在下面的代码中上传文件至FTP服务器在本机总是出现如下问题:
总是提示 "找不到路徑 "E:\TestSort\Global.asax.resx" 的一部分"描述: 在執行目前 Web 要求的過程中發生未處理的例外情形。請檢閱堆疊追蹤以取得錯誤的詳細資訊,以及在程式碼中產生的位置。 例外詳細資訊: System.IO.DirectoryNotFoundException: 找不到路徑 "E:\TestSort\Global.asax.resx" 的一部分。原始程式錯誤:
行 465:
行 466: // open inputTheFile stream to read source file
行 467: FileStream inputTheFile=new FileStream(fileName,FileMode.Open);
行 468:
行 469:
原始程式檔: g:\inetpub\wwwroot\thefile\ftplib.cs 行: 467 我的代码如下:
aspx页面:
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using FtpLib;
using System.IO;
namespace TheFile
{
/// <summary>
/// WebForm1 篕璶磞瓃
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.HtmlControls.HtmlInputFile myfile;
protected System.Web.UI.WebControls.Button ViewButton;
protected System.Web.UI.WebControls.Button mybutton;
private void Page_Load(object sender, System.EventArgs e)
{
//
// 硂柑竚ㄏノ祘Α絏﹍て呼
} #region Web Form 砞璸ㄣ玻ネ祘Α絏
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: ASP.NET Web Form 砞璸ㄣ┮惠㊣
//
InitializeComponent();
base.OnInit(e);
}
/// </summary>
private void InitializeComponent()
{
this.mybutton.Click += new System.EventHandler(this.mybutton_Click);
this.ViewButton.Click += new System.EventHandler(this.ViewButton_Click);
this.Load += new System.EventHandler(this.Page_Load); }
#endregion private void mybutton_Click(object sender, System.EventArgs e)
{
//try
//{ if (myfile.Value.ToString()!="")
{
Response.Write (myfile.Value.ToString()+"<br>");
FTPFactory ff = new FTPFactory();
ff.setDebug(true);
ff.setRemoteHost("");
ff.setRemoteUser("ノめ"); ff.setRemotePass("盞絏"); ff.login();
ff.chdir("incoming/kk"); string[] fileNames = ff.getFileList("*.*");
for(int i=0;i < fileNames.Length;i++) {
//Console.WriteLine(fileNames[i]);
Response.Write (fileNames[i]+"<br>");
} ff.setBinaryMode(true);
ff.upload(myfile.Value.ToString());
ff.close();
/*}
catch(Exception em)
{
Console.WriteLine("Caught Error :"+em.Message);
}*/
}
else{
Page.RegisterClientScriptBlock("messagebox","<script language=javascript>alert('肚ゅンぃ')</script>");
}
} private void ViewButton_Click(object sender, System.EventArgs e)
{
//Page.RegisterClientScriptBlock("","<script language=javascript>window.open('http://pdstorage01.winghung.com/fileview/TS-T696-1-HK/TS-T696-1-HK101DN.pdf','','width=500px;height:600px')</script>");
Page.RegisterClientScriptBlock("","<script language=javascript>window.open('http://pdstorage01.winghung.com/kubou/incoming/img/earth.htm','','width=500px;height:600px')</script>");
}
}
}
总是提示 "找不到路徑 "E:\TestSort\Global.asax.resx" 的一部分"描述: 在執行目前 Web 要求的過程中發生未處理的例外情形。請檢閱堆疊追蹤以取得錯誤的詳細資訊,以及在程式碼中產生的位置。 例外詳細資訊: System.IO.DirectoryNotFoundException: 找不到路徑 "E:\TestSort\Global.asax.resx" 的一部分。原始程式錯誤:
行 465:
行 466: // open inputTheFile stream to read source file
行 467: FileStream inputTheFile=new FileStream(fileName,FileMode.Open);
行 468:
行 469:
原始程式檔: g:\inetpub\wwwroot\thefile\ftplib.cs 行: 467 我的代码如下:
aspx页面:
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using FtpLib;
using System.IO;
namespace TheFile
{
/// <summary>
/// WebForm1 篕璶磞瓃
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.HtmlControls.HtmlInputFile myfile;
protected System.Web.UI.WebControls.Button ViewButton;
protected System.Web.UI.WebControls.Button mybutton;
private void Page_Load(object sender, System.EventArgs e)
{
//
// 硂柑竚ㄏノ祘Α絏﹍て呼
} #region Web Form 砞璸ㄣ玻ネ祘Α絏
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: ASP.NET Web Form 砞璸ㄣ┮惠㊣
//
InitializeComponent();
base.OnInit(e);
}
/// </summary>
private void InitializeComponent()
{
this.mybutton.Click += new System.EventHandler(this.mybutton_Click);
this.ViewButton.Click += new System.EventHandler(this.ViewButton_Click);
this.Load += new System.EventHandler(this.Page_Load); }
#endregion private void mybutton_Click(object sender, System.EventArgs e)
{
//try
//{ if (myfile.Value.ToString()!="")
{
Response.Write (myfile.Value.ToString()+"<br>");
FTPFactory ff = new FTPFactory();
ff.setDebug(true);
ff.setRemoteHost("");
ff.setRemoteUser("ノめ"); ff.setRemotePass("盞絏"); ff.login();
ff.chdir("incoming/kk"); string[] fileNames = ff.getFileList("*.*");
for(int i=0;i < fileNames.Length;i++) {
//Console.WriteLine(fileNames[i]);
Response.Write (fileNames[i]+"<br>");
} ff.setBinaryMode(true);
ff.upload(myfile.Value.ToString());
ff.close();
/*}
catch(Exception em)
{
Console.WriteLine("Caught Error :"+em.Message);
}*/
}
else{
Page.RegisterClientScriptBlock("messagebox","<script language=javascript>alert('肚ゅンぃ')</script>");
}
} private void ViewButton_Click(object sender, System.EventArgs e)
{
//Page.RegisterClientScriptBlock("","<script language=javascript>window.open('http://pdstorage01.winghung.com/fileview/TS-T696-1-HK/TS-T696-1-HK101DN.pdf','','width=500px;height:600px')</script>");
Page.RegisterClientScriptBlock("","<script language=javascript>window.open('http://pdstorage01.winghung.com/kubou/incoming/img/earth.htm','','width=500px;height:600px')</script>");
}
}
}
using System.Net;
using System.IO;
using System.Text;
using System.Net.Sockets;namespace FtpLib
{ public class FTPFactory
{ private string remoteHost,remotePath,remoteUser,remotePass,mes;
private int remotePort,bytes;
private Socket clientSocket; private int retValue;
private Boolean debug;
private Boolean logined;
private string reply; //private static int BLOCK_SIZE = 512;
private static int BLOCK_SIZE = 1024; Byte[] buffer = new Byte[BLOCK_SIZE];
//Encoding ASCII = Encoding.ASCII;
Encoding ASCII = Encoding.Default; public FTPFactory()
{ remoteHost = "FTP";
remotePath = ".";
remoteUser = "Ftp祅嘲";
remotePass = "Ftp盞絏";
remotePort = 21;
debug = false;
logined = false; } ///
/// Set the name of the FTP server to connect to.
///
/// Server name
public void setRemoteHost(string remoteHost)
{
this.remoteHost = remoteHost;
} ///
/// Return the name of the current FTP server.
///
/// Server name
public string getRemoteHost()
{
return remoteHost;
} ///
/// Set the port number to use for FTP.
///
/// Port number
public void setRemotePort(int remotePort)
{
this.remotePort = remotePort;
} ///
/// Return the current port number.
///
/// Current port number
public int getRemotePort()
{
return remotePort;
} ///
/// Set the remote directory path.
///
/// The remote directory path
public void setRemotePath(string remotePath)
{
this.remotePath = remotePath;
} ///
/// Return the current remote directory path.
///
/// The current remote directory path.
public string getRemotePath()
{
return remotePath;
} ///
/// Set the user name to use for logging into the remote server.
///
/// Username
public void setRemoteUser(string remoteUser)
{
this.remoteUser = remoteUser;
} ///
/// Set the password to user for logging into the remote server.
///
/// Password
public void setRemotePass(string remotePass)
{
this.remotePass = remotePass;
} ///
/// Return a string array containing the remote directory's file list.
///
///
///
public string[] getFileList(string mask)
{ if(!logined)
{
login();
} Socket cSocket = createDataSocket(); sendCommand("NLST " + mask); if(!(retValue == 150 || retValue == 125))
{
throw new IOException(reply.Substring(4));
} mes = ""; while(true)
{ int bytes = cSocket.Receive(buffer, buffer.Length, 0);
mes += ASCII.GetString(buffer, 0, bytes); if(bytes < buffer.Length)
{
break;
}
} char[] seperator = {'\n'};
string[] mess = mes.Split(seperator); cSocket.Close(); readReply(); if(retValue != 226)
{
throw new IOException(reply.Substring(4));
}
return mess; } ///
/// Return the size of a file.
///
///
///
public long getFileSize(string fileName)
{ if(!logined)
{
login();
} sendCommand("SIZE " + fileName);
long size=0; if(retValue == 213)
{
size = Int64.Parse(reply.Substring(4));
}
else
{
throw new IOException(reply.Substring(4));
} return size; } ///
/// Login to the remote server.
///
public void login()
{ clientSocket = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
IPEndPoint ep = new IPEndPoint(Dns.Resolve(remoteHost).AddressList[0], remotePort); try
{
clientSocket.Connect(ep);
}
catch(Exception)
{
throw new IOException("Couldn't connect to remote server");
} readReply();
if(retValue != 220)
{
close();
throw new IOException(reply.Substring(4));
}
if(debug)
Console.WriteLine("USER "+remoteUser); sendCommand("USER "+remoteUser); if( !(retValue == 331 || retValue == 230) )
{
cleanup();
throw new IOException(reply.Substring(4));
} if( retValue != 230 )
{
if(debug)
Console.WriteLine("PASS xxx"); sendCommand("PASS "+remotePass);
if( !(retValue == 230 || retValue == 202) )
{
cleanup();
throw new IOException(reply.Substring(4));
}
} logined = true;
Console.WriteLine("Connected to "+remoteHost); chdir(remotePath); } ///
/// If the value of mode is true, set binary mode for downloads.
/// Else, set Ascii mode.
///
///
public void setBinaryMode(Boolean mode)
{ if(mode)
{
sendCommand("TYPE I");
}
else
{
sendCommand("TYPE A");
}
if (retValue != 200)
{
throw new IOException(reply.Substring(4));
}
} ///
/// Download a file to the Assembly's local directory,
/// keeping the same file name.
///
///
public void download(string remFileName)
{
download(remFileName,"",false);
} ///
/// Download a remote file to the Assembly's local directory,
/// keeping the same file name, and set the resume flag.
///
///
///
public void download(string remFileName,Boolean resume)
{
download(remFileName,"",resume);
} ///
/// Download a remote file to a local file name which can include
/// a path. The local file name will be created or overwritten,
/// but the path must exist.
///
///
///
public void download(string remFileName,string locFileName)
{
download(remFileName,locFileName,false);
} ///
/// Download a remote file to a local file name which can include
/// a path, and set the resume flag. The local file name will be
/// created or overwritten, but the path must exist.
///
///
///
///
{
if(!logined)
{
login();
} setBinaryMode(true); Console.WriteLine("Downloading file "+remFileName+" from "+remoteHost + "/"+remotePath); if (locFileName.Equals(""))
{
locFileName = remFileName;
} if(!File.Exists(locFileName))
{
Stream st = File.Create(locFileName);
st.Close();
} FileStream output = new FileStream(locFileName,FileMode.Open); Socket cSocket = createDataSocket(); long offset = 0; if(resume)
{ offset = output.Length; if(offset > 0 )
{
sendCommand("REST "+offset);
if(retValue != 350)
{
//throw new IOException(reply.Substring(4));
//Some servers may not support resuming.
offset = 0;
}
} if(offset > 0)
{
if(debug)
{
Console.WriteLine("seeking to " + offset);
}
long npos = output.Seek(offset,SeekOrigin.Begin);
Console.WriteLine("new pos="+npos);
}
} sendCommand("RETR " + remFileName); if(!(retValue == 150 || retValue == 125))
{
throw new IOException(reply.Substring(4));
} while(true)
{ bytes = cSocket.Receive(buffer, buffer.Length, 0);
output.Write(buffer,0,bytes); if(bytes <= 0)
{
break;
}
} output.Close();
if (cSocket.Connected)
{
cSocket.Close();
} Console.WriteLine(""); readReply(); if( !(retValue == 226 || retValue == 250) )
{
throw new IOException(reply.Substring(4));
} } ///
/// Upload a file.
///
///
public void upload(string fileName)
{
upload(fileName,false);
} ///
/// Upload a file and set the resume flag.
///
///
///
public void upload(string fileName,Boolean resume)
{
if(!logined)
{
login();
} Socket cSocket = createDataSocket();
long offset=0; if(resume)
{ try
{ setBinaryMode(true);
offset = getFileSize(fileName); }
catch(Exception)
{
offset = 0;
}
} if(offset > 0 )
{
sendCommand("REST " + offset);
if(retValue != 350)
{
throw new IOException(reply.Substring(4));
//Remote server may not support resuming.
offset = 0;
}
}
sendCommand("STOR "+Path.GetFileName(fileName)); if( !(retValue == 125 || retValue == 150) )
{
throw new IOException(reply.Substring(4));
}
// open inputTheFile stream to read source file
FileStream inputTheFile=new FileStream(fileName,FileMode.Open); if(offset != 0)
{ if(debug)
{
Console.WriteLine("seeking to " + offset);
}
inputTheFile.Seek(offset,SeekOrigin.Begin);
} Console.WriteLine("Uploading file "+fileName+" to "+remotePath); while ((bytes = inputTheFile.Read(buffer,0,buffer.Length)) > 0)
{ cSocket.Send(buffer, bytes, 0); }
inputTheFile.Close(); Console.WriteLine(""); if (cSocket.Connected)
{
cSocket.Close();
} readReply();
if( !(retValue == 226 || retValue == 250) )
{
throw new IOException(reply.Substring(4));
}
} ///
/// Delete a file from the remote FTP server.
///
///
public void deleteRemoteFile(string fileName)
{ if(!logined)
{
login();
} sendCommand("DELE "+fileName); if(retValue != 250)
{
throw new IOException(reply.Substring(4));
} } ///
/// Rename a file on the remote FTP server.
///
///
///
public void renameRemoteFile(string oldFileName,string newFileName)
{ if(!logined)
{
login();
} sendCommand("RNFR "+oldFileName); if(retValue != 350)
{
throw new IOException(reply.Substring(4));
} // known problem
// rnto will not take care of existing file.
// i.e. It will overwrite if newFileName exist
sendCommand("RNTO "+newFileName);
if(retValue != 250)
{
throw new IOException(reply.Substring(4));
} } ///
/// Create a directory on the remote FTP server.
///
///
{ if(!logined)
{
login();
} sendCommand("MKD "+dirName); if(retValue != 250)
{
throw new IOException(reply.Substring(4));
} } ///
/// Delete a directory on the remote FTP server.
///
///
public void rmdir(string dirName)
{ if(!logined)
{
login();
} sendCommand("RMD "+dirName); if(retValue != 250)
{
throw new IOException(reply.Substring(4));
} } ///
/// Change the current working directory on the remote FTP server.
///
///
public void chdir(string dirName)
{ if(dirName.Equals("."))
{
return;
} if(!logined)
{
login();
} sendCommand("CWD "+dirName); if(retValue != 250)
{
throw new IOException(reply.Substring(4));
} this.remotePath = dirName; Console.WriteLine("Current directory is "+remotePath); } ///
/// Close the FTP connection.
///
public void close()
{ if( clientSocket != null )
{
sendCommand("QUIT");
} cleanup();
Console.WriteLine("Closing...");
} ///
/// Set debug mode.
///
///
public void setDebug(Boolean debug)
{
this.debug = debug;
} private void readReply()
{
mes = "";
reply = readLine();
retValue = Int32.Parse(reply.Substring(0,3));
} private void cleanup()
{
if(clientSocket!=null)
{
clientSocket.Close();
clientSocket = null;
}
logined = false;
} private string readLine()
{ while(true)
{
bytes = clientSocket.Receive(buffer, buffer.Length, 0);
mes += ASCII.GetString(buffer, 0, bytes);
if(bytes < buffer.Length)
{
break;
}
} char[] seperator = {'\n'};
string[] mess = mes.Split(seperator); if(mes.Length > 2)
{
mes = mess[mess.Length-2];
}
else
{
mes = mess[0];
} if(!mes.Substring(3,1).Equals(" "))
{
return readLine();
} if(debug)
{
for(int k=0;k < mess.Length-1;k++)
{
Console.WriteLine(mess[k]);
}
}
return mes;
} private void sendCommand(String command)
{ /*Byte[] cmdBytes =Encoding.ASCII.GetBytes((command+"\r\n").ToCharArray());
clientSocket.Send(cmdBytes, cmdBytes.Length, 0);
readReply();*/ Byte[] cmdBytes = Encoding.Default.GetBytes((command+"\r\n").ToCharArray());
clientSocket.Send(cmdBytes,cmdBytes.Length, 0);
readReply();/* IServiceProvider provider = (IServiceProvider) HttpContext.Current;
HttpWorkerRequest wr = (HttpWorkerRequest) provider.GetService(typeof(HttpWorkerRequest));
byte[] bs = wr.GetPreloadedEntityBody();
....
if (!wr.IsEntireEntityBodyIsPreloaded())
{
int n = 1024;
byte[] bs2 = new byte[n];
while (wr.ReadEntityBody(bs2,n) >0)
{
.....
}
}
*/
} private Socket createDataSocket()
{ sendCommand("PASV"); if(retValue != 227)
{
throw new IOException(reply.Substring(4));
} int index1 = reply.IndexOf('(');
int index2 = reply.IndexOf(')');
string ipData =reply.Substring(index1+1,index2-index1-1);
int[] parts = new int[6]; int len = ipData.Length;
int partCount = 0;
string buf=""; for (int i = 0; i < len && partCount <= 6; i++)
{ char ch = Char.Parse(ipData.Substring(i,1));
if (Char.IsDigit(ch))
buf+=ch;
else if (ch != ',')
{
throw new IOException("Malformed PASV reply: " +reply);
} if (ch == ',' || i+1 == len)
{ try
{
parts[partCount++] = Int32.Parse(buf);
buf="";
}
catch (Exception)
{
throw new IOException("Malformed PASV reply: " +reply);
}
}
} string ipAddress = parts[0] + "."+ parts[1]+ "." +parts[2] + "." + parts[3]; int port = (parts[4] << 8) + parts[5]; Socket s = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
IPEndPoint ep = new IPEndPoint(Dns.Resolve(ipAddress).AddressList[0], port); try
{
s.Connect(ep);
}
catch(Exception)
{
throw new IOException("Can't connect to remote server");
} return s;
} }
}
你在论坛内搜索一下,关于Ftp的文章很多,只可惜我不能帮忙
可以用 <input type="file">的control
FileStream找到的是本机的路径,如果在web方式下运行,它找的是服务器上的路径,所以找不到。
您的主机中的软件放弃了一个已建立的连接。
说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。 异常详细信息: System.Net.Sockets.SocketException: 您的主机中的软件放弃了一个已建立的连接。源错误:
行 672: while(true)
行 673: {
行 674: bytes = clientSocket.Receive(buffer, buffer.Length, 0);
行 675: mes += ASCII.GetString(buffer, 0, bytes);
行 676:
源文件: e:\城建档案\程序\tjcj_zhl\class\ftpfactory.cs 行: 674