ReadLine(); } // to remove the trailing '\n' result.Remove(result.ToString().LastIndexOf('\n'), 1); reader.Close(); response.Close(); return result.ToString().Split('\n'); } catch (Exception ex) { System.Windows.Forms.MessageBox.Show(ex.Message); downloadFiles = null; return downloadFiles; } } public string[] GetFileList(string path)//上面的代码示例了如何从ftp服务器上获得文件列表 { return GetFileList("ftp://" + ftpServerIP + "/" + path, WebRequestMethods.Ftp.ListDirectory); } public string[] GetFileList()//上面的代码示例了如何从ftp服务器上获得文件列表 { return GetFileList("ftp://" + ftpServerIP + "/", WebRequestMethods.Ftp.ListDirectory); } #endregion #region 上传文件 /// <summary> /// 上传文件 /// </summary> /// <param name="filename"></param> public bool Upload(string filename, string path, out string errorinfo) //上面的代码实现了从ftp服务器上载文件的功能 { path = path.Replace("\\", "/"); FileInfo fileInf = new FileInfo(filename); string uri = "ftp://" + path + "/" + fileInf.Name; Connect(uri);//连接 // 默认为true,连接不会被关闭 // 在一个命令之后被执行 reqFTP.KeepAlive = false; // 指定执行什么命令 reqFTP.Method = WebRequestMethods.Ftp.UploadFile; // 上传文件时通知服务器文件的大小 reqFTP.ContentLength = fileInf.Length; // 缓冲大小设置为kb int buffLength = 2048; byte[] buff = new byte[buffLength]; int contentLen; // 打开一个文件流(System.IO.FileStream) 去读上传的文件 FileStream fs = fileInf.OpenRead(); try { // 把上传的文件写入流 Stream strm = reqFTP.GetRequestStream(); // 每次读文件流的kb contentLen = fs.Read(buff, 0, buffLength); // 流内容没有结束 while (contentLen != 0) { // 把内容从file stream 写入upload stream strm.Write(buff, 0, contentLen); contentLen = fs.Read(buff, 0, buffLength); } // 关闭两个流 strm.Close(); fs.Close(); errorinfo = "完成"; return true; } catch (Exception ex) { errorinfo = string.Format("因{0},无法完成上传", ex.Message); return false; } } #endregion #region 续传文件 /// <summary> /// 续传文件 /// </summary> /// <param name="filename"></param> public bool Upload(string filename, long size,string path, out string errorinfo) //上面的代码实现了从ftp服务器上载文件的功能 { path = path.Replace("\\", "/"); FileInfo fileInf = new FileInfo(filename); //string uri = "ftp://" + path + "/" + fileInf.Name; string uri = "ftp://" + path; Connect(uri);//连接 // 默认为true,连接不会被关闭 // 在一个命令之后被执行 reqFTP.KeepAlive = false; // 指定执行什么命令 reqFTP.Method = WebRequestMethods.Ftp.AppendFile; // 上传文件时通知服务器文件的大小 reqFTP.ContentLength = fileInf.Length; // 缓冲大小设置为kb int buffLength = 2048; byte[] buff = new byte[buffLength]; int contentLen; // 打开一个文件流(System.IO.FileStream) 去读上传的文件 FileStream fs = fileInf.OpenRead(); try { StreamReader dsad = new StreamReader(fs); fs.Seek(size, SeekOrigin.Begin); // 把上传的文件写入流 Stream strm = reqFTP.GetRequestStream(); // 每次读文件流的kb contentLen = fs.Read(buff, 0, buffLength); // 流内容没有结束 while (contentLen != 0) { // 把内容从file stream 写入upload stream strm.Write(buff, 0, contentLen); contentLen = fs.Read(buff, 0, buffLength); } // 关闭两个流 strm.Close(); fs.Close(); errorinfo = "完成"; return true; } catch (Exception ex) { errorinfo = string.Format("因{0},无法完成上传", ex.Message); return false; } } #endregion #region 下载文件 /// <summary> /// 下载文件 /// </summary> /// <param name="filePath"></param> /// <param name="fileName"></param> /// <param name="errorinfo"></param> /// <returns></returns> public bool Download(string ftpfilepath, string filePath, string fileName, out string errorinfo)////上面的代码实现了从ftp服务器下载文件的功能 { try { filePath = filePath.Replace("我的电脑\\", ""); String onlyFileName = Path.GetFileName(fileName); string newFileName = filePath + onlyFileName; if (File.Exists(newFileName)) { errorinfo = string.Format("本地文件{0}已存在,无法下载", newFileName); return false; } ftpfilepath = ftpfilepath.Replace("\\", "/"); string url = "ftp://" + ftpfilepath; Connect(url);//连接 reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword); FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); Stream ftpStream = response.GetResponseStream(); long cl = response.ContentLength; int bufferSize = 2048; int readCount; byte[] buffer = new byte[bufferSize]; readCount = ftpStream.Read(buffer, 0, bufferSize); FileStream outputStream = new FileStream(newFileName, FileMode.Create); while (readCount > 0) { outputStream.Write(buffer, 0, readCount); readCount = ftpStream.Read(buffer, 0, bufferSize); } ftpStream.Close(); outputStream.Close(); response.Close(); errorinfo = ""; return true; } catch (Exception ex) { errorinfo = string.Format("因{0},无法下载", ex.Message); return false; } } #endregion #region 删除文件 /// <summary> /// 删除文件 /// </summary> /// <param name="fileName"></param> public void DeleteFileName(string fileName) { try { FileInfo fileInf = new FileInfo(fileName); string uri = "ftp://" + ftpServerIP + "/" + fileInf.Name; Connect(uri);//连接 // 默认为true,连接不会被关闭 // 在一个命令之后被执行 reqFTP.KeepAlive = false; // 指定执行什么命令 reqFTP.Method = WebRequestMethods.Ftp.DeleteFile; FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); response.Close(); } catch (Exception ex) { //MessageBox.Show(ex.Message, "删除错误"); } } #endregion #region 在ftp上创建目录 /// <summary> /// 在ftp上创建目录 /// </summary> /// <param name="dirName"></param> public void MakeDir(string dirName) { try { string uri = "ftp://" + ftpServerIP + "/" + dirName; Connect(uri);//连接 reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory; FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); response.Close(); } catch (Exception ex) { // MessageBox.Show(ex.Message); } } #endregion #region 删除ftp上目录 /// <summary> /// 删除ftp上目录 /// </summary> /// <param name="dirName"></param> public void delDir(string dirName) { try { string uri = "ftp://" + ftpServerIP + "/" + dirName; Connect(uri);//连接 reqFTP.Method = WebRequestMethods.Ftp.RemoveDirectory; FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); response.Close(); } catch (Exception ex) { // MessageBox.Show(ex.Message); } } #endregion #region 获得ftp上文件大小 /// <summary> /// 获得ftp上文件大小 /// </summary> /// <param name="filename"></param> /// <returns></returns> public long GetFileSize(string filename) { long fileSize = 0; filename = filename.Replace("\\","/"); try { // FileInfo fileInf = new FileInfo(filename); //string uri1 = "ftp://" + ftpServerIP + "/" + fileInf.Name; // string uri = filename; string uri = "ftp://" + filename; Connect(uri);//连接 reqFTP.Method = WebRequestMethods.Ftp.GetFileSize; FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); fileSize = response.ContentLength; response.Close(); } catch (Exception ex) { // MessageBox.Show(ex.Message); } return fileSize; } #endregion #region ftp上文件改名 /// <summary> /// ftp上文件改名 /// </summary> /// <param name="currentFilename"></param> /// <param name="newFilename"></param> public void Rename(string currentFilename, string newFilename) { try { FileInfo fileInf = new FileInfo(currentFilename); string uri = "ftp://" + ftpServerIP + "/" + fileInf.Name; Connect(uri);//连接 reqFTP.Method = WebRequestMethods.Ftp.Rename; reqFTP.RenameTo = newFilename; FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); //Stream ftpStream = response.GetResponseStream(); //ftpStream.Close(); response.Close(); } catch (Exception ex) { // MessageBox.Show(ex.Message); } } #endregion #region 获得文件明晰 /// <summary> /// 获得文件明晰 /// </summary> /// <returns></returns> public string[] GetFilesDetailList() { return GetFileList("ftp://" + ftpServerIP + "/", WebRequestMethods.Ftp.ListDirectoryDetails); } /// <summary> /// 获得文件明晰 /// </summary> /// <param name="path"></param> /// <returns></returns> public string[] GetFilesDetailList(string path) { path = path.Replace("\\", "/"); return GetFileList("ftp://" + path, WebRequestMethods.Ftp.ListDirectoryDetails); } #endregion } 从System.Net.FtpWebRequest继承看看行不行 put是怎么用的?put不是ftp协议放文件的吗???说是让我先用标准协议看看怎么写再改扩展协议site支持扩展协议的包谁有啊好乱啊 。。 扩展协议site怎么用有人知道吗???最好有相关的代码。。 关于循环文件夹下面所有文件的内容。请帮看看 和大家讨论下String.IndexOf() 关于datalist里用checkbox做的投票 关于gridview 的问题 想用C#做一个优化软件. 求思路 或 已共享的源码. C#怎么读取一列数据,并将各列数据绘制成曲线图? 想取得dataGridView某个格的引用 C#开发计算器键盘的输入操作 撒旦法 TabControl上的TabPages次序设置问题 C#中关于串口通信的问题 我想在IPAD上开发个小程序?刚打算介入,还没头绪
{
string ftpServerIP;
string ftpUserID;
string ftpPassword;
FtpWebRequest reqFTP; public void Connecttest(string ftpServerIP, string ftpUserID, string ftpPassword)
{
// 根据uri创建FtpWebRequest对象
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP));
// 指定数据传输类型
reqFTP.UseBinary = true;
// ftp用户名和密码
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
} #region 连接
/// <summary>
/// 连接
/// </summary>
/// <param name="path"></param>
private void Connect(String path)//连接ftp
{
// 根据uri创建FtpWebRequest对象
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(path));
// 指定数据传输类型
reqFTP.UseBinary = true;
// ftp用户名和密码
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
}
#endregion
#region ftp登录信息
/// <summary>
/// ftp登录信息
/// </summary>
/// <param name="ftpServerIP">ftpServerIP</param>
/// <param name="ftpUserID">ftpUserID</param>
/// <param name="ftpPassword">ftpPassword</param>
public void FtpUpDown(string ftpServerIP, string ftpUserID, string ftpPassword)
{
this.ftpServerIP = ftpServerIP;
this.ftpUserID = ftpUserID;
this.ftpPassword = ftpPassword;
}
#endregion
#region 获取文件列表
/// <summary>
/// 获取文件列表
/// </summary>
/// <param name="path"></param>
/// <param name="WRMethods"></param>
/// <returns></returns>
private string[] GetFileList(string path, string WRMethods)//上面的代码示例了如何从ftp服务器上获得文件列表
{
string[] downloadFiles;
StringBuilder result = new StringBuilder();
try
{
Connect(path);
reqFTP.Method = WRMethods;
WebResponse response = reqFTP.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.Encoding.UTF8);//中文文件名
string line = reader.ReadLine();
while (line != null)
{
result.Append(line);
result.Append("\n");
line = reader.ReadLine();
}
// to remove the trailing '\n'
result.Remove(result.ToString().LastIndexOf('\n'), 1);
reader.Close();
response.Close();
return result.ToString().Split('\n');
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message);
downloadFiles = null;
return downloadFiles;
}
}
public string[] GetFileList(string path)//上面的代码示例了如何从ftp服务器上获得文件列表
{
return GetFileList("ftp://" + ftpServerIP + "/" + path, WebRequestMethods.Ftp.ListDirectory);
}
public string[] GetFileList()//上面的代码示例了如何从ftp服务器上获得文件列表
{
return GetFileList("ftp://" + ftpServerIP + "/", WebRequestMethods.Ftp.ListDirectory);
}
#endregion #region 上传文件
/// <summary>
/// 上传文件
/// </summary>
/// <param name="filename"></param>
public bool Upload(string filename, string path, out string errorinfo) //上面的代码实现了从ftp服务器上载文件的功能
{
path = path.Replace("\\", "/");
FileInfo fileInf = new FileInfo(filename);
string uri = "ftp://" + path + "/" + fileInf.Name;
Connect(uri);//连接
// 默认为true,连接不会被关闭
// 在一个命令之后被执行
reqFTP.KeepAlive = false;
// 指定执行什么命令
reqFTP.Method = WebRequestMethods.Ftp.UploadFile;
// 上传文件时通知服务器文件的大小
reqFTP.ContentLength = fileInf.Length;
// 缓冲大小设置为kb
int buffLength = 2048;
byte[] buff = new byte[buffLength];
int contentLen;
// 打开一个文件流(System.IO.FileStream) 去读上传的文件
FileStream fs = fileInf.OpenRead();
try
{
// 把上传的文件写入流
Stream strm = reqFTP.GetRequestStream();
// 每次读文件流的kb
contentLen = fs.Read(buff, 0, buffLength);
// 流内容没有结束
while (contentLen != 0)
{
// 把内容从file stream 写入upload stream
strm.Write(buff, 0, contentLen);
contentLen = fs.Read(buff, 0, buffLength);
}
// 关闭两个流
strm.Close();
fs.Close();
errorinfo = "完成";
return true;
}
catch (Exception ex)
{
errorinfo = string.Format("因{0},无法完成上传", ex.Message);
return false;
}
}
#endregion #region 续传文件
/// <summary>
/// 续传文件
/// </summary>
/// <param name="filename"></param>
public bool Upload(string filename, long size,string path, out string errorinfo) //上面的代码实现了从ftp服务器上载文件的功能
{
path = path.Replace("\\", "/");
FileInfo fileInf = new FileInfo(filename);
//string uri = "ftp://" + path + "/" + fileInf.Name;
string uri = "ftp://" + path;
Connect(uri);//连接
// 默认为true,连接不会被关闭
// 在一个命令之后被执行
reqFTP.KeepAlive = false;
// 指定执行什么命令
reqFTP.Method = WebRequestMethods.Ftp.AppendFile;
// 上传文件时通知服务器文件的大小
reqFTP.ContentLength = fileInf.Length;
// 缓冲大小设置为kb
int buffLength = 2048;
byte[] buff = new byte[buffLength];
int contentLen;
// 打开一个文件流(System.IO.FileStream) 去读上传的文件
FileStream fs = fileInf.OpenRead();
try
{
StreamReader dsad = new StreamReader(fs);
fs.Seek(size, SeekOrigin.Begin);
// 把上传的文件写入流
Stream strm = reqFTP.GetRequestStream();
// 每次读文件流的kb
contentLen = fs.Read(buff, 0, buffLength);
// 流内容没有结束
while (contentLen != 0)
{
// 把内容从file stream 写入upload stream
strm.Write(buff, 0, contentLen);
contentLen = fs.Read(buff, 0, buffLength);
}
// 关闭两个流
strm.Close();
fs.Close();
errorinfo = "完成";
return true;
}
catch (Exception ex)
{
errorinfo = string.Format("因{0},无法完成上传", ex.Message);
return false;
}
}
#endregion
/// <summary>
/// 下载文件
/// </summary>
/// <param name="filePath"></param>
/// <param name="fileName"></param>
/// <param name="errorinfo"></param>
/// <returns></returns>
public bool Download(string ftpfilepath, string filePath, string fileName, out string errorinfo)////上面的代码实现了从ftp服务器下载文件的功能
{
try
{
filePath = filePath.Replace("我的电脑\\", "");
String onlyFileName = Path.GetFileName(fileName);
string newFileName = filePath + onlyFileName;
if (File.Exists(newFileName))
{
errorinfo = string.Format("本地文件{0}已存在,无法下载", newFileName);
return false;
}
ftpfilepath = ftpfilepath.Replace("\\", "/");
string url = "ftp://" + ftpfilepath;
Connect(url);//连接
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
long cl = response.ContentLength;
int bufferSize = 2048;
int readCount;
byte[] buffer = new byte[bufferSize];
readCount = ftpStream.Read(buffer, 0, bufferSize);
FileStream outputStream = new FileStream(newFileName, FileMode.Create);
while (readCount > 0)
{
outputStream.Write(buffer, 0, readCount);
readCount = ftpStream.Read(buffer, 0, bufferSize);
}
ftpStream.Close();
outputStream.Close();
response.Close();
errorinfo = "";
return true;
}
catch (Exception ex)
{
errorinfo = string.Format("因{0},无法下载", ex.Message);
return false;
}
}
#endregion #region 删除文件
/// <summary>
/// 删除文件
/// </summary>
/// <param name="fileName"></param>
public void DeleteFileName(string fileName)
{
try
{
FileInfo fileInf = new FileInfo(fileName);
string uri = "ftp://" + ftpServerIP + "/" + fileInf.Name;
Connect(uri);//连接
// 默认为true,连接不会被关闭
// 在一个命令之后被执行
reqFTP.KeepAlive = false;
// 指定执行什么命令
reqFTP.Method = WebRequestMethods.Ftp.DeleteFile;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
response.Close();
}
catch (Exception ex)
{
//MessageBox.Show(ex.Message, "删除错误");
}
}
#endregion #region 在ftp上创建目录
/// <summary>
/// 在ftp上创建目录
/// </summary>
/// <param name="dirName"></param>
public void MakeDir(string dirName)
{
try
{
string uri = "ftp://" + ftpServerIP + "/" + dirName;
Connect(uri);//连接
reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
response.Close();
}
catch (Exception ex)
{
// MessageBox.Show(ex.Message);
}
}
#endregion #region 删除ftp上目录
/// <summary>
/// 删除ftp上目录
/// </summary>
/// <param name="dirName"></param>
public void delDir(string dirName)
{
try
{
string uri = "ftp://" + ftpServerIP + "/" + dirName;
Connect(uri);//连接
reqFTP.Method = WebRequestMethods.Ftp.RemoveDirectory;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
response.Close();
}
catch (Exception ex)
{
// MessageBox.Show(ex.Message);
}
}
#endregion #region 获得ftp上文件大小
/// <summary>
/// 获得ftp上文件大小
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
public long GetFileSize(string filename)
{
long fileSize = 0;
filename = filename.Replace("\\","/");
try
{
// FileInfo fileInf = new FileInfo(filename);
//string uri1 = "ftp://" + ftpServerIP + "/" + fileInf.Name;
// string uri = filename;
string uri = "ftp://" + filename;
Connect(uri);//连接
reqFTP.Method = WebRequestMethods.Ftp.GetFileSize;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
fileSize = response.ContentLength;
response.Close();
}
catch (Exception ex)
{
// MessageBox.Show(ex.Message);
}
return fileSize;
}
#endregion #region ftp上文件改名
/// <summary>
/// ftp上文件改名
/// </summary>
/// <param name="currentFilename"></param>
/// <param name="newFilename"></param>
public void Rename(string currentFilename, string newFilename)
{
try
{
FileInfo fileInf = new FileInfo(currentFilename);
string uri = "ftp://" + ftpServerIP + "/" + fileInf.Name;
Connect(uri);//连接
reqFTP.Method = WebRequestMethods.Ftp.Rename;
reqFTP.RenameTo = newFilename;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
//Stream ftpStream = response.GetResponseStream();
//ftpStream.Close();
response.Close();
}
catch (Exception ex)
{
// MessageBox.Show(ex.Message);
}
}
#endregion #region 获得文件明晰
/// <summary>
/// 获得文件明晰
/// </summary>
/// <returns></returns>
public string[] GetFilesDetailList()
{
return GetFileList("ftp://" + ftpServerIP + "/", WebRequestMethods.Ftp.ListDirectoryDetails);
}
/// <summary>
/// 获得文件明晰
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public string[] GetFilesDetailList(string path)
{
path = path.Replace("\\", "/");
return GetFileList("ftp://" + path, WebRequestMethods.Ftp.ListDirectoryDetails);
}
#endregion
}
说是让我先用标准协议看看怎么写
再改扩展协议site
支持扩展协议的包谁有啊好乱啊 。。
最好有相关的代码。。