chap.java

JAVA编写的聊天工具

import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;
import javax.swing.*;
import javax.swing.Box;
import java.applet.*;
import java.net.*;
import java.io.*;
import java.util.*;
public class chap extends JApplet implements ActionListener
{
		
		String userName;
		String userPass;
		
		ObjectOutputStream oos;
		ObjectInputStream ois;
		
		JLabel lUser;
		JTextField tfName;
		JLabel lPass;
		JPasswordField pfPass;
		JButton btLogin;
		JButton btReset;	
		JPanel mPanel;
		
	    TextArea textinput;
	    TextArea textoutput;
	    JButton buttonsend;
	    JButton buttonexits;
	    JButton buttonFont;  
	    JButton buttonpictrue;
	    JPanel panel;
	    
		int paintStage=0;
        mydialog dialog1;
        mydialog2 dialog2;
        Button buttonEnter;
        Button buttonexit;
        JButton pictrue;
        Icon ig; 
		Choice    choice1; 
		Choice    choice2; 
		Choice    choice3; 
	public void init()
	{
		paintStage=0;
		//以下为建立第一登录界面
		mPanel = (JPanel)this.getContentPane();
		mPanel.setLayout(null);
		
	    lUser = new JLabel("用户:");
	    lUser.setBounds(10, 10, 50, 20);
	    tfName = new JTextField(10);
	    tfName.setBounds(70, 10, 160, 20);
	    lPass = new JLabel("密码:");
	    lPass.setBounds(10, 40, 50, 20);
	    pfPass = new JPasswordField(10);
	    pfPass.setBounds(70, 40, 160, 20);
	    btLogin = new JButton("Login");
	    btLogin.setBounds(40, 90, 80, 20);
	    btLogin.addActionListener(this);
	    btReset = new JButton("Reset");
	    btReset.setBounds(130, 90, 80, 20);
	    btReset.addActionListener(this);
	    
	   
		mPanel.add(lUser);
		mPanel.add(tfName);
	    mPanel.add(lPass);
		mPanel.add(pfPass);
		mPanel.add(btLogin);
		mPanel.add(btReset);   
		
	
	}	
public void actionPerformed(ActionEvent e)
	{	
		//处理对登录界面按钮的点击
		if (e.getSource() == btLogin)
		{Chap ();
		/*	try
			{
			    Socket cs = new Socket("127.0.0.1", 10000);
			    
			    oos = new ObjectOutputStream(cs.getOutputStream());
			    ois = new ObjectInputStream(cs.getInputStream());
			    
			    //向服务器验证用户身份
			    Message u = new Message();
			    u.m1 = tfName.getText();
			    u.m2 = String.valueOf(pfPass.getPassword());
			    oos.writeObject(u);
			    
			    Message tu = (Message)ois.readObject();
			    if (tu.m1.equalsIgnoreCase(new String("OK")))
			    {
			    	//若为合法用户,则出现界面
			     
			   //} 
//else
			 //   {
			    	 
			    //    JOptionPane.showMessageDialog(null,"input right  number","Messenge",JOptionPane.ERROR_MESSAGE);
			   // }
		
			    
			   
			}
			catch(Exception e1)
			{
				e1.printStackTrace();
			}*/
		}

		else
		{
			tfName.setText("");
			pfPass.setText("");
		}
	}
public void Chap()
	
{	    paintStage=1;
        mPanel.removeAll();
        this.setSize(400,420);
        panel=new JPanel();
      	
      
       
       	panel = (JPanel)this.getContentPane();
        panel.setLayout(null);
     
        textinput = new TextArea("",10,10,textoutput.SCROLLBARS_BOTH);
        textinput.setBounds(20,240,355,120);
      	textoutput = new TextArea("",10,10,textoutput.SCROLLBARS_BOTH);
        textoutput.setBounds(20,20,355,165);
      	
   
        
      	Myframe myframe = new Myframe();
     	buttonpictrue= new JButton("图片");
        buttonpictrue.setBounds(60,200,60,30);
        
        buttonpictrue.addActionListener(myframe);
        buttonFont=new JButton("字体");
        buttonFont.setBounds(150,200,60,30);
        buttonFont.addActionListener(myframe);
      	buttonsend= new JButton("发送");
      	buttonsend.setBounds(60,380,60,30);
      	buttonsend.addActionListener(myframe);
      	buttonexits=new JButton("退出");
      	buttonexits.setBounds(150,380,60,30);
      	buttonexits.addActionListener(myframe);
             	      	
                 	
      	
      	
     
        panel.add(buttonFont);
        panel.add(buttonpictrue);
      	panel.add(textinput);
        panel.add(textoutput);
      	panel.add(buttonsend);
      	panel.add(buttonexits);
      	
	
	}
  class Myframe extends JFrame implements  ActionListener
     
     {	  
       public void actionPerformed(ActionEvent e)
      {
      	    ObjectOutputStream oos;
	    	ObjectInputStream ois;
      	 if(e.getSource()==buttonsend)
      	 {  
      	 	textoutput.append("\n"+textinput.getText());
            
      	 	textinput.setText("");
      	 
      	 	
      	 }
      	 else if(e.getSource()==buttonexits)
      	 {
            this.dispose();
      	 }
      	  else if(e.getSource()==buttonFont)
      	 {
      	 	dialog1=new mydialog(this);
      	 	
      	 	
      	 }
      	 
      	 else if(e.getSource()==buttonpictrue)
      	 {
      	 	dialog2=new mydialog2(this);
      	 }
      	 else
      	 {System.out.println("jkjkklklk");
      	 }
      
      }
     }

class mydialog extends Dialog implements ItemListener,ActionListener
{
	
	public mydialog(Frame parent)
	{
	  super(parent,"字体",true);
	
     setLayout(new FlowLayout());
     add(new Label("字体大小:"));
    choice1=new Choice();
   	choice1.addItem("10");
	choice1.addItem("12");
    choice1.addItem("14");
	choice1.addItem("18");
	this.add(choice1);
	choice1.addItemListener(this);
	
	add(new Label("  字形类型:"));
	 choice2=new Choice();
	choice2.addItem("粗体");
	choice2.addItem("普通");
	choice2.addItem("斜体");
	this.add(choice2);
	
	add(new Label("字体名:"));
	choice3=new Choice();
	choice3.add("Dialog");
	choice3.add("DialogInput");
	choice3.add("SansSerif");
	choice3.add("Serif");
	choice3.add("Monospaced");
	this.add(choice3);
	
	
	add(buttonEnter=new Button("确定"));
	buttonEnter.addActionListener(this);
	
    add(buttonexit=new Button("退出"));
	buttonexit.addActionListener(this);

	
	setSize(600,100);
	
	 setVisible(true);
	}
	public void actionPerformed(ActionEvent ae)
	{   if(ae.getSource()==buttonexit)
		{
			dispose();
		}
		if(ae.getSource()==buttonEnter)
		{
			choice1.getSelectedItem();
			choice2.getSelectedItem();
			choice3.getSelectedItem();
			dispose();
		}
	}
	public void itemStateChanged(ItemEvent e)
	{     
		
		  if(choice1.getSelectedIndex()==0&&choice2.getSelectedIndex()==0)
			{   
				
				
					if(choice3.getSelectedIndex()==0)
					{
						textinput.setFont(new Font("Dialog",Font.BOLD,10));
					}
					if(choice3.getSelectedIndex()==1)
					{
						textinput.setFont(new Font("DialogInput",Font.BOLD,10));
					}
					if(choice3.getSelectedIndex()==2)
					{
						textinput.setFont(new Font("SansSerif",Font.BOLD,10));
					}
					if(choice3.getSelectedIndex()==3)
					{
						textinput.setFont(new Font("Serif",Font.BOLD,10));
					}
					if(choice3.getSelectedIndex()==4)
					{
						textinput.setFont(new Font("Monospaced",Font.BOLD,10));
					}
					
				}
				if(choice1.getSelectedIndex()==0&&choice2.getSelectedIndex()==1)
				{
					if(choice3.getSelectedIndex()==0)
					{
						textinput.setFont(new Font("Dialog",Font.PLAIN,10));
					}
					if(choice3.getSelectedIndex()==1)
					{
						textinput.setFont(new Font("DialogInput",Font.PLAIN,10));
					}
					if(choice3.getSelectedIndex()==2)
					{
						textinput.setFont(new Font("SansSerif",Font.PLAIN,10));
					}
					if(choice3.getSelectedIndex()==3)
					{
						textinput.setFont(new Font("Serif",Font.PLAIN,10));
					}
					if(choice3.getSelectedIndex()==4)
					{
						textinput.setFont(new Font("Monospaced",Font.PLAIN,10));
					}
				}
				if(choice1.getSelectedIndex()==0&&choice2.getSelectedIndex()==2)
				{
			    	if(choice3.getSelectedIndex()==0)
					{
						textinput.setFont(new Font("Dialog",Font.ITALIC,10));
					}
					if(choice3.getSelectedIndex()==1)
					{
						textinput.setFont(new Font("DialogInput",Font.ITALIC,10));
					}
					if(choice3.getSelectedIndex()==2)