using System;using System.Collections.Generic;using System.Text;using System.Net.Sockets;using System.Net;using System.Threading;using System.IO;namespace socketDemo class Client TcpClient client; long fileLength; BinaryReader reader; byte data = new byte8192; /准备工作 public Client(IPAddress serverIp) int port = 6000; int port1; int.TryParse(DateTime.Now.ToShortDateString().Replace(-, ).Substring(2), out port1); client = new TcpClient(); client.Connect(serverIp, port); Console.WriteLine(连上了); NetworkStream stream = client.GetStream(); reader = new BinaryReader(stream); /接收数据 public void recv() FileStream fs = File.Create(DateTime.Now.Ticks + .gif); byte fileLengthSrc = new byte8; try reader.Read(fileLengthSrc, 0, 8); long fileLength = getNum(fileLengthSrc); long reds = 0;/已经读取字节数 /开始传输 while (reds data.Length) int red = reader.Read(data, 0, data.Length); if (red = 0) break; fs.Write(data, 0, red); reds += red; else if (fileLength - reds 0) int red = reader.Read(data, 0, data.Length); if (red = 0) break; fs.Write(data, 0, red); reds += red; Thread.Sleep(10); catch (Exception ex) Console.WriteLine(数据传输异常或者服务端已离线: + ex.Message); fs.Flush(); fs.Close(); reader.Close(); client.Close(); static long getNum(byte bytes)/二进制转十进制(我帖子里留言那位兄弟滴代码很牛x _) /long型数据类型为字节 long num = 0; int n = Math.Min(bytes.Length, 4) - 1; for (int i = n; i -1; i-) num = (num 8) | bytesi;/num = (num 0) writer.Write(data, 0, reds); total += reds;