知识大全 java关闭窗体的六种方法

Posted 2022-07-19 知

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　　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( );

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