java隨筆——GUI
阿新 • • 發佈:2018-11-09
//AWT事件處理 import java.awt.event.*; import java.awt.*; public class Main { static public void main(String[] args) { Frame f=new Frame("我的窗體!");//建立視窗 f.setSize(400,300); f.setLocation(300,200); f.setVisible(true);//視窗視覺化 //監聽器 MyWindowListener mw=new MyWindowListener(); f.addWindowListener(mw); //匿名內部類實現 Button btn=new Button("EXIT"); f.add(btn); btn.addMouseListener(new MouseListener() { public void mouseClicked(MouseEvent e) { System.exit(0); } }); } } class MyWindowListener implements WindowListener { public void windowClosing(WindowEvent e) { Window window=e.getWindow(); window.setVisible(false); window.dispose(); } }
//窗體事件 import java.awt.*; import java.awt.event.*; public class Main { static public void main(String[] args) { final Frame f=new Frame(); f.setSize(400,300); f.setLocation(300, 200); f.setVisible(true); f.addWindowListener(new WindowListener() { public void windowOpened(WindowEvent e) { System.out.println("窗體開啟事件"); } public void windowIconified(WindowEvent e) { System.out.println("窗體圖示化事件"); } public void windowDeiconified(WindowEvent e) { System.out.println("取消窗體圖示化事件"); } public void windowDeactivated(WindowEvent e) { System.out.println("窗體停用事件"); } public void windowClosing(WindowEvent e) { System.out.println("窗體正在關閉事件"); // Window w=e.getWindow(); // w.setVisible(false); // w.dispose(); } public void windowClosed(WindowEvent e) { System.out.println("窗體關閉事件"); } public void windowActivated(WindowEvent e) { System.out.println("窗體啟用事件"); } }); } } /* * 窗體的開啟,關閉,縮小有對應的事件 */
//滑鼠事件 import java.awt.*; import java.awt.event.*; public class Main { static public void main(String[] args) { final Frame f=new Frame(); f.setLayout(new BorderLayout()); f.setSize(400, 300); f.setLocation(300,200); f.setVisible(true); Button but=new Button("Button"); f.add(but); but.addMouseListener(new MouseListener() { public void mouseReleased(MouseEvent e) { System.out.println("滑鼠放開事件"); } public void mousePressed(MouseEvent e) { System.out.println("滑鼠按下事件"); } public void mouseExited(MouseEvent e) { System.out.println("滑鼠移出按鈕區域事件"); } public void mouseEntered(MouseEvent e) { System.out.println("滑鼠進入按鈕區域事件"); } public void mouseClicked(MouseEvent e) { System.out.println("滑鼠完成點選事件"); } }); } } /* * 還有滑鼠左擊事件,右擊事件,中擊事件等。 */
public class Main
{
static public void main(String[] args)
{
Frame f=new Frame("KeyEvent");
f.setLayout(new FlowLayout());
f.setSize(400,200);
f.setLocation(300, 200);
TextField tf=new TextField(30);
f.add(tf);
f.setVisible(true);
tf.addKeyListener(new KeyAdapter()
{
public void KeyPressed(KeyEvent e)
{
int KeyCode=e.getKeyCode();
String s=KeyEvent.getKeyText(keyCode);
System.out.print("輸入的內容為:"+s+",");
System.out.println("對應的值為:"+"KeyCode");
}
});
}
}