C#+WinForm+局域网文件传输

//创建一个文件对象 FileInfo EzoneFile = new FileInfo(this.textBox1.Text); //打开文件流 FileStream EzoneStream = EzoneFile.OpenRead(); //包的大小 int PacketSize = int.Parse(this.textBox4.Text); //包的数量 int PacketCount = (int)(EzoneStream.Length / ((long)PacketSize)); //最后一个包的大小 int LastDataPacket = (int)(EzoneStream.Length - ((long)(PacketSize * PacketCount))); //指向远程服务端节点 IPEndPoint ipep = new IPEndPoint(IPAddress.Parse(txtIP.Text.Trim()), int.Parse(this.textBox6.Text)); //创建套接字 Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); client.Connect(ipep); //获得客户端节点对象 IPEndPoint clientep = (IPEndPoint)client.RemoteEndPoint; //发送[文件名]到客户端 TransferFiles.SendVarData(client, System.Text.Encoding.Unicode.GetBytes(EzoneFile.Name)); //发送[包的大小]到客户端 TransferFiles.SendVarData(client, System.Text.Encoding.Unicode.GetBytes(PacketSize.ToString())); //发送[包的总数量]到客户端 TransferFiles.SendVarData(client, System.Text.Encoding.Unicode.GetBytes(PacketCount.ToString())); //发送[最后一个包的大小]到客户端 TransferFiles.SendVarData(client, System.Text.Encoding.Unicode.GetBytes(LastDataPacket.ToString())); //数据包 byte[] data = new byte[PacketSize]; //开始循环发送数据包 for (int i = 0; i < PacketCount; i++) { //从文件流读取数据并填充数据包 EzoneStream.Read(data, 0, data.Length); //发送数据包 TransferFiles.SendVarData(client, data); } //如果还有多余的数据包,则应该发送完毕! if (LastDataPacket != 0) { data = new byte[LastDataPacket];