//成功接收到数据 public static void ReadCallback(IAsyncResult ar) { try { String content = String.Empty; StateObject state = (StateObject)ar.AsyncState; Socket handler = state.workSocket; int bytesRead = handler.EndReceive(ar); if (bytesRead > 0) { string data = Encoding.Default.GetString(state.buffer, 0, bytesRead); state.sb.Append(data); content = state.sb.ToString(); // Send(handler, "recive success"); DataProcessCommon dataProcessCommon = new DataProcessCommon(); //处理接收的数据 dataProcessCommon.ProcessData(data, handler.LocalEndPoint.ToString().Split(':')[1]); //继续监听 handler.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReadCallback), state); } } catch (Exception ex) { FileOperation.WriteAppenFile("3" + ex.Message); } }