jiamijiemi.java

自己做的图形用户界面程序设计。希望得到指点

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class JiaMiJieMi extends JFrame
{	
   private JButton calculateJButton,calculateJButton1;
   private JLabel textJLabel,pictureJLabel,yuanshuJLabel,jiamiJLabel,jiemishuJLabel,jiemiJLabel;
   private JTextField yuanshuJTextField,jiemishuJTextField,jiamiResultJTextField,jiemiResultJTextField;
   public JiaMiJieMi()
   {
      createUserInterface();
   }
     //创建一个contentpane容器颜色为粉色
   public void createUserInterface()
   { Container c = getContentPane();
   c.setBackground( Color.pink);
   c.setLayout( null );
   //创建并添加一个Jlabel1（）；
      textJLabel = new JLabel();
      textJLabel.setText( "数据加密" );
      textJLabel.setLocation( 300, 100 );  //设置Jlabel1坐标
      textJLabel.setSize( 550, 50 );      //设置Jlabel1的大小
      textJLabel.setFont( new Font( "SansSerif", Font.PLAIN, 26 ) ); //设置Jlabel1中文本的字体属性
      textJLabel.setHorizontalAlignment( JLabel.CENTER );  //设置Jlabel1中文字居中
      c.add( textJLabel );
      textJLabel = new JLabel();
      textJLabel.setText( "数据解密" );
      textJLabel.setLocation( 300, 300 );  //设置Jlabel1坐标
      textJLabel.setSize( 550, 50 );      //设置Jlabel1的大小
      textJLabel.setFont( new Font( "SansSerif", Font.PLAIN, 26 ) ); //设置Jlabel1中文本的字体属性
      textJLabel.setHorizontalAlignment( JLabel.CENTER );  //设置Jlabel1中文字居中
      c.add( textJLabel );       
      Icon icon=new ImageIcon ("椰风.jpg");
      pictureJLabel=new JLabel (icon);
      pictureJLabel.setBounds(0,0,475,600);
      c.add(pictureJLabel);
      yuanshuJLabel = new JLabel();
      yuanshuJLabel.setText( "数     据:" ); //设置文本内容为“数据：”
      yuanshuJLabel.setBounds( 500, 170, 130, 21 );//设置Jlabel的坐标和大小
      c.add( yuanshuJLabel );
      jiemishuJLabel = new JLabel();
      jiemishuJLabel.setText( "解密数据:" ); //设置文本内容为“数据：”
      jiemishuJLabel.setBounds( 500, 370, 130, 21 );//设置Jlabel的坐标和大小
      c.add( jiemishuJLabel );     
      //创建JtextField   
      yuanshuJTextField = new JTextField();
      yuanshuJTextField.setText( "" ); 
      yuanshuJTextField.setBounds(550, 170, 70, 21 );//设置JtextField坐标和大小
      yuanshuJTextField.setHorizontalAlignment( JTextField.RIGHT );//设置整个标签右对齐
      c.add(yuanshuJTextField );
      yuanshuJTextField.addKeyListener(//设置监听方式 
      new KeyAdapter()
     {
    	  //设置监听方式为键盘输入事件
        public void keyPressed( KeyEvent event )
            {
               yuanshuJTextFieldKeyPressed( event );
            }
            }
   );
      jiemishuJTextField = new JTextField();
      jiemishuJTextField.setText( "" ); 
            jiemishuJTextField.setBounds(560, 370, 70, 21 );//设置JtextField坐标和大小
            jiemishuJTextField.setHorizontalAlignment( JTextField.RIGHT );//设置整个标签右对齐
            c.add(jiemishuJTextField );
      jiamiJLabel = new JLabel();
      jiamiJLabel.setText( "加     密:" );
      jiamiJLabel.setBounds( 500, 170, 100, 110 );
      c.add( jiamiJLabel );
      jiemiJLabel = new JLabel();
      jiemiJLabel.setText( "解        密:" );
      jiemiJLabel.setBounds( 500, 370, 100, 110 );
      c.add( jiemiJLabel );
      jiamiResultJTextField = new JTextField();
      jiamiResultJTextField.setBounds( 550, 216, 70, 20 );
      jiamiResultJTextField.setHorizontalAlignment( 
      JTextField.RIGHT );
      jiamiResultJTextField.setEditable( false );
      c.add( jiamiResultJTextField );
      jiemiResultJTextField = new JTextField();
      jiemiResultJTextField.setBounds( 560, 417, 70, 20 );
      jiemiResultJTextField.setHorizontalAlignment( 
      JTextField.RIGHT );
      jiemiResultJTextField.setEditable( false );
      c.add( jiemiResultJTextField );
      calculateJButton = new JButton();
      calculateJButton.setText( "加密" );
      calculateJButton.setBounds( 540, 250, 90, 30 );
      c.add( calculateJButton );
      calculateJButton1 = new JButton();
      calculateJButton1.setText( "解密" );
      calculateJButton1.setBounds( 550, 450, 90, 30 );
      c.add( calculateJButton1 );
      calculateJButton1.addActionListener(
      new ActionListener() 
    	         {    
    	            public void actionPerformed( ActionEvent event )
    	            {
    	               calculateJButtonActionPerformed1( event );
    	            }
    	         } 
    	    ); 
      calculateJButton.addActionListener(
      new ActionListener() 
         {  
            public void actionPerformed( ActionEvent event )
            {
               calculateJButtonActionPerformed( event );
            }
         } 
    ); 

      setTitle( "加密解密程序" ); 
      setSize( 700, 550);    
      setVisible( true );      

   } 
 //加密主程序；
  private void calculateJButtonActionPerformed( ActionEvent event )
   {
      int yshu,jshu,n,n1=0,n2=0,n3=0,n4=0;
      yshu = Integer.parseInt( yuanshuJTextField.getText() );
      n=yshu;
    for(int i=3;i>=0;i--)
   {n=yshu/(int)Math.pow(10,i);
     switch(i+1)
   {case 4: n4=(n+7)%10;break;
    case 3: n3=(n+7)%10;break;
    case 2: n2=(n+7)%10;break;
    case 1: n1=(n+7)%10;break;
   }
   jshu=n2*1000+n1*100+n4*10+n3;
   jiamiResultJTextField.setText( String.valueOf( jshu ) );     
   } 
   }
  private void calculateJButtonActionPerformed1( ActionEvent event )
  {
     int yshu; 
     int jshu;  
     int n,n1=0,n2=0,n3=0,n4=0;
     yshu = Integer.parseInt( jiemishuJTextField.getText() );
     n=yshu;
   for(int i=3;i>=0;i--)
   {n=yshu/(int)Math.pow(10,i);
    switch(i+1)
   {case 4: n4=(n+3)%10;break;
    case 3: n3=(n+3)%10;break;
    case 2: n2=(n+3)%10;break;
    case 1: n1=(n+3)%10;break;
    }
   jshu=n2*1000+n1*100+n4*10+n3;
   jiemiResultJTextField.setText( String.valueOf( jshu ) );    
  } 
  }
  private void yuanshuJTextFieldKeyPressed( KeyEvent event )
   {
      jiamiResultJTextField.setText( "" ); 
   } 
   public static void main( String[] args )
   {
      JiaMiJieMi application = new JiaMiJieMi();
      application.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
} 
}