实现webdav协议文件上传功能 代码

        private void upload()

        {
            HttpWebRequest req = (HttpWebRequest)WebRequest.Create("http://10.57.144.2/WebDAV/IMS.pdf");
            req.Credentials = new NetworkCredential("username", "password");//用户名,密码   //CredentialCache.DefaultCredentials使用默认的认证
            req.PreAuthenticate = true;
            req.Method = "PUT";
            req.AllowWriteStreamBuffering = true;

            // Retrieve request stream
            Stream reqStream = req.GetRequestStream();

            // Open the local file
            FileStream rdr = new FileStream("C://IMS對外教育訓練PPTnew.pdf", FileMode.Open);

            // Allocate byte buffer to hold file contents
            byte[] inData = new byte[4096];

            // loop through the local file reading each data block
            //  and writing to the request stream buffer
            int bytesRead = rdr.Read(inData, 0, inData.Length);
            while (bytesRead > 0)
            {
                reqStream.Write(inData, 0, bytesRead);
                bytesRead = rdr.Read(inData, 0, inData.Length);
            }

            rdr.Close();
            reqStream.Close();

            req.GetResponse();

             //也可以用以下的方式

            /*  System.Uri myURi = new System.Uri("http://10.57.144.2/WebDAV/hello.doc");
              FileStream inStream = File.OpenRead("C://timeTest.doc"); 
 
            WebRequest req = WebRequest.Create(myURi);
            req.Method = "PUT";
              req.Timeout = System.Threading.Timeout.Infinite;
 
              req.Credentials = CredentialCache.DefaultCredentials;
              Stream outStream = req.GetRequestStream();
 
              //CopyStream(inStream, outStream);
              byte[] inData = new byte[4096];
              int bytesRead = inStream.Read(inData, 0, inData.Length);
              while (bytesRead > 0)
              {
                  outStream.Write(inData, 0, bytesRead);
                  bytesRead = inStream.Read(inData, 0, inData.Length);
              }
              inStream.Close();
              outStream.Close();
              req.GetResponse();*/

        }