Http上传文件

  public class UpLoadFile
     {
         public static void UpLoadFiles(string fileName)
         {
             string fileType = Path.GetExtension(fileName);
             string upLoadParms = "?Service=notify" + "&fileType=" + fileType;
             WebRequest webRequest = HttpWebRequest.Create(new Uri("http://192.168.0.1:8080" + upLoadParms));
             System.Text.Encoding coding = System.Text.Encoding.UTF8;
             webRequest.ContentType = "application/x-www-form-urlencoded";
             webRequest.Method = "POST";
             System.IO.Stream requeStream = webRequest.GetRequestStream();
             FileStream fileStream=new FileStream(fileName,FileMode.Open,FileAccess.Read);
             BinaryReader binaryReader=new BinaryReader(fileStream,coding);
             byte[] buffer = binaryReader.ReadBytes((int) fileStream.Length);
             requeStream.Write(buffer,,buffer.Length);
             fileStream.Close();
             requeStream.Close();
             System.Net.WebResponse response = webRequest.GetResponse();
             Stream responseStream = response.GetResponseStream();
             StreamReader streamReader = new StreamReader(responseStream);
             string returnVal = streamReader.ReadToEnd();
             responseStream.Close();
             response.Close();

         }
     }