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分享窗口关闭的问题
各位请帮个忙,我作了一个类似于windows记事本一样的程序,想在关闭窗口时弹出是否保存,可是我现在点击是和否都会关闭,我在windowclosing事件中写的
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dxhxiaotian411 2006-07-21
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谢谢,奉上分数
mq612 2006-07-20
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import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
public class Test extends JFrame {
public Test() {
super("Test");
this.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
this.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent arg0) {
int i=JOptionPane.showConfirmDialog(null,"是否关闭程序","系统提示",JOptionPane.YES_NO_OPTION,JOptionPane.QUESTION_MESSAGE);
if(i == JOptionPane.YES_OPTION){
System.exit(0); // 退出系统
}else if(i == JOptionPane.NO_OPTION){
System.out.println("不退出系统");
}
}});
this.setSize(300, 200);
this.setVisible(true);
}
public static void main(String[] arg) {
new Test();
}
}
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
public class Test extends JFrame {
public Test() {
super("Test");
this.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
this.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent arg0) {
int i=JOptionPane.showConfirmDialog(null,"是否关闭程序","系统提示",JOptionPane.YES_NO_OPTION,JOptionPane.QUESTION_MESSAGE);
if(i == JOptionPane.YES_OPTION){
System.exit(0); // 退出系统
}else if(i == JOptionPane.NO_OPTION){
System.out.println("不退出系统");
}
}});
this.setSize(300, 200);
this.setVisible(true);
}
public static void main(String[] arg) {
new Test();
}
}
