java用代码关闭窗口 java关闭窗口时弹出对话框
java中关闭当前窗口用什么代码
setDefaultCloseOperation(JFrame.EXIT_ON_CLOES)会让整个程序都退出
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JFrame.DISPOSE_ON_CLOSE只让当前的窗口关闭而已
java关闭窗体的六种方法
前段时间集中精力写了两篇论文 很久没写博文了 现在继续了
使用JFrame的enableEvents和processWindowEvent
//Frame java
import java awt *;
import java awt event *;
import javax swing *;
public class Frame extends JFrame {
public Frame () {
enableEvents(AWTEvent WINDOW_EVENT_MASK);
this setSize(new Dimension( ));
this setTitle( Frame );
}
protected void processWindowEvent(WindowEvent e) {
super processWindowEvent(e);
if (e getID() == WindowEvent WINDOW_CLOSING) {
System exit( );
}
}
}
直接实现WindowListener接口
//Frame java
import java awt *;
import java awt event *;
public class Frame extends Frame implements WindowListener {
public Frame () {
this setSize(new Dimension( ));
this setTitle( Frame );
this addWindowListener(this);
}
public void windowClosing(WindowEvent windowEvent) {
System exit( );
}
public void windowOpened(WindowEvent windowEvent) { }
public void windowClosed(WindowEvent windowEvent) { }
public void windowIconified(WindowEvent windowEvent) { }
public void windowDeiconified(WindowEvent windowEvent) { }
public void windowActivated(WindowEvent windowEvent) { }
public void windowDeactivated(WindowEvent windowEvent) { }
}
直接继承窗体适配器WindowAdapter
//Frame java
import java awt *;
import java awt event *;
public class Frame extends WindowAdapter {
public Frame () {
Frame f=new Frame();
f setSize(new Dimension( ));
f setTitle( Frame );
f addWindowListener(this);
f setVisible(true);
}
public static void main(String[] s){
new Frame ();
}
public void windowClosing(WindowEvent windowEvent) {
System exit( );
}
}
间接继承窗体适配器WindowAdapter
//Frame java
import java awt *;
import java awt event *;
public class Frame extends Frame {
public Frame () {
this setSize(new Dimension( ));
this setTitle( Frame );
this addWindowListener(new winAdapter());
this setVisible(true);
}
public static void main(String[] s){
new Frame ();
}
}
class winAdapter extends WindowAdapter{
public void windowClosing(WindowEvent windowEvent) {
System exit( );
}
}
间接实现WindowListener接口
//Frame java
import java awt *;
import java awt event *;
public class Frame extends Frame {
public Frame () {
this setSize(new Dimension( ));
this setTitle( Frame );
this addWindowListener(new winEventHandle());
this setVisible(true);
}
public static void main(String[] s){
new Frame ();
}
}
class winEventHandle implements WindowListener {
public void windowClosing(WindowEvent windowEvent) {
System exit( );
}
public void windowOpened(WindowEvent windowEvent) { }
public void windowClosed(WindowEvent windowEvent) { }
public void windowIconified(WindowEvent windowEvent) { }
public void windowDeiconified(WindowEvent windowEvent) { }
public void windowActivated(WindowEvent windowEvent) { }
public void windowDeactivated(WindowEvent windowEvent) { }
}
使用Inner Class
//Frame java
import java awt *;
import java awt event *;
public class Frame {
public Frame (){
Frame f=new Frame();
f addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System exit( );
}
});
f setSize(new Dimension( ));
f setVisible(true);
}
public static void main(String[] s){
new Frame ();
}
}
Jframe的关闭方法
setDefaultCloseOperation(EXIT_ON_CLOSE);
frame的关闭方法如下
this addWindowListener(new java awt event WindowAdapter() {
public void windowClosing(java awt event WindowEvent e) {
System exit( );
}
lishixinzhi/Article/program/Java/hx/201311/27073
java窗口关闭代码
给Frame 添加一个监听就可以了，如果你是用的JFrame不用添加监听直接点击小叉叉就可以关闭窗口了
Frame frame = new Frame("测试");
frame.setSize(300, 300);
frame.setVisible(true);
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);// 退出程序
}
});
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