uml建模技术-图书管理系统为例建模过程3.doc

22-1import java.applet.*;import java.awt.*;public class Example22_1 extends Applet Image img; public void start() img=getImage(getCodeBase(),vintdev.jpg); public void paint(Graphics g) g.drawImage(img,2,2,this); 22-2import java.applet.*;import java.awt.*;public class Example22_2 extends Applet Image img;int height,width; public void start() img=getImage(getCodeBase(),vintdev.jpg); height=img.getHeight(this); width=img.getWidth(this); public void paint(Graphics g) g.drawImage(img,22,72,width,height,this); g.drawImage(img,2+width,2+height,width,height,this); 22-3import java.applet.*;import java.awt.*; public class Wuqiong extends Applet static Image img; Canvas canvas; static int width,height; public void init() setLayout(new GridLayout(3,1);add(new Button(); add(new Button(); canvas=new Mycanvas(); add(canvas); width=getSize().width;height=getSize().height; public void start() img=getImage(getCodeBase(),Tom1.jpg); class Mycanvas extends Canvas public void paint(Graphics g) g.drawImage(Wuqiong.img,0,0,Wuqiong.width,(Wuqiong.height)/3,this); 22-4import java.applet.*;import java.awt.*;import java.awt.event.*;public class Example22_4 extends Applet implements MouseListenerfinal int number=38; int count=0; Image card=new Imagenumber; public void init() addMouseListener(this); for(int i=0;inumber) count=0; repaint(); public void mouseReleased(MouseEvent e) public void mouseEntered(MouseEvent e) public void mouseExited(MouseEvent e) public void mouseClicked(MouseEvent e)22-5import java.applet.*;import java.awt.*;import java.awt.event.*;public class Example22_5 extends Applet implements Runnablefinal int number=59; int count=0; Thread mythread; Image pic=new Imagenumber; public void init() for(int i=0;i59) count=0; repaint(); count+; trymythread.sleep(200); catch(InterruptedException e) public void paint(Graphics g) if(piccount)!=null)g.drawImage(piccount,10,10,piccount.getWidth(this),piccount.getHeight(this),this); 22-6import java.applet.*;import java.awt.*;import java.awt.event.*;class Imagecanvas extends Canvas Toolkit tool; Image myimage; Imagecanvas() getSize(); tool=getToolkit();/Toolkit myimage=tool.getImage(apple.jpg);/tool public void paint(Graphics g) g.drawImage(myimage,10,10,myimage.getWidth(this),myimage.getHeight(this),this); public Dimension getPreferredSize() return new Dimension(160,100); public class Example22_6 public static void main(String args) Imagecanvas canvas=new Imagecanvas(); Frame frame=new Frame(); frame.setLayout(new BorderLayout(); frame.add(canvas,Center); frame.add(South,new Label(); frame.add(West,new Label(); frame.add(North,new Label(); frame.setSize(400,300);frame.setVisible(true); frame.pack(); frame.addWindowListener(new WindowAdapter() public void windowClosing(WindowEvent e) System.exit(0); ); 22-7import java.applet.*;import java.awt.*;import java.awt.event.*;class Imagecanvas extends Canvas implements MouseListenerfinal int number=59; int count=0; Toolkit tool; Image card=new Imagenumber; Imagecanvas() getSize(); tool=getToolkit(); addMouseListener(this); for(int i=0;inumber-1) count=0; repaint(); public void mouseReleased(MouseEvent e) public void mouseEntered(MouseEvent e) public void mouseExited(MouseEvent e) public void mouseClicked(MouseEvent e)public class Example226 public static void main(String args) Imagecanvas canvas=new Imagecanvas(); Frame frame=new Frame(); frame.setLayout(new BorderLayout(); frame.add(canvas,Center); frame.add(South,new Label();frame.add(West,new Label(); frame.add(North,new Label(); frame.setSize(400,300);frame.setVisible(true); frame.pack(); frame.addWindowListener(new WindowAdapter() public void windowClosing(WindowEvent e) System.exit(0); ); 22-8import java.awt.*;import java.awt.event.*;public class Frame_Icon public static void main(String args) Frame frame=new Frame(); Toolkit tool= frame.getToolkit();/Toolkit Image myimage=tool.getImage(apple.jpg);