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聊天系统java源代码 java聊天软件代码( 六 )

IT技术聊天


}
}
if(message.startsWith("可以聊天:"))
{
能否聊天=true;
break;
}
else if(message.startsWith("聊天者:"))
{
String people=message.substring(message.indexOf(":")+1);
listTable.put(people,people);
}
else if(message.startsWith("不可以聊天:"))
{
能否聊天=false;
nameFile.setText("该昵称已被占用");
}
}
}
}
求一个用JAVA写的网络编程的网络聊天系统，能够实现两个人聊天信息收发 。这个是客户端
import java.net.*;
import java.io.*;
import java.awt.*;
import java.awt.event.*;
public class client extends Frame implements ActionListener{
int i=1;Frame f;
TextField ip,port;
Label Lip,Lport;
Button connect,exit;
public static void main(String args[])
{client c1 = new client();
c1.init();
}
public void init()
{
f=new Frame("client connection");
f.setLayout(new FlowLayout());
ip =new TextField("localhost");
port =new TextField("8189",5);
Lip=new Label("ip address");
Lport=new Label("port");
connect=new Button("connect");
exit=new Button("exit");
connect.addActionListener(this);
exit.addActionListener(this);
f.add(Lip);
f.add(ip);
f.add(Lport);
f.add(port);
f.add(connect);
f.add(exit);
f.setSize(500,60);
f.setVisible(true);
}
public void actionPerformed(ActionEvent e){
if(e.getSource()==exit)
System.exit(0);
if(e.getSource()==connect)
{
new Thread(new threadclient(ip.getText(),port.getText(),i)).start();
i++;
}
}
}
class threadclient extends Frame implements Runnable,ActionListener{
String ip,port;
int no;
Frame f;
TextArea ta;
TextArea name;
TextField tf;
Button send,bye;
InputStream ins;
Socket s;
PrintStream out1;
BufferedReader in;
BufferedWriter out;
threadclient(String n,String m,int i)
{
ip=n;
port=m;
no=i;
}
public void run(){
f=new Frame("client NO." +no);
f.setLayout(new FlowLayout());
ta=new TextArea("",10,30,TextArea.SCROLLBARS_BOTH);
tf=new TextField("",20);
send=new Button("send");
bye=new Button("bye");
send.addActionListener(this);
bye.addActionListener(this);
f.add(ta);
f.add(tf);
f.add(send);
f.add(bye);
f.setSize(300,300);
f.setVisible(true);
Integer tmp=new Integer(port);
int portint =tmp.intValue();
try
{
s=new Socket(ip,portint);
in=new BufferedReader(new InputStreamReader(s.getInputStream()));
out1=new PrintStream(s.getOutputStream());
ta.append(in.readLine()+"\n");
}catch(Exception e)
{
System.out.println(e.getMessage()+" ss");
}
}
public void send(String txt){
try{
out1.println(txt);
out1.flush();
ta.append(in.readLine()+"\n");
}catch(IOException e)
{
System.out.println(e.getMessage()+"send");
}
}
public void actionPerformed(ActionEvent e){
if(e.getSource()==bye){
send("BYE");
System.exit(0);
}
if (e.getSource()==send)
send(tf.getText());
}
}
这个是服务器
import java.awt.Button;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.HashMap;
import java.util.Map;
public class server {

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