ＦＴＰ远程上传的问题
我已经知道远程服务器的FTP 密码和端口 怎样用C#语言实现 把文件通过FTP传到远程服务器 我是新手 各位大侠不要笑话
[解决办法]
using System;using System.Net;using System.Threading;using System.IO;namespace Examples.System.Net{ public class FtpState { private ManualResetEvent wait; private FtpWebRequest request; private string fileName; private Exception operationException = null; string status; public FtpState() { wait = new ManualResetEvent(false); } public ManualResetEvent OperationComplete { get {return wait;} } public FtpWebRequest Request { get {return request;} set {request = value;} } public string FileName { get {return fileName;} set {fileName = value;} } public Exception OperationException { get {return operationException;} set {operationException = value;} } public string StatusDescription { get {return status;} set {status = value;} } } public class AsynchronousFtpUpLoader { // Command line arguments are two strings: // 1. The url that is the name of the file being uploaded to the server. // 2. The name of the file on the local machine. // public static void Main(string[] args) { // Create a Uri instance with the specified URI string. // If the URI is not correctly formed, the Uri constructor // will throw an exception. ManualResetEvent waitObject; Uri target = new Uri (args[0]); string fileName = args[1]; FtpState state = new FtpState(); FtpWebRequest request = (FtpWebRequest)WebRequest.Create(target); request.Method = WebRequestMethods.Ftp.UploadFile; // This example uses anonymous logon. // The request is anonymous by default; the credential does not have to be specified. // The example specifies the credential only to // control how actions are logged on the server. request.Credentials = new NetworkCredential ("anonymous","janeDoe@contoso.com"); // Store the request in the object that we pass into the // asynchronous operations. state.Request = request; state.FileName = fileName; // Get the event to wait on. waitObject = state.OperationComplete; // Asynchronously get the stream for the file contents. request.BeginGetRequestStream( new AsyncCallback (EndGetStreamCallback), state ); // Block the current thread until all operations are complete. waitObject.WaitOne(); // The operations either completed or threw an exception. if (state.OperationException != null) { throw state.OperationException; } else { Console.WriteLine("The operation completed - {0}", state.StatusDescription); } } private static void EndGetStreamCallback(IAsyncResult ar) { FtpState state = (FtpState) ar.AsyncState; Stream requestStream = null; // End the asynchronous call to get the request stream. try { requestStream = state.Request.EndGetRequestStream(ar); // Copy the file contents to the request stream. const int bufferLength = 2048; byte[] buffer = new byte[bufferLength]; int count = 0; int readBytes = 0; FileStream stream = File.OpenRead(state.FileName); do { readBytes = stream.Read(buffer, 0, bufferLength); requestStream.Write(buffer, 0, readBytes); count += readBytes; } while (readBytes != 0); Console.WriteLine ("Writing {0} bytes to the stream.", count); // IMPORTANT: Close the request stream before sending the request. requestStream.Close(); // Asynchronously get the response to the upload request. state.Request.BeginGetResponse( new AsyncCallback (EndGetResponseCallback), state ); } // Return exceptions to the main application thread. catch (Exception e) { Console.WriteLine("Could not get the request stream."); state.OperationException = e; state.OperationComplete.Set(); return; } } // The EndGetResponseCallback method // completes a call to BeginGetResponse. private static void EndGetResponseCallback(IAsyncResult ar) { FtpState state = (FtpState) ar.AsyncState; FtpWebResponse response = null; try { response = (FtpWebResponse) state.Request.EndGetResponse(ar); response.Close(); state.StatusDescription = response.StatusDescription; // Signal the main application thread that // the operation is complete. state.OperationComplete.Set(); } // Return exceptions to the main application thread. catch (Exception e) { Console.WriteLine ("Error getting response."); state.OperationException = e; state.OperationComplete.Set(); } } }}
[解决办法]
using System;using System.Drawing;using System.Collections;using System.ComponentModel;using System.Windows.Forms;using System.Data;using System.Net;using System.IO;using System.Text;namespace ftp{ class ftp { public static bool ftp_Upload(string FtpURL, string username, string password, string FileName) { string strTemp = FileName; strTemp = strTemp.Substring(strTemp.LastIndexOf(@"\") + 1);//截取文件名 Stream requestStream = null; FileStream fileStream = null; FtpWebResponse uploadResponse = null; try { string uu = "ftp://" + FtpURL + strTemp; FtpWebRequest uploadRequest = (FtpWebRequest)WebRequest.Create(uu);//创建完整的FTP服务地址 uploadRequest.Method = WebRequestMethods.Ftp.UploadFile; //设置FTP服务的操作为上载文件 uploadRequest.Proxy = null; //服务器通信代理 //设置用户名和密码 uploadRequest.Credentials = new NetworkCredential(username, password);//用户名和密码 requestStream = uploadRequest.GetRequestStream(); fileStream = File.Open(FileName, FileMode.Open);//打开指定路径的文件 byte[] buffer = new byte[4096]; int nRead; while (true)//读取已打开文件的字节流写入缓冲区直至读取完毕 { nRead = fileStream.Read(buffer, 0, buffer.Length); if (nRead == 0) break; requestStream.Write(buffer, 0, buffer.Length); } fileStream.Close(); requestStream.Close(); uploadResponse = (FtpWebResponse)uploadRequest.GetResponse();//服务器返回响应 } catch (Exception e) { MainForm.AddViewListValue("上传ftp失败" + e.Message, 5); return false; } finally { if (uploadResponse != null) uploadResponse.Close(); if (fileStream != null) fileStream.Close(); if (requestStream != null) requestStream.Close(); } return true; } }}