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WindowListener 窗体监听器

2015-07-07 23:35 555 查看
2014年9月8日 16:49:22
package cn.itcast.listener;
 
import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
 
public class FrameDemo {
 
public static void main(String[] args) {
Frame f = new Frame("我的窗体");//事件源
f.setSize(600, 400);
f.setVisible(true);
//注册监听器
//		f.addWindowListener(new WindowListener() {
//
//public void windowOpened(WindowEvent e) {
//	
//}
//
//public void windowIconified(WindowEvent e) {
//	
//}
//
//public void windowDeiconified(WindowEvent e) {
//	
//}
//
//public void windowDeactivated(WindowEvent e) {
//	
//}
//
//public void windowClosing(WindowEvent e) {//事件对象一般是作为监听器方法的参数存在的，它封装了发生事件的对象
//	Frame ff = (Frame)e.getSource();
//	ff.dispose();//关闭窗口
//}
//
//public void windowClosed(WindowEvent e) {
//	
//}
//
//public void windowActivated(WindowEvent e) {
//	
//}
//});
f.addWindowListener(new WindowAdapter() {
 
@Override
public void windowClosing(WindowEvent e) {
Frame ff = (Frame)e.getSource();
ff.dispose();//关闭窗口
}
});
}
 
}
2014年9月8日 16:49:22
package cn.itcast.listener;
 
import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
 
public class FrameDemo {
 
public static void main(String[] args) {
Frame f = new Frame("我的窗体");//事件源
f.setSize(600, 400);
f.setVisible(true);
//注册监听器
//		f.addWindowListener(new WindowListener() {
//
//public void windowOpened(WindowEvent e) {
//	
//}
//
//public void windowIconified(WindowEvent e) {
//	
//}
//
//public void windowDeiconified(WindowEvent e) {
//	
//}
//
//public void windowDeactivated(WindowEvent e) {
//	
//}
//
//public void windowClosing(WindowEvent e) {//事件对象一般是作为监听器方法的参数存在的，它封装了发生事件的对象
//	Frame ff = (Frame)e.getSource();
//	ff.dispose();//关闭窗口
//}
//
//public void windowClosed(WindowEvent e) {
//	
//}
//
//public void windowActivated(WindowEvent e) {
//	
//}
//});
f.addWindowListener(new WindowAdapter() {
 
@Override
public void windowClosing(WindowEvent e) {
Frame ff = (Frame)e.getSource();
ff.dispose();//关闭窗口
}
});
}
 
}

                                            

                                        

                        
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