C#本地多人聊天室
.roughbonbon 人气:0【脚本一:Server端】
使用本机地址:127.0.0.1
完整代码
using System; using System.Collections.Generic; using System.Net; using System.Net.Sockets; using System.Text; using System.Threading; namespace ConsoleApp1 { public class Server { Socket mySocket = null; Dictionary<IPAddress, Socket> cliDic = new Dictionary<IPAddress, Socket>(); public void Connect(int port) { string IP = "127.0.0.1"; //IPAddress IPAddress = IPAddress.Parse("127.0.0.1"); IPAddress address = IPAddress.Any; //创建IP终结点,把IP地址与端口绑定到网络终结点上 IPEndPoint endPoint = new IPEndPoint(address, port); //创建客户端套接字 mySocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); ///监听套接字终结点 mySocket.Bind(endPoint); //服务端可接收客户端连接数量为无限个 mySocket.Listen(0); //开启线程监听客户端 Thread myThread = new Thread(Listen_Con); myThread.Start(); Console.WriteLine("开始监听..."); } /// <summary> /// 接收连接的客户端并存储客户端的信息 /// </summary> /// <param name="obj"></param> public void Listen_Con(Object obj) { Socket cliSocket = null; //持续监听客户端的请求 while (true) { try { cliSocket = mySocket.Accept(); } catch (Exception e) { Console.WriteLine(e.Message); } string cliEndPoint = cliSocket.RemoteEndPoint.ToString(); IPAddress cliAddress = (cliSocket.RemoteEndPoint as IPEndPoint).Address; int cliPort = (cliSocket.RemoteEndPoint as IPEndPoint).Port; cliDic.Add(cliAddress, cliSocket); string MsgStr = "[客户端结点:" + cliEndPoint + "\n+客户端IP:" + cliAddress.ToString() + "\n客户端端口:" + cliPort.ToString() + "\n已连接]"; byte[] MsgBytes = Encoding.UTF8.GetBytes(MsgStr); cliSocket.Send(MsgBytes); Thread rec_Cli = new Thread(Receive_Con); rec_Cli.Start(cliSocket); Thread sed_Cli = new Thread(SendToCli); sed_Cli.Start(cliSocket); } } /// <summary> /// 接收已连接的客户端发送的消息 /// </summary> /// <param name="socket"></param> public void Receive_Con(Object socket) { Socket client = socket as Socket; while (true) { //创建大小为1024*1024的内存缓冲区(1M) byte[] recBytes = new byte[1024 * 1024]; //尝试把接收的字节存储到缓冲区 try { int length = client.Receive(recBytes); //把机器接收的字节数组转换为string string recMsg = Encoding.UTF8.GetString(recBytes, 0, length); //将服务器接收到的信息转发到所有已连接的客户端 if (cliDic.Count > 0) { foreach (var soc in cliDic) { soc.Value.Send(Encoding.UTF8.GetBytes("[" + soc.Value.RemoteEndPoint + "]:" + recMsg)); } } Console.WriteLine("[" + client.RemoteEndPoint + "]:" + recMsg); } catch (Exception) { cliDic.Remove((client.RemoteEndPoint as IPEndPoint).Address); //客户端断开的异常 Console.WriteLine("[客户端" + (client.RemoteEndPoint as IPEndPoint).Address + "已断开]"); Console.WriteLine("[客户端终结点:" + client.RemoteEndPoint+"]"); //断开套接字 client.Close(); break; } } } public void SendToCli(object obj) { Socket curCliSoc = obj as Socket; while (true) { byte[] ByteToAll = new byte[1024 * 1024]; try { string MsgToAll = Console.ReadLine(); ByteToAll = Encoding.UTF8.GetBytes("[服务端]:"+MsgToAll); curCliSoc.Send(ByteToAll); } catch(Exception) { Console.WriteLine("ERROR:" + curCliSoc.RemoteEndPoint + "已与服务端断开!"); curCliSoc.Close(); if(cliDic.ContainsKey((curCliSoc.RemoteEndPoint as IPEndPoint).Address)) { cliDic.Remove((curCliSoc.RemoteEndPoint as IPEndPoint).Address); } } } } } public class ServerMain { static void Main(string[] args) { Server s1 = new Server(); s1.Connect(8800); } } }
Server端运行结果:
【脚本二:Client端】
完整代码
using System; using System.Net; using System.Net.Sockets; using System.Text; using System.Threading; namespace ConsoleApp1 { public class Client { string SerIP = "127.0.0.1"; Socket myClient = null; Thread ConnectThread = null; IPAddress SerAdd; IPEndPoint SerEP; public void Connect_To_Ser(int port) { myClient = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); SerAdd = IPAddress.Parse(SerIP); SerEP = new IPEndPoint(SerAdd, port); while (true) { try { myClient.Connect(SerEP); break; } catch { Console.WriteLine("无法连接到服务端,请重试..."); } } ConnectThread = new Thread(Receive_Ser); ConnectThread.Start(); } public void Receive_Ser() { while (true) { byte[] SerBytes = new byte[1024 * 1024]; try { int length = myClient.Receive(SerBytes); string Msg = Encoding.UTF8.GetString(SerBytes, 0, length); Console.WriteLine(Msg); } catch (Exception) { Console.WriteLine("已与服务端断开连接..."); break; } } } public void SendToSer() { while (true) { try { string SendMsg = Console.ReadLine(); myClient.Send(Encoding.UTF8.GetBytes(SendMsg)); } catch (Exception) { Console.WriteLine("[SendToSer]已断开连接"); break; } } } } public class ClienMain { static void Main(string[] Args) { Client c1 = new Client(); c1.Connect_To_Ser(8800); c1.SendToSer(); } } }
客户端运行效果:
①客户端先于服务端运行
②客户端迟于服务端运行
暂时总效果:
功能完善:
①客户端连上服务端后若服务端断开再打开,客户端无法重连
②心跳包重连
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