import java.applet.*;
import java.awt.*;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.image.*;public class example7_7 extends Applet implements MouseListener {
int number=5;
int count=0;
Image card []=new Image[number];
public void init(){
addMouseListener(this);
for(int i=0;i<number;i++)
card[i]=getImage(getCodeBase(),"DSC"+i+".jpg");
}
public void paint(Graphics g){
if((card[count])!=null)
g.drawImage(card[count],10,10,card[count].getWidth(this),card[count].getHeight(this),this);
}
public void mousePressed(MouseEvent e)
{
count=(count+1)%number;
repaint();
}
public void mouseReleased(MouseEvent e)
{}
public void mouseEntered(MouseEvent e)
{}
public void mouseExited(MouseEvent e)
{}
public void mouseClicked(MouseEvent e)
{}
}
程序启动总是空白的 为什么图片不会显示 图片都放在同个目录下了
难道是太大 需要缓冲?
import java.awt.*;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.image.*;public class example7_7 extends Applet implements MouseListener {
int number=5;
int count=0;
Image card []=new Image[number];
public void init(){
addMouseListener(this);
for(int i=0;i<number;i++)
card[i]=getImage(getCodeBase(),"DSC"+i+".jpg");
}
public void paint(Graphics g){
if((card[count])!=null)
g.drawImage(card[count],10,10,card[count].getWidth(this),card[count].getHeight(this),this);
}
public void mousePressed(MouseEvent e)
{
count=(count+1)%number;
repaint();
}
public void mouseReleased(MouseEvent e)
{}
public void mouseEntered(MouseEvent e)
{}
public void mouseExited(MouseEvent e)
{}
public void mouseClicked(MouseEvent e)
{}
}
程序启动总是空白的 为什么图片不会显示 图片都放在同个目录下了
难道是太大 需要缓冲?
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;import javax.swing.ImageIcon;
import javax.swing.JLabel;
public class example7_7 extends Applet implements MouseListener { private static final long serialVersionUID = 1L; /**
* This is the default constructor
*/
public example7_7() {
super();
} /**
* This method initializes this
*
* @return void
*/
int number=5;
int count=0;
String card[] = new String[number]; // @jve:decl-index=0:
private JLabel jLabel = null;
public void init(){
jLabel = new JLabel();
jLabel.setSize(500,500);
for(int i=0;i<number;i++)
card[i]= "/\u5176\u5b83/image/"+i+".jpg";
jLabel.setIcon(new ImageIcon(getClass().getResource(card[count])));
this.add(jLabel, null);
jLabel.addMouseListener(this);
this.setSize(500, 500);
}
/*public void paint(Graphics g){
if((card[count])!=null)
g.drawImage(card[count],10,10,card[count].getWidth(this),card[count].getHeight(this),this);
}*/
public void mousePressed(MouseEvent e)
{
count=(count+1)%number;
jLabel.removeAll();
jLabel.setIcon(new ImageIcon(getClass().getResource(card[count])));
jLabel.repaint();
jLabel.revalidate();
this.validate();
}
public void mouseReleased(MouseEvent e)
{}
public void mouseEntered(MouseEvent e)
{}
public void mouseExited(MouseEvent e)
{}
public void mouseClicked(MouseEvent e)
{}
/**
* This method initializes jButton
*
* @return javax.swing.JButton
*/}