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java聊天源代码 java聊天程序设计代码( 七 )

IT技术String


if (str.equals("bye")) {
System.out.println("服务器已经关闭，此程序自动退出！");
break;
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
class SenderMessage implements Runnable {
private DataOutputStream dout;
public SenderMessage(DataOutputStream dout) {
this.dout = dout;
}
public void run() {
String str;
InputStreamReader inf = new InputStreamReader(System.in);
BufferedReader buf = new BufferedReader(inf);
try {
while (true) {
str = buf.readLine();
dout.writeUTF(str);
if (str.equals("bye")) {
System.out.println("客户端自己退出！");
System.exit(1);
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
急求一个关于UDP的JAVA实现多人聊天源代码import java.io.InputStream;
import java.io.DataInputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.DataOutputStream;
import java.io.BufferedReader;
import java.net.ServerSocket;
import java.net.Socket;
import java.io.IOException;
import java.util.Date;
class Server
{
public Server()
{
try
{
ServerSocket s=new ServerSocket(8888);
Socket ss=s.accept();
OutputStream out=ss.getOutputStream();
DataOutputStream dout=new DataOutputStream(out);
InputStream in=ss.getInputStream();
DataInputStream din=new DataInputStream(in);
System.out.print(din.readUTF()+"!");
dout.writeUTF("你已经连接到服务器"+"\t"+"你的地址："+ss.getInetAddress()+"\t"
+"你的链接端口："+ss.getLocalPort()+"\n");
new ReadMessage(din).start();
new SendMessage(dout).start();
}
catch (IOException e)
{
e.printStackTrace();
}
}
public static void main(String[] args)
{
new Server();
}
}
//接受客户端信息
class ReadMessage extends Thread
{
private DataInputStream din;
public ReadMessage(DataInputStream din)
{
this.din=din;
}
public void run()
{
String str;
try
{
while (true)
{
str=din.readUTF();
System.out.println(new Date().toLocaleString()+"客户端说："+str);
if (str.equals("bye"))
{
System.out.println("客户端下线！");
break;
}
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
// 发出服务器信息
class SendMessage extends Thread
{
private DataOutputStream dout;
public SendMessage(DataOutputStream dout)
{
this.dout=dout;
}
public void run()
{
InputStreamReader inr=new InputStreamReader(System.in);
BufferedReader buf=new BufferedReader(inr);
String str;
try
{
while(true)
{
str=buf.readLine();
dout.writeUTF(str);
if (str.equals("bye"))
{
System.out.println("服务器退出！");
System.exit(1);
}
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
import java.io.InputStream;
import java.io.DataInputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.DataOutputStream;
import java.io.BufferedReader;
import java.net.Socket;
import java.io.IOException;
import java.util.Date;
class Client
{
public Client()
{
try
{
Socket s=new Socket("192.168.1.2",8888);
InputStream in=s.getInputStream();
DataInputStream din=new DataInputStream(in);
OutputStream out=s.getOutputStream();
DataOutputStream dout=new DataOutputStream(out);

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