這篇文章將為大家詳細(xì)講解有關(guān)怎么在C#中使用Socket實(shí)現(xiàn)局域網(wǎng)聊天,文章內(nèi)容質(zhì)量較高,因此小編分享給大家做個(gè)參考,希望大家閱讀完這篇文章后對(duì)相關(guān)知識(shí)有一定的了解。
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先運(yùn)行一個(gè)java寫(xiě)的局域網(wǎng)聊天,效果圖如下

后使用c#圖形修改如下:

C#代碼:
servlet服務(wù)端
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
namespace Server
{
public partial class MainForm : Form
{
private TcpListener listener;
private Dictionary<String,TcpClient> socketList;
private bool tag = true;
private StringBuilder charList;
public MainForm()
{
InitializeComponent();
Control.CheckForIllegalCrossThreadCalls = false;
}
void Bu_StartClick(object sender, EventArgs e)
{
cb_chatList.Items.Clear();
selectChat.Text="";
int port = 8888;
//創(chuàng)建服務(wù)端,并且啟動(dòng)
try{
listener = new TcpListener(IPAddress.Parse(ipAddress()),port);
listener.Start();
bu_Start.Enabled = false;
bu_stop.Enabled = true;
}catch(Exception ex)
{
MessageBox.Show("服務(wù)器啟動(dòng)失敗, 原因:"+ex.Message);
bu_Start.Enabled = true;
bu_stop.Enabled = false;
return;
}
selectChat.Text = "服務(wù)器啟動(dòng)成功,訪問(wèn)IP:"+ipAddress()+" 端口號(hào):"+port;
//記錄住連接的客戶端
socketList = new Dictionary<String,TcpClient>();
charList = new StringBuilder();
//使用多線程,用于多個(gè)客戶端接入
Thread th = new Thread(new ThreadStart(executeTask));
th.Start();
}
public void executeTask()
{
while(tag)
{
//等待用戶連接
TcpClient client = null;
try{
client = listener.AcceptTcpClient();
}catch(Exception)
{
}
Thread th = new Thread(executeRead);
th.Start((Object)client);
}
}
public void executeRead(Object pamars)
{
//永久監(jiān)聽(tīng)讀取客戶端
TcpClient client = pamars as TcpClient;
while(tag)
{
NetworkStream ns = client.GetStream();
StreamReader sr = new StreamReader(ns);
String msg = String.Empty;
String people = String.Empty;
try {
msg = sr.ReadLine();
if(msg.IndexOf("<clientName>")!=-1)
{
msg = Regex.Split(msg,"=")[1];
cb_chatList.Items.Add(msg);
charList.Append(msg).Append("<@>");
socketList.Add(msg,client);
msg = "<br>歡迎【"+msg+"】光臨<br>";
}
selectChat.AppendText(msg.Replace("<br>","\r\n"));
sendMsg(String.Empty,msg);
} catch (Exception) {
//MessageBox.Show(ex.Message.ToString());
break;
}
}
}
public void sendMsg(String target,String msg)
{
if(String.Empty!=target)
{
TcpClient client = socketList[target];
StreamWriter sw = new StreamWriter(client.GetStream());
sw.WriteLine(msg);
sw.Flush();
}else{
Dictionary<String,TcpClient>.KeyCollection keyColl = socketList.Keys;
foreach (String name in keyColl)
{
StreamWriter sw = new StreamWriter(socketList[name].GetStream());
sw.WriteLine(msg+"<@=@>"+charList.ToString());
sw.Flush();
}
}
}
/*根據(jù)計(jì)算名獲取IP地址*/
public String ipAddress()
{
IPAddress[] address = DNS.GetHostAddresses(Dns.GetHostName());
return address[2].ToString();
}
void ServerFromFormClosing(object sender, FormClosingEventArgs e)
{
e.Cancel = false;
if(tag)
tag = false;
if(listener!=null)
listener.Stop();
}
void Bu_stopClick(object sender, EventArgs e)
{
bu_Start.Enabled = true;
bu_stop.Enabled = false;
if(tag)
tag = false;
if(listener!=null)
listener.Stop();
}
}
}Client客戶端
using System;
using System.Drawing;
using System.Windows.Forms;
using System.Threading;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
namespace Client
{
public partial class MainForm : Form
{
private System.Windows.Forms.Timer closeWindowTimer;
private StreamReader sr;
private StreamWriter sw;
private TcpClient tc;
private ClientLong cl;
private bool tag = true;
public MainForm(TcpClient tcp,ClientLong clo)
{
cl = clo;
tc = tcp;
InitializeComponent();
Control.CheckForIllegalCrossThreadCalls = false;
bu_simple.Hide();
}
void ClientFromLoad(object sender, EventArgs e)
{
PiayCheckedChanged();
}
/*事件方法*/
public void PiayCheckedChanged()
{
closeWindowTimer = new System.Windows.Forms.Timer();
closeWindowTimer.Interval = 1000;
closeWindowTimer.Tick += new EventHandler(theout);
closeWindowTimer.Start();
}
/*執(zhí)行的事件*/
public void theout(object source, EventArgs e)
{
//這里單獨(dú)開(kāi)一個(gè)線程用來(lái)顯示信息
try{
Thread t1 = new Thread(new ThreadStart(readMsg));
t1.Start();
}catch(Exception)
{
}
}
void readMsg()
{
if(tag && tc!=null){
sr = new StreamReader(tc.GetStream());
String msg = sr.ReadLine();
String[] address = Regex.Split(msg,"<@=@>");
chatText.AppendText(address[0].Replace("<br>","\r\n"));
address = Regex.Split(address[1],"<@>");
cb_chatList.Items.Clear();
foreach (String s in address)
{
if(!String.IsNullOrEmpty(s) && s != cl.clientName)
cb_chatList.Items.Add(s);
}
}
}
void Button1Click(object sender, EventArgs e)
{
if(String.IsNullOrEmpty(textBox2.Text)){
MessageBox.Show("請(qǐng)輸入消息");return;
}
sw = new StreamWriter(tc.GetStream());
sw.WriteLine("<br>"+cl.clientName+" "+DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")+"<br> "+textBox2.Text);
textBox2.Text = "";
sw.Flush();
}
void Bu_exitClick(object sender, EventArgs e)
{
MainFormFormClosing(null,null);
}
void Button2Click(object sender, EventArgs e)
{
chatText.Text = "";
}
void MainFormFormClosing(object sender, FormClosingEventArgs e)
{
closeWindowTimer.Stop();
cl.Close();
tag = false;
if(sr!=null)
sr.Close();
if(sw!=null)
sw.Close();
}
void Bu_simpleClick(object sender, EventArgs e)
{
String selected = cb_chatList.Text;
if(selected==null)
{
MessageBox.Show("請(qǐng)選擇單聊對(duì)象");
return;
}
}
}
}C#是一個(gè)簡(jiǎn)單、通用、面向?qū)ο蟮木幊陶Z(yǔ)言,它由微軟Microsoft開(kāi)發(fā),繼承了C和C++強(qiáng)大功能,并且去掉了一些它們的復(fù)雜特性,C#綜合了VB簡(jiǎn)單的可視化操作和C++的高運(yùn)行效率,以其強(qiáng)大的操作能力、優(yōu)雅的語(yǔ)法風(fēng)格、創(chuàng)新的語(yǔ)言特性和便捷的面向組件編程從而成為.NET開(kāi)發(fā)的首選語(yǔ)言,但它不適用于編寫(xiě)時(shí)間急迫或性能非常高的代碼,因?yàn)镃#缺乏性能極高的應(yīng)用程序所需要的關(guān)鍵功能。
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