Java练手小程序——QQ聊天「建议收藏」

2022-10-04 16:00:44 浏览数 (1)

大家好,又见面了,我是你们的朋友全栈君。

1.思路图

2.主要功能

实现一对一聊天

实现多对多聊天

好友上线自动刷新功能

3.知识点

界面布局:一是流布局,二是卡片布局(现在应该都不用了) socket通信之对象流objectinput/outputStream 将线程里面的信息显示到界面上

4.项目代码

4.1服务端

common下有三个类:

Message.java

代码语言:javascript复制
package com.qq.common;

public class Message implements java.io.Serializable{

	private String mesType;
	
	private String sender;
	private String getter;
	private String con;
	private String sendTime;

	public String getSender() {
		return sender;
	}

	public void setSender(String sender) {
		this.sender = sender;
	}

	public String getGetter() {
		return getter;
	}

	public void setGetter(String getter) {
		this.getter = getter;
	}

	public String getCon() {
		return con;
	}

	public void setCon(String con) {
		this.con = con;
	}

	public String getSendTime() {
		return sendTime;
	}

	public void setSendTime(String sendTime) {
		this.sendTime = sendTime;
	}

	public String getMesType() {
		return mesType;
	}

	public void setMesType(String mesType) {
		this.mesType = mesType;
	}
}

接口MessageType.java

代码语言:javascript复制
/**
 * 定义包的种类
 */
package com.qq.common;

public interface MessageType {

	String message_succeed="1";//表明是登陆成功
	String message_login_fail="2";//表明登录失败
	String message_comm_mes="3";//普通信息包
	String message_get_onLineFriend="4";//要求在线好友的包
	String message_ret_onLineFriend="5";//返回在线好友的包
}

User.java

代码语言:javascript复制
/**
 * 这是用户信息类
 */
package com.qq.common;

public class User implements java.io.Serializable {

	private String userId;
	private String passwd;
	public String getUserId() {
		return userId;
	}
	public void setUserId(String userId) {
		this.userId = userId;
	}
	public String getPasswd() {
		return passwd;
	}
	public void setPasswd(String passwd) {
		this.passwd = passwd;
	}
}

Model下面有三个类:

ManageClientThread.java

代码语言:javascript复制
package com.qq.server.model;

import java.util.*;
public class ManageClientThread {

	public static HashMap hm=new HashMap<String, SerConClientThread>();
	
	//向hm中添加一个客户端通讯线程
	public static  void addClientThread(String uid,SerConClientThread ct)
	{
		hm.put(uid, ct);
	}
	
	public static SerConClientThread getClientThread(String uid)
	{
		return (SerConClientThread)hm.get(uid);
	}
	
	//返回当前在线的人的情况
	public static String getAllOnLineUserid()
	{
		//使用迭代器完成
		Iterator it=hm.keySet().iterator();
		String res="";
		while(it.hasNext())
		{
			res =it.next().toString() " ";
		}
		return res;
	}
}

MyQqServer.java

代码语言:javascript复制
/**
 * 这是qq服务器,它在监听,等待某个qq客户端,来连接
 */
package com.qq.server.model;
import com.qq.common.*;
import java.net.*;
import java.io.*;
import java.util.*;
public class MyQqServer {

	
	
	public MyQqServer()
	{
		
		try {
			
			//在9999监听
			System.out.println("我是服务器,在9999监听");
			ServerSocket ss=new ServerSocket(9999);
			//阻塞,等待连接
			while(true)
			{
				Socket s=ss.accept();
				
				//接收客户端发来的信息.
				
				ObjectInputStream ois=new ObjectInputStream(s.getInputStream());
				User u=(User)ois.readObject();
				System.out.println("服务器接收到用户id:" u.getUserId() "  密码:" u.getPasswd());
				Message m=new Message();
				ObjectOutputStream oos=new ObjectOutputStream(s.getOutputStream());
				if(u.getPasswd().equals("123456"))
				{
					//返回一个成功登陆的信息报
					
					m.setMesType("1");
					oos.writeObject(m);
					
					//这里就单开一个线程,让该线程与该客户端保持通讯.
					SerConClientThread scct=new SerConClientThread(s);
					ManageClientThread.addClientThread(u.getUserId(), scct);
					//启动与该客户端通信的线程.
					scct.start();
					
					//并通知其它在线用户.
					scct.notifyOther(u.getUserId());
				}else{
					m.setMesType("2");
					oos.writeObject(m);
					//关闭Socket
					s.close();
					
				}
				
				
			}	
			
			
		} catch (Exception e) {
			e.printStackTrace();
			// TODO: handle exception
		}finally{
			
		}
		
	}
	
}

SerConClientThread.java

代码语言:javascript复制
/**
 * 功能:是服务器和某个客户端的通信线程
 */
package com.qq.server.model;

import java.util.*;
import java.net.*;
import java.io.*;
import com.qq.common.*;
public class SerConClientThread  extends Thread{

	Socket s;
	
	public SerConClientThread(Socket s)
	{
		//把服务器和该客户端的连接赋给s
		this.s=s;
	}
	
	//让该线程去通知其它用户
	public void notifyOther(String iam)
	{
		//得到所有在线的人的线程
		HashMap hm=ManageClientThread.hm;
		Iterator it=hm.keySet().iterator();
		
		while(it.hasNext())
		{
			Message m=new Message();
			m.setCon(iam);
			m.setMesType(MessageType.message_ret_onLineFriend);
			//取出在线人的id
			String onLineUserId=it.next().toString();
			try {
				ObjectOutputStream oos=new ObjectOutputStream(ManageClientThread.getClientThread(onLineUserId).s.getOutputStream());
				m.setGetter(onLineUserId);
				oos.writeObject(m);
			} catch (Exception e) {
				e.printStackTrace();
				// TODO: handle exception
			}
			
		}
	}
	
	public void run()
	{
		
		while(true)
		{
			
			//这里该线程就可以接收客户端的信息.
			try {
				ObjectInputStream ois=new ObjectInputStream(s.getInputStream());
				Message m=(Message)ois.readObject();
				
			//	System.out.println(m.getSender() " 给 " m.getGetter() " 说:" m.getCon());
				
				//对从客户端取得的消息进行类型判断,然后做相应的处理
				if(m.getMesType().equals(MessageType.message_comm_mes))
				{
					//一会完成转发.
					//取得接收人的通信线程
					SerConClientThread sc=ManageClientThread.getClientThread(m.getGetter());
					ObjectOutputStream oos=new ObjectOutputStream(sc.s.getOutputStream());
					oos.writeObject(m);
				}else if(m.getMesType().equals(MessageType.message_get_onLineFriend))
				{
					System.out.println(m.getSender() " 要他的好友");
					//把在服务器的好友给该客户端返回.
					String res=ManageClientThread.getAllOnLineUserid();
					Message m2=new Message();
					m2.setMesType(MessageType.message_ret_onLineFriend);
					m2.setCon(res);
					m2.setGetter(m.getSender());
					ObjectOutputStream oos=new ObjectOutputStream(s.getOutputStream());
					oos.writeObject(m2);
				}
				
			} catch (Exception e) {
				e.printStackTrace();
				// TODO: handle exception
			}
			
			
		}
		
		
	}
}

view下有一个类

MySererFrame.java

代码语言:javascript复制
/**
 * 这是服务器端的控制界面,可以完成启动服务器,关闭服务器
 * 可以管理和监控用户.
 */
package com.qq.server.view;


import javax.swing.*;

import com.qq.server.model.MyQqServer;

import java.awt.*;
import java.awt.event.*;
public class MyServerFrame extends JFrame implements ActionListener {

	
	JPanel jp1;
	JButton jb1,jb2;
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		MyServerFrame mysf=new MyServerFrame();
	}
	
	public MyServerFrame()
	{
		jp1=new JPanel();
		jb1=new JButton("启动服务器");
		jb1.addActionListener(this);
		jb2=new JButton("关闭服务器");
		jp1.add(jb1);
		jp1.add(jb2);
		
		
		this.add(jp1);
		this.setSize(500, 400);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setVisible(true);
	}

	public void actionPerformed(ActionEvent arg0) {
		// TODO Auto-generated method stub
		if(arg0.getSource()==jb1)
		{
			new MyQqServer();
		}
	}
	

}

4.2客户端

common下面有三个类

Message.java

代码语言:javascript复制
package com.qq.common;

public class Message implements java.io.Serializable{

	private String mesType;
	
	private String sender;
	private String getter;
	private String con;
	private String sendTime;

	public String getSender() {
		return sender;
	}

	public void setSender(String sender) {
		this.sender = sender;
	}

	public String getGetter() {
		return getter;
	}

	public void setGetter(String getter) {
		this.getter = getter;
	}

	public String getCon() {
		return con;
	}

	public void setCon(String con) {
		this.con = con;
	}

	public String getSendTime() {
		return sendTime;
	}

	public void setSendTime(String sendTime) {
		this.sendTime = sendTime;
	}

	public String getMesType() {
		return mesType;
	}

	public void setMesType(String mesType) {
		this.mesType = mesType;
	}
}

MessageType.java

代码语言:javascript复制
/**
 * 定义包的种类
 */
package com.qq.common;

public interface MessageType {

	String message_succeed="1";//表明是登陆成功
	String message_login_fail="2";//表明登录失败
	String message_comm_mes="3";//普通信息包
	String message_get_onLineFriend="4";//要求在线好友的包
	String message_ret_onLineFriend="5";//返回在线好友的包
}

User.java

代码语言:javascript复制
/**
 * 这是用户信息类
 */
package com.qq.common;

public class User implements java.io.Serializable {

	private String userId;
	private String passwd;
	public String getUserId() {
		return userId;
	}
	public void setUserId(String userId) {
		this.userId = userId;
	}
	public String getPasswd() {
		return passwd;
	}
	public void setPasswd(String passwd) {
		this.passwd = passwd;
	}
}

Model里面有两个类

QqClientConServer.java

代码语言:javascript复制
/**
 * 这是客户端连接服务器的后台
 */
package com.qq.client.model;
import com.qq.client.tools.*;
import java.util.*;
import java.net.*;
import java.io.*;
import com.qq.common.*;
public class QqClientConServer {

	
	public  Socket s;
	
	//发送第一次请求
	public boolean sendLoginInfoToServer(Object o)
	{
		boolean b=false;
		try {
			System.out.println("kk");
			s=new Socket("127.0.0.1",9999);
			ObjectOutputStream oos=new ObjectOutputStream(s.getOutputStream());
			oos.writeObject(o);
			
			ObjectInputStream ois=new ObjectInputStream(s.getInputStream());
			
			Message ms=(Message)ois.readObject();
			//这里就是验证用户登录的地方
			if(ms.getMesType().equals("1"))
			{
				//就创建一个该qq号和服务器端保持通讯连接得线程
				ClientConServerThread ccst=new ClientConServerThread(s);
				//启动该通讯线程
				ccst.start();
				ManageClientConServerThread.addClientConServerThread
				(((User)o).getUserId(), ccst);
				b=true;
			}else{
				//关闭Scoket
				s.close();
			}
			
		} catch (Exception e) {
			e.printStackTrace();
			// TODO: handle exception
		}finally{
			
		}
		return b;
	}
	
	public void SendInfoToServer(Object o)
	{
		/*try {
			Socket s=new Socket("127.0.0.1",9999);
			
		} catch (Exception e) {
			e.printStackTrace();
			// TODO: handle exception
		}finally{
			
		}*/
	}
}

QqClientUser.java

代码语言:javascript复制
package com.qq.client.model;

import com.qq.common.*;
public class QqClientUser {

	public boolean checkUser(User u)
	{
		return new QqClientConServer().sendLoginInfoToServer(u);
	}
	
}

Tools里面有四个类

ClientConServerThread.java

代码语言:javascript复制
/**
 * 这是客户端和服务器端保持通讯的线程.
 */
package com.qq.client.tools;

import java.io.*;
import java.net.*;

import com.qq.client.view.QqChat;
import com.qq.client.view.QqFriendList;
import com.qq.common.*;
public class ClientConServerThread extends Thread {

	private Socket s;
	
	//构造函数
	public ClientConServerThread(Socket s)
	{
		this.s=s;
	}
	
	public void run()
	{
		while(true)
		{
			//不停的读取从服务器端发来的消息
			try {
				
				ObjectInputStream ois=new ObjectInputStream(s.getInputStream());
				Message m=(Message)ois.readObject();
			/*	System.out.println("读取到从服务发来的消息"  m.getSender()  " 给 " m.getGetter() " 内容" 
						m.getCon());*/
				
				if(m.getMesType().equals(MessageType.message_comm_mes))
				{
				
					//把从服务器获得消息,显示到该显示的聊天界面
					QqChat qqChat=ManageQqChat.getQqChat(m.getGetter() " " m.getSender());
					//显示
					qqChat.showMessage(m);
				}else if(m.getMesType().equals(MessageType.message_ret_onLineFriend))
				{
					System.out.println("客户端接收到" m.getCon());
					String con=m.getCon();
					String friends[]=con.split(" ");
					String getter=m.getGetter();
					System.out.println("getter=" getter);
					//修改相应的好友列表.
					QqFriendList qqFriendList=ManageQqFriendList.getQqFriendList(getter);
					
				//	if(qqFriendList)
					//更新在线好友.
					if(qqFriendList!=null)
					{
						qqFriendList.upateFriend(m);
					}
				}
			} catch (Exception e) {
				e.printStackTrace();
				// TODO: handle exception
			}
		}
	}

	public Socket getS() {
		return s;
	}

	public void setS(Socket s) {
		this.s = s;
	}
	
}

ManageClientConServerThread.java

代码语言:javascript复制
/**
 * 这是一个管理客户端和服务器保持通讯的线程类
 */
package com.qq.client.tools;

import java.util.*;
public class ManageClientConServerThread {

	private static HashMap hm=new HashMap<String, ClientConServerThread>();
	
	//把创建好的ClientConServerThread放入到hm
	public static void addClientConServerThread(String qqId,ClientConServerThread ccst)
	{
		hm.put(qqId, ccst);
	}
	
	//可以通过qqId取得该线程 
	public static ClientConServerThread getClientConServerThread(String qqId)
	{
		return (ClientConServerThread)hm.get(qqId);
	}
}

ManageQqChat.java

代码语言:javascript复制
/**
 * 这是一个管理用户聊天界面的类
 */
package com.qq.client.tools;

import java.util.*;
import com.qq.client.view.*;
public class ManageQqChat {

	private static HashMap hm=new HashMap<String, QqChat>();
	
	//加入
	public static void addQqChat(String loginIdAnFriendId,QqChat qqChat)
	{
		hm.put(loginIdAnFriendId, qqChat);
	}
	//取出
	public static QqChat getQqChat(String loginIdAnFriendId )
	{
		return (QqChat)hm.get(loginIdAnFriendId);
	}
	
}

ManageQqFriendList.java

代码语言:javascript复制
/**
 * 管理好友、黑名单..界面类
 */
package com.qq.client.tools;

import java.util.*;
import java.io.*;
import com.qq.client.view.*;
public class ManageQqFriendList {

	private static HashMap hm=new HashMap<String, QqFriendList>();
	
	public static void addQqFriendList(String qqid,QqFriendList qqFriendList){
		
		hm.put(qqid, qqFriendList);
	}
	
	public static QqFriendList getQqFriendList(String qqId)
	{
		return (QqFriendList)hm.get(qqId);
	}
}

View里面有三个类

QqChat.java

代码语言:javascript复制
/**
 * 这是与好友聊天的界面
 * 因为客户端,要处于读取的状态,因此我们把它做成一个线程
 */
package com.qq.client.view;

import com.qq.client.tools.*;
import com.qq.client.model.*;
import com.qq.common.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
public class QqChat extends JFrame implements ActionListener{

	JTextArea jta;
	JTextField jtf;
	JButton jb;
	JPanel jp;
	String ownerId;
	String friendId;
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		//QqChat qqChat=new QqChat("1");
	}
	
	public QqChat(String ownerId,String friend)
	{
		this.ownerId=ownerId;
		this.friendId=friend;
		jta=new JTextArea();
		jtf=new JTextField(15);
		jb=new JButton("发送");
		jb.addActionListener(this);
		jp=new JPanel();
		jp.add(jtf);
		jp.add(jb);
		
		this.add(jta,"Center");
		this.add(jp,"South");
		this.setTitle(ownerId " 正在和 " friend " 聊天");
		this.setIconImage((new ImageIcon("image/qq.gif").getImage()));
		this.setSize(300, 200);
		this.setVisible(true);
		
		
	}
	
	//写一个方法,让它显示消息
	public void showMessage(Message m)
	{
		String info=m.getSender() " 对 " m.getGetter() " 说:" m.getCon() "rn";
		this.jta.append(info);
	}

	public void actionPerformed(ActionEvent arg0) {
		// TODO Auto-generated method stub
		if(arg0.getSource()==jb)
		{
			//如果用户点击了,发送按钮
			Message m=new Message();
			m.setMesType(MessageType.message_comm_mes);
			m.setSender(this.ownerId);
			m.setGetter(this.friendId);
			m.setCon(jtf.getText());
			m.setSendTime(new java.util.Date().toString());
			//发送给服务器.
			try {
				ObjectOutputStream oos=new ObjectOutputStream
				(ManageClientConServerThread.getClientConServerThread(ownerId).getS().getOutputStream());
				oos.writeObject(m);
			} catch (Exception e) {
				e.printStackTrace();
				// TODO: handle exception
			}
			
			
		}
			
	}



}

QqClientLogin.java

代码语言:javascript复制
/**
* 功能:qq客户端登录界面
*/
package com.qq.client.view;
import com.qq.common.*;
import com.qq.client.tools.*;
import java.io.*;
import javax.swing.*;
import com.qq.client.model.QqClientUser;
import com.qq.common.User;
import java.awt.*;
import java.awt.event.*;
public class QqClientLogin extends JFrame implements ActionListener{
//定义北部需要的组件
JLabel jbl1;
//定义中部需要的组件
//.中部有三个JPanel,有一个叫选项卡窗口管理
JTabbedPane jtp;
JPanel jp2,jp3,jp4;
JLabel jp2_jbl1,jp2_jbl2,jp2_jbl3,jp2_jbl4;
JButton jp2_jb1;
JTextField jp2_jtf;
JPasswordField jp2_jpf;
JCheckBox jp2_jcb1,jp2_jcb2;
//定义南部需要的组件
JPanel jp1;
JButton jp1_jb1,jp1_jb2,jp1_jb3;
public static void main(String[] args) {
// TODO Auto-generated method stub
QqClientLogin qqClientLogin=new QqClientLogin();
}
public QqClientLogin()
{
//处理北部
jbl1=new JLabel(new ImageIcon("image/tou.gif"));
//处理中部
jp2=new JPanel(new GridLayout(3,3));
jp2_jbl1=new JLabel("QQ号码",JLabel.CENTER);
jp2_jbl2=new JLabel("QQ密码",JLabel.CENTER);
jp2_jbl3=new JLabel("忘记密码",JLabel.CENTER);
jp2_jbl3.setForeground(Color.blue);
jp2_jbl4=new JLabel("申请密码保护",JLabel.CENTER);
jp2_jb1=new JButton(new ImageIcon("image/clear.gif"));
jp2_jtf=new JTextField();
jp2_jpf=new JPasswordField();
jp2_jcb1=new JCheckBox("隐身登录");
jp2_jcb2=new JCheckBox("记住密码");
//把控件按照顺序加入到jp2
jp2.add(jp2_jbl1);
jp2.add(jp2_jtf);
jp2.add(jp2_jb1);
jp2.add(jp2_jbl2);
jp2.add(jp2_jpf);
jp2.add(jp2_jbl3);
jp2.add(jp2_jcb1);
jp2.add(jp2_jcb2);
jp2.add(jp2_jbl4);
//创建选项卡窗口
jtp=new JTabbedPane();
jtp.add("QQ号码",jp2);
jp3= new JPanel();
jtp.add("手机号码",jp3);
jp4=new JPanel();
jtp.add("电子邮件",jp4);
//处理南部
jp1=new JPanel();
jp1_jb1=new JButton(new ImageIcon("image/denglu.gif"));
//响应用户点击登录
jp1_jb1.addActionListener(this);
jp1_jb2=new JButton(new ImageIcon("image/quxiao.gif"));
jp1_jb3=new JButton(new ImageIcon("image/xiangdao.gif"));
//把三个按钮放入到jp1
jp1.add(jp1_jb1);
jp1.add(jp1_jb2);
jp1.add(jp1_jb3);
this.add(jbl1,"North");
this.add(jtp,"Center");
//..把jp1放在南部
this.add(jp1,"South");
this.setSize(350, 240);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);
}
public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
//如果用户点击登录
if(arg0.getSource()==jp1_jb1)
{
QqClientUser qqClientUser=new QqClientUser();
User u=new User();
u.setUserId(jp2_jtf.getText().trim());
u.setPasswd(new String(jp2_jpf.getPassword()));
if(qqClientUser.checkUser(u))
{
try {
//把创建好友列表的语句提前.
QqFriendList qqList=new QqFriendList(u.getUserId());
ManageQqFriendList.addQqFriendList(u.getUserId(), qqList);
//发送一个要求返回在线好友的请求包.
ObjectOutputStream oos=new ObjectOutputStream
(ManageClientConServerThread.getClientConServerThread(u.getUserId()).getS().getOutputStream());
//做一个Message
Message m=new Message();
m.setMesType(MessageType.message_get_onLineFriend);
//指明我要的是这个qq号的好友情况.
m.setSender(u.getUserId());
oos.writeObject(m);
} catch (Exception e) {
e.printStackTrace();
// TODO: handle exception
}
//关闭掉登录界面
this.dispose();
}else{
JOptionPane.showMessageDialog(this,"用户名密码错误");
}
}
}
}

QqFriendList.java

代码语言:javascript复制
/**
* 我的好友列表,(也包括陌生人,黑名单)
*/
package com.qq.client.view;
import com.qq.client.tools.*;
import com.qq.common.Message;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class QqFriendList extends JFrame implements ActionListener,MouseListener{
//处理第一张卡片.
JPanel jphy1,jphy2,jphy3;
JButton jphy_jb1,jphy_jb2,jphy_jb3;
JScrollPane jsp1;
String owner;
//处理第二张卡片(陌生人).
JPanel jpmsr1,jpmsr2,jpmsr3;
JButton jpmsr_jb1,jpmsr_jb2,jpmsr_jb3;
JScrollPane jsp2;
JLabel []jb1s;
//把整个JFrame设置成CardLayout
CardLayout cl;
public static void main(String[] args) {
// TODO Auto-generated method stub
//	QqFriendList qqFriendList=new QqFriendList();
}
//更新在线的好友情况
public void upateFriend(Message m)
{
String onLineFriend[]=m.getCon().split(" ");
for(int i=0;i<onLineFriend.length;i  )
{
jb1s[Integer.parseInt(onLineFriend[i])-1].setEnabled(true);
}
}
public QqFriendList(String ownerId)
{
this.owner=ownerId;
//处理第一张卡片(显示好友列表)
jphy_jb1=new JButton("我的好友");
jphy_jb2=new JButton("陌生人");
jphy_jb2.addActionListener(this);
jphy_jb3=new JButton("黑名单");
jphy1=new JPanel(new BorderLayout());
//假定有50个好友
jphy2=new JPanel(new GridLayout(50,1,4,4));
//给jphy2,初始化50好友.
jb1s =new JLabel[50];
for(int i=0;i<jb1s.length;i  )
{
jb1s[i]=new JLabel(i 1 "",new ImageIcon("image/mm.jpg"),JLabel.LEFT);
jb1s[i].setEnabled(false);
if(jb1s[i].getText().equals(ownerId))
{
jb1s[i].setEnabled(true);
}
jb1s[i].addMouseListener(this);
jphy2.add(jb1s[i]);
}
jphy3=new JPanel(new GridLayout(2,1));
//把两个按钮加入到jphy3
jphy3.add(jphy_jb2);
jphy3.add(jphy_jb3);
jsp1=new JScrollPane(jphy2);
//对jphy1,初始化
jphy1.add(jphy_jb1,"North");
jphy1.add(jsp1,"Center");
jphy1.add(jphy3,"South");
//处理第二张卡片
jpmsr_jb1=new JButton("我的好友");
jpmsr_jb1.addActionListener(this);
jpmsr_jb2=new JButton("陌生人");
jpmsr_jb3=new JButton("黑名单");
jpmsr1=new JPanel(new BorderLayout());
//假定有20个陌生人
jpmsr2=new JPanel(new GridLayout(20,1,4,4));
//给jphy2,初始化20陌生人.
JLabel []jb1s2=new JLabel[20];
for(int i=0;i<jb1s2.length;i  )
{
jb1s2[i]=new JLabel(i 1 "",new ImageIcon("image/mm.jpg"),JLabel.LEFT);
jpmsr2.add(jb1s2[i]);
}
jpmsr3=new JPanel(new GridLayout(2,1));
//把两个按钮加入到jphy3
jpmsr3.add(jpmsr_jb1);
jpmsr3.add(jpmsr_jb2);
jsp2=new JScrollPane(jpmsr2);
//对jphy1,初始化
jpmsr1.add(jpmsr3,"North");
jpmsr1.add(jsp2,"Center");
jpmsr1.add(jpmsr_jb3,"South");
cl=new CardLayout();
this.setLayout(cl);
this.add(jphy1,"1");
this.add(jpmsr1,"2");
//在窗口显示自己的编号.
this.setTitle(ownerId);
this.setSize(140, 400);
this.setVisible(true);
}
public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
//如果点击了陌生人按钮,就显示第二张卡片
if(arg0.getSource()==jphy_jb2)
{
cl.show(this.getContentPane(), "2");
}else if(arg0.getSource()==jpmsr_jb1){
cl.show(this.getContentPane(), "1");
}
}
public void mouseClicked(MouseEvent arg0) {
// TODO Auto-generated method stub
//响应用户双击的事件,并得到好友的编号.
if(arg0.getClickCount()==2)
{
//得到该好友的编号
String friendNo=((JLabel)arg0.getSource()).getText();
//System.out.println("你希望和 " friendNo " 聊天");
QqChat qqChat=new QqChat(this.owner,friendNo);
//把聊天界面加入到管理类
ManageQqChat.addQqChat(this.owner " " friendNo, qqChat);
}
}
public void mouseEntered(MouseEvent arg0) {
// TODO Auto-generated method stub
JLabel jl=(JLabel)arg0.getSource();
jl.setForeground(Color.red);
}
public void mouseExited(MouseEvent arg0) {
// TODO Auto-generated method stub
JLabel jl=(JLabel)arg0.getSource();
jl.setForeground(Color.black);
}
public void mousePressed(MouseEvent arg0) {
// TODO Auto-generated method stub
}
public void mouseReleased(MouseEvent arg0) {
// TODO Auto-generated method stub
}
}

4.结语

一个小程序挺有意思,也了解了一下socket机制,线程的运用很巧妙,挺锻炼思维,希望小编与读者可以共同交流成长。

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