Question

实现换肤的功能 ，怎么不行啊 import java.awt.*; import java.io.*; import java.awt.event.*; import jav

import java.awt.*;
import java.io.*;
import java.awt.event.*;
import javax.swing.*;
class Skin extends Frame{
FileDialog fileDialog;
JFrame frame;
JLabel label;
public Skin(String Tilte)
{
frame=new JFrame("Title");
Button btnOpen=new Button("Open");

btnOpen.addActionListener(new ActionListener() {

@Override
public void actionPerformed(ActionEvent e) {
fileDialog=new FileDialog(frame,"open",FileDialog.LOAD);
fileDialog.setVisible(true);
String file=fileDialog.getFile();
if(file.endsWith(".jpg")&& file.endsWith(".bmp")){
ImageIcon image=new ImageIcon(file);
label=new JLabel(image);
frame.add(label);
frame.setSize(400,100);
frame.setVisible(true);
}
}
});
frame.add(btnOpen);

}

public static void main(String []args){
new Skin("皮肤");
}
}

Answer 1

将Button btnOpen=new Button("Open");这句位置别放在构造方法中，试试

Answer 2

飞