client.java

java做的局域网仿QQ聊天室,登陆界面等都是仿QQ程序

import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;
import javax.swing.*;
import java.util.*;

public class Client extends JFrame implements 
ActionListener,Runnable,KeyListener
{
	public static int port=8888;
	ServerSocket server;
	Socket client;
	BufferedReader cin;
    PrintWriter cout;
    private javax.swing.Timer timer=new javax.swing.Timer(1000,this);
	static  ClientLoad clientload;
	//以下为GUI设计变量声明
	private Font font1=new Font("宋体",Font.BOLD,17);
	private String strUsername=null;
	private JLabel welcomeUser=new JLabel();
	private JButton exitButton=new JButton("退出");
	private JComboBox jcbfont=new JComboBox();
	private JComboBox jcbfontsize=new JComboBox();
	private JButton jcbmusic=new JButton("停止音乐");
	private JButton boldButton=new JButton("B");
	private JButton italButton=new JButton("I");
	private JButton underButton=new JButton("U");
	private JButton colorfor=new JButton("字色");
	private JButton colorback=new JButton("背景");
	private JPanel jpTop=new JPanel(new BorderLayout());
	private JPanel jpAll=new JPanel(new BorderLayout());
	JButton messageButton=new JButton("发送消息");
	JTextArea clientMessage=new JTextArea(2,30);
	private JLabel label1=new JLabel("      聊天室名单      ");
    Vector userName=new Vector();
	private JList jlist=new JList(userName);	
	JPanel jpCenter=new JPanel(new BorderLayout());
	JPanel jpBase=new JPanel();
	JPanel jpList=new JPanel();
	
	JPanel jpfont=new JPanel();
	JPanel jpAdd=new JPanel(new GridLayout(2,1,0,0));
	JScrollPane messageScrollPane;
	JScrollPane clientScrollPane;
	JTextArea message=new JTextArea();
	Thread chart=null;
	int i=1;
	boolean isBold=false;
	boolean isItlic=false;
	Sound su1=new Sound("Music1.mid");
	public Client()
	{
		super("网络聊天客户端");
		Getusername();
		AddTop();
		AddCenter();
		AddSouth();
		AddList();
		AddFont();
		jcbmusic.setSelected(true);
		jpAll.add(jpAdd,BorderLayout.SOUTH);
		jpAll.add(jpCenter,BorderLayout.CENTER);
		jpAll.add(jpTop,BorderLayout.NORTH);
		this.getContentPane().add(jpAll,BorderLayout.CENTER);
		this.setBackground(Color.red);
		this.setSize(700,400);
		Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
		this.setLocation((d.width - this.getSize().width) / 2,
		(d.height - this.getSize().height) / 2);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		ClientLoad.password.selectAll();
		//验证用户名及密码
		if(loginServer(ClientLoad.username.getSelectedItem().toString(),
		ClientLoad.password.getSelectedText()))
		{
		
			
			chart=new Thread(this);
			chart.start();
			this.setVisible(true);
			timer.start();	
		}
		else{
        	JOptionPane.showMessageDialog(null,"用户名或密码错误！请重新登录！");
        	ClientLoad clientload=new ClientLoad();
        	System.exit(-1);
        }
        
        su1.play();
		
	}
	public void AddFont()
	{
		jpfont.setBackground(new Color(118,205,255));
		jpBase.setBackground(new Color(118,205,255));
		for(int i=8;i<29;i++) jcbfontsize.addItem(String.valueOf(i));
		jcbfontsize.setSelectedItem("15");
		//获得系统字体类型
		 GraphicsEnvironment env=GraphicsEnvironment.getLocalGraphicsEnvironment();
        String fontNames[]=env.getAvailableFontFamilyNames();
        for(int i=0;i<fontNames.length;i++)
        {
        	jcbfont.addItem(fontNames[i]);
        }
        jcbfont.setSelectedItem("宋体");
		jpfont.add(jcbfont);
		jpfont.add(jcbfontsize);
		boldButton.setFont(new Font("SansSerif",Font.BOLD,14));
		jpfont.add(boldButton);
		italButton.setFont(new Font("SansSerif",Font.ITALIC+Font.BOLD,14));
		jpfont.add(italButton);
		underButton.setFont(new Font("SansSerif",Font.PLAIN,14));
		jpfont.add(underButton);
		jpfont.add(colorfor);
		jpfont.add(colorback);
		jpfont.add(jcbmusic);
		jpAdd.add(jpfont);
		jpAdd.add(jpBase);
		
		jcbfont.addActionListener(this);
		jcbfontsize.addActionListener(this);
		underButton.addActionListener(this);
		italButton.addActionListener(this);
		boldButton.addActionListener(this);
		colorback.addActionListener(this);
		colorfor.addActionListener(this);
		jcbmusic.addActionListener(this);
		
	}
	public void AddList()
	{
		label1.setForeground(new Color(118,205,255));
		jpList.setLayout(new BorderLayout());
		jpList.add(jlist,BorderLayout.CENTER);
		jpList.add(label1,BorderLayout.NORTH);
	}
	public void AddSouth()
	{
		clientMessage.addKeyListener(this);
		clientScrollPane=new JScrollPane(clientMessage,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
		JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
		jpBase.add(clientScrollPane);
		jpBase.add(messageButton);
		messageButton.addActionListener(this);
	}
	public void AddCenter()
	{
		message.setFont(new Font("宋体",Font.PLAIN,15));
		messageScrollPane=new JScrollPane(message,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
		JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
		jpCenter.add(messageScrollPane,BorderLayout.CENTER);
		jpCenter.add(jpList,BorderLayout.EAST);
	}
	public void AddTop()
	{
		jpTop.setBackground(new Color(118,205,255));
		exitButton.addActionListener(this);
		jpTop.add(exitButton,BorderLayout.EAST);
		welcomeUser.setFont(font1);
		welcomeUser.setForeground(Color.blue);
		welcomeUser.setHorizontalAlignment(JLabel.RIGHT);
		jpTop.add(welcomeUser,BorderLayout.CENTER);
	}
	public void Getusername()
	{
		strUsername=ClientLoad.username.getSelectedItem().toString();
		welcomeUser.setText(""+strUsername+"欢迎您来到聊天室！");
	}
	
	//以下为KeyListenner接口
	  public void keyReleased(KeyEvent e)
	  {
	  	
	  }
	  public void keyTyped(KeyEvent e)
	  {
	  	
	  }
	  public void keyPressed(KeyEvent e)
	  {	
	  	if(e.getKeyCode()==KeyEvent.VK_ENTER)
	  	{
	  		
	  		sendMessage(clientMessage.getText());
			message.append("发送："+clientMessage.getText()+"\n");	
	  	}
	  }
	public void actionPerformed(ActionEvent e)
	{
		if(i%3==1)
		{
			welcomeUser.setHorizontalAlignment(JLabel.RIGHT);
			welcomeUser.setForeground(Color.blue);
		}
		if(i%3==0)
		{
			welcomeUser.setHorizontalAlignment(JLabel.LEFT);
			welcomeUser.setForeground(Color.red);
		}
		if(i%3==2)
		{
			welcomeUser.setHorizontalAlignment(JLabel.CENTER);
			welcomeUser.setForeground(Color.white);
		}
		i++;
		if(e.getSource()==exitButton)
		{
			cout.println("exit");
			chart=null;
			}
		if (e.getSource()==messageButton)
		{
			sendMessage(clientMessage.getText());
			message.append("发送："+clientMessage.getText()+"\n");
		}
		if(e.getSource()==jcbfont||e.getSource()==jcbfontsize
		||e.getSource()==boldButton)
		{
			String strSize=null;
			String strName=null;
			strName=jcbfont.getSelectedItem().toString();
			strSize=jcbfontsize.getSelectedItem().toString();
			Font font=new Font(strName,Font.PLAIN,Integer.parseInt(strSize));
			if(isItlic)
			{
				if(isBold)
				{
					font=new Font(strName,Font.ITALIC,Integer.parseInt(strSize));
					isBold=false;
				}
				else
				{
					font=new Font(strName,Font.ITALIC+Font.BOLD,Integer.parseInt(strSize));
					isBold=true;
				}
				
			}
			else
			{
				if(isBold)
				{
					font=new Font(strName,Font.PLAIN,Integer.parseInt(strSize));
					isBold=false;
				}
				else
				{
					font=new Font(strName,Font.BOLD,Integer.parseInt(strSize));
					isBold=true;
				}
			
			}
			
			message.setFont(font);
			
		}
		if(e.getSource()==italButton)
		{
			String strSize=null;
			String strName=null;
			strName=jcbfont.getSelectedItem().toString();
			strSize=jcbfontsize.getSelectedItem().toString();
			Font font=new Font(strName,Font.PLAIN,Integer.parseInt(strSize));
			if(isBold)
			{
				
				if(isItlic)
				{
					font=new Font(strName,Font.BOLD,Integer.parseInt(strSize));
					isItlic=false;
				}
				else
				{
					font=new Font(strName,Font.ITALIC+Font.BOLD,Integer.parseInt(strSize));
					isItlic=true;
				}
				
			}
			
			else
			{
			
				if(isItlic)
				{
					font=new Font(strName,Font.PLAIN,Integer.parseInt(strSize));
					isItlic=false;
				}
				else
				{
					font=new Font(strName,Font.ITALIC,Integer.parseInt(strSize));
					isItlic=true;
				}
			
			}
			
			message.setFont(font);
		}
		if(e.getSource()==colorback)
		{
			Color selectedColor =JColorChooser.showDialog(null, "背景颜色--QQ",
            message.getBackground());

        	if (selectedColor != null)
         	message.setBackground(selectedColor);
		}
		if(e.getSource()==colorfor)
		{
			Color selectedColor =JColorChooser.showDialog(null, "字体颜色--QQ",
            message.getForeground());

        	if (selectedColor != null)
         	message.setForeground(selectedColor);
		}
		if(e.getActionCommand()=="停止音乐")
		{
			su1.stop();
			jcbmusic.setText("播放音乐");
		}
		if(e.getActionCommand()=="播放音乐")
		{
			su1.play();
			jcbmusic.setText("停止音乐");
		}
		if(e.getActionCommand()=="退出")
		{
			System.exit(0);
		}
		
	}
	
	public boolean loginServer(String username,String password)
	{
		try{
		
		client=new Socket(ClientLoad.ServerIP.getText(),
		Integer.parseInt(ClientLoad.ServerPort.getText()));
		cin=new BufferedReader(new InputStreamReader(client.getInputStream()));
        cout=new PrintWriter(client.getOutputStream(),true);
        //cinObject=new ObjectInputStream();
        cout.println(username);
        cout.println(password);
        String readLine1=cin.readLine();
        
        if(readLine1.equals("ok"))
        	{
        		String readuserlist=cin.readLine();
         		String usernames[] = readuserlist.split(",");
        		userName.clear();
        		jlist.removeAll();
        		int i =1;
        		while(i<usernames.length)
        		{
        			userName.add(usernames[i]);
        			i++;
        		}
        		
        		return true;
        	}
        	
        	}catch(Exception e)
        	{
        	}
        
         return false; 	
	}
	
	public void run()
	{
		String aline;
	try{
		while(chart!=null&&(aline=cin.readLine() )!=null)
        {
          if(aline.equals("exit")||aline.equals("stop"))
          {
          	message.append("服务器已断开!重新登录！\n");
          	break;
          }	   
         
          else message.append("服务器说："+aline+"\n");
          Thread.sleep(200);
          }
            cin.close() ;
        	cout.close() ;
        	client.close() ;
         }
        catch(Exception e)
        {       }
        
 	}
	public void sendMessage(String mes)
	{
		cout.println(mes);
     }
     
     
    

}