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C#实现简单聊天程序的方法

2018-10-12 14:10 1021 查看

本文实例讲述了C#简单聊天程序实现方法。分享给大家供大家参考。具体如下：

假如有服务器端程序,ChatServer和客户端程序ChatClient.实现客户端向服务器端发送信息的简单功能.

运行步骤,

1.先是服务器端start listen,
2.然后客户端connect.
3.客户端发送消息

只要服务器端start listen了,然后客户端也connect了.这样建立起连接后.接受发送信息就方便了,只要用writer,reader去操作NetworkStream

服务器ChatServer
创建一个WinForm页面
引用命名空间:

using System.Net.Sockets;
using System.Net;
using System.IO;
using System.Threading;
public class ChatServer
{
private int port = 54321; //端口号
private IPAddress ip = IPAddress.Parse("10.20.30.40"); //ip地址
private TcpListener tcpListener= null;
private TcpClient tcpClient = null;
private NetworkStream networkStream = null;
private BinaryReader reader;
//private BinaryWriter writer;
private string getInfo = string.empty;
//开始监听
private void btnStartListen_Click(object sender, EventArgs e)
{
tcpListener= new TcpListener( ip , port);
tcpListener.Start(); //开始监听
Thread acceptClientMsgThread= new Thread(AcceptClientMsg);
//运行一个线程去处理客户端发来的信息
acceptClientMsgThread.Start();
}
//处理客户端发来的信息
private void AcceptClientMsg()
{
tcpClient = tcpListener.AcceptTcpClient();
if( tcpClient != null)
{
networkStream = tcpClient.GetStream();
reader = new BinaryReader( networkStream);
while (true){
getInfo += reader.ReadString();  //读取客户端发来的信息
}
}
}
//假如还要显示信息的话,可以整个显示按钮(当然最好的办法是用些线程)
//然后点击button后让信息显示出来txtShowClientMsg.Text = getInfo;
//如果服务器端想再给客户端发信息,就可以整个发送按钮.然后添加如下代码
//string sendMsg = txtSendMsge.Text;
//writer = new BinaryWriter( networkStream);
//writer.write( sendMsg);
}

客户端ChatClient

using System.Net.Sockets;
using System.Net;
using System.IO;
using System.Threading;
public class ChatClient
{
private int port = 54321;
private IPAddress ip = IPAddress.Parse("10.20.30.40");
private TcpClient tcpClient = null;
private NetworkStream networkStream = null;
//private BinaryReader reader;
private BinaryWriter writer;
//连接server
private void btnStartConnect_Click(object sender, EventArgs e)
{
tcpClient = new TcpClient();
tcpClient.Connect( ip, port);
networkStream = tcpClient.GetStream();
}
//发送信息
private void btnStartConnect_Click(object sender, EventArgs e)
{
string sendMsg = txtSendMsg.Text;
writer = new BinaryWriter( networkStream);
writer.Write( sendMsg); //发送信息
}
//如果还要接受server的消息的话.
//reader = new BinaryReader( networkStream);
//string getInfo = reader.ReadString();
}

希望本文所述对大家的C#程序设计有所帮助。

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