C＃FTP上传下载 [英] C# FTP Upload and Download

问题描述

有没有refernece到C＃我能够将一些文件从我的电脑（其中程序运行）上传到我的FTP是somwere其他又一次地下载文件到我的其他计算机（在其他的电脑我M再次运行程序。）

Is there any refernece to C# that I'm able to upload some files from my computer (where program is running) to my FTP that is somwere else and again to download that files to my other computer (on that other computer I'm running program again.)

推荐答案

使用的FtpWebRequest 和 FtpWebResponse 类。有关更多信息，请参见：

Use FtpWebRequest and FtpWebResponse classes. for more information see:

的http：// msdn.microsoft.com/en-us/library/ms229718.aspx

代码

上传（来源： http://msdn.microsoft.com/de-de /library/ms229715.aspx ）：

namespace Examples.System.Net
{
    public class WebRequestGetExample
    {
        public static void Main ()
        {
            // Get the object used to communicate with the server.
            FtpWebRequest request = (FtpWebRequest)WebRequest.Create("ftp://www.contoso.com/test.htm");
            request.Method = WebRequestMethods.Ftp.UploadFile;

            // This example assumes the FTP site uses anonymous logon.
            request.Credentials = new NetworkCredential ("anonymous","[e-mail]");

            // Copy the contents of the file to the request stream.
            StreamReader sourceStream = new StreamReader("testfile.txt");
            byte [] fileContents = Encoding.UTF8.GetBytes(sourceStream.ReadToEnd());
            sourceStream.Close();
            request.ContentLength = fileContents.Length;

            Stream requestStream = request.GetRequestStream();
            requestStream.Write(fileContents, 0, fileContents.Length);
            requestStream.Close();

            FtpWebResponse response = (FtpWebResponse)request.GetResponse();

            Console.WriteLine("Upload File Complete, status {0}", response.StatusDescription);

            response.Close();
            }
        }
    }
}

下载（来源： http://msdn.microsoft.com/en-US/library/ms229711.aspx）：

namespace Examples.System.Net
{
    public class WebRequestGetExample
    {
        public static void Main ()
        {
            // Get the object used to communicate with the server.
            FtpWebRequest request = (FtpWebRequest)WebRequest.Create("ftp://www.contoso.com/test.htm");
            request.Method = WebRequestMethods.Ftp.DownloadFile;

            // This example assumes the FTP site uses anonymous logon.
            request.Credentials = new NetworkCredential ("anonymous","[e-mail]");

            FtpWebResponse response = (FtpWebResponse)request.GetResponse();

            Stream responseStream = response.GetResponseStream();
            StreamReader reader = new StreamReader(responseStream);
            Console.WriteLine(reader.ReadToEnd());

            Console.WriteLine("Download Complete, status {0}", response.StatusDescription);

            reader.Close();
            response.Close();  
        }
    }
}

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