多线程和Socket网络编程(二)

多线程和Socket网络编程(二)

学习视频：https://www.bilibili.com/video/BV1FJ411v7hv?p=15

socket通信传输的字节是什么内容，客户端和服务端要知道这个字节是文件，是字符串还是其他？应该设计一个协定。例如在内容字节前面插入一个字节表示内容形式，0代表字符串，1代表文件......

private void button1_Click(object sender, EventArgs e){ Socket socket = new Socket(SocketType.Stream, ProtocolType.Tcp); IPAddress ip = IPAddress.Parse("192.169.11.87"); IPEndPoint endPoint = new IPEndPoint(ip, 5000); socket.Connect(endPoint); string msg = "消息来了"; byte[] buffer = Encoding.UTF8.GetBytes(msg); //如何在buffer前面加一个字节呢，可以使用集合 List<byte> bufferList = new List<byte>(); bufferList.Add(0); bufferList.AddRange(buffer); byte[] newBuffer = bufferList.ToArray(); socket.Send(newBuffer);}

View Code

private void button1_Click(object sender, EventArgs e){ Socket socket = new Socket(SocketType.Stream, ProtocolType.Tcp); IPAddress ip = IPAddress.Parse("192.169.11.87"); IPEndPoint endPoint = new IPEndPoint(ip, 5000); socket.Connect(endPoint);  string path = string.Empty; using (FileStream fsRead = new FileStream(path, FileMode.Open, FileAccess.Read)) {  byte[] buffer = new byte[1024 * 1024 * 5];  int r = fsRead.Read(buffer, 0, buffer.Length);  List<byte> newBuffer = new List<byte>();  newBuffer.Add(1);  newBuffer.AddRange(buffer);  // 是r+1  socket.Send(newBuffer.ToArray(), 0, r+1, SocketFlags.None); } }