JAVA实例(swing聊天室)源代码一客户端源码

import java.awt.BorderLayout;
import java.awt.List;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;
import .Socket;

原文地址/操作时去掉此行

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class TcpQQClient extends JFrame{
JButton btnConnection=new JButton("连接");//连接按钮
JButton btnSend=new JButton("发送");//发送按钮

JTextField txtServer=new JTextField(10);
JTextField txtUser=new JTextField(10);
JTextField txtContext=new JTextField(30);

JLabel lblServer=new JLabel("服务器：");
JLabel lblUser=new JLabel("用户名：");
JLabel lblContext=new JLabel("内容：");

JComboBox cmbUsers=new JComboBox();


List lstMsg=new List(10,true);

JPanel p1=new JPanel();
JPanel p2=new JPanel();
JPanel p3=new JPanel();
JPanel p4=new JPanel();

Socket s;//创建Socket对象

public TcpQQClient(){
super("QQ聊天");
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setLayout(new BorderLayout());

p1.setLayout(new BorderLayout());

p1.add(lstMsg);
p1.add(p3,BorderLayout.SOUTH);

p2.add(lblUser);
p2.add(txtUser);
p2.add(lblServer);
p2.add(txtServer);
p2.add(btnConnection);

cmbUsers.addItem("所有人");
p3.add(cmbUsers);
p3.add(lblContext);
p3.add(txtContext);
p3.add(btnSend);
btnSend.setEnabled(false);

btnSend.addActionListener(new ButtonMonitor());
btnConnection.addActionListener(new ButtonMonitor());

this.add(p2,BorderLayout.SOUTH);
this.add(p1,BorderLayout.CENTER);
this.pack();
this.setVisible(true);
}

class ButtonMonitor implements ActionListener{

public void actionPerformed(ActionEvent e) {
if(e.getSource()==btnConnection){ //连接按钮
try {
//连接服务器
s=new Socket(txtServer.getText(),8888);
//获得输入流
InputStream is=s.getInputStream();

//创建输出流 获取返回的套接字的输出流
PrintStream ps=new PrintStream(s.getOutputStream(),true);
ps.println("register-"+txtUser.getText());
//启动ClientRehread类的线程--将信息将到启动ClientRehread类
new Thread(new ClientRehread(lstMsg,is,cmbUsers,txtUser.getText())).start();
TcpQQClient.this.btnSend.setEnabled(true);
} catch (Exception e2) {
System.out.println("客户端连接出错");
}
}
if(e.getSource()==btnSend){//发送按钮
try {
PrintStream ps=new PrintStream(s.getOutputStream(),true);
if("所有人".equals(cmbUsers.getSelectedItem())){
ps.println("all-"+txtUser.getText()+"-"+txtContext.getText());
}else{
ps.println(cmbUsers.getSelectedItem()+"-"+txtUser.getText()+"-"+txtContext.getText());
}
lstMsg.add("你 对 "+cmbUsers.getSelectedItem()+" 说："+txtContext.getText());
txtContext.setText("");
} catch (Exception e2) {
System.out.println("客户端发送信息出错");
}
}
}

}


public static void main(String[] args) {
new TcpQQClient();
}

}

class ClientRehread implements Runnable{//线程-接收消息类
List lstMsg;
InputStream is;
JComboBox cmbUsers;
String user;

public ClientRehread(List lstMsg, InputStream is,JComboBox cmbUsers,String user) {
this.lstMsg = lstMsg;
this.is = is;
this.cmbUsers=cmbUsers;
er=user;
}

public void run() {
try {
BufferedReader br=new BufferedReader(new InputStreamReader(is));
while(true){
String reStr=br.readLine();
String[] str=reStr.split("-");
if("register".equals(str[0])){
this.cmbUsers.removeAllItems();
this.cmbUsers.addItem("所有人");
for(int i=1;i

r.length;i++){
this.cmbUsers.addItem(str[i]);
}
}else if("all".equals(str[0])){
if(!user.equals(str[1])){
lstMsg.add(str[1]+" 对所有人说："+str[2]);
}
}else if(user.equals(str[0])){
lstMsg.add(str[1]+" 对你说："+str[2]);
}
lstMsg.makeVisible(lstMsg.getItemCount()-1); //设置最后一项可见
}
} catch (Exception e) {
e.printStackTrace();
System.out.println("客户端接受信息出错");
}
}

}