?? frame1.java~14~
字號:
package mouseevent;import java.awt.*;import java.awt.event.*;import javax.swing.*;public class Frame1 extends JFrame { JPanel contentPane; BorderLayout borderLayout1 = new BorderLayout(); Panel panel1 = new Panel(); Label label1 = new Label(); Cursor cursor = new Cursor(Cursor.CROSSHAIR_CURSOR); /**Construct the frame*/ public Frame1() { enableEvents(AWTEvent.WINDOW_EVENT_MASK); try { jbInit(); } catch(Exception e) { e.printStackTrace(); } } /**Component initialization*/ private void jbInit() throws Exception { //setIconImage(Toolkit.getDefaultToolkit().createImage(Frame1.class.getResource("[Your Icon]"))); contentPane = (JPanel) this.getContentPane(); contentPane.setLayout(borderLayout1); this.setSize(new Dimension(227, 215)); this.setTitle("MouseEvent演示程序"); label1.setText("鼠標事件演示"); panel1.addMouseListener(new java.awt.event.MouseAdapter() { public void mousePressed(MouseEvent e) { panel1_mousePressed(e); } }); panel1.setCursor(cursor); contentPane.add(panel1, BorderLayout.CENTER); contentPane.add(label1, BorderLayout.SOUTH); } /**Overridden so we can exit when window is closed*/ protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e); if (e.getID() == WindowEvent.WINDOW_CLOSING) { System.exit(0); } } void panel1_mousePressed(MouseEvent e) { label1.setText("鼠標事件發生在坐標:("+e.getX()+","+e.getY()+")"); if(e.getModifiers() == e.BUTTON1_MASK) label1.setText(label1.getText()+"----左鍵"); else if(e.getModifiers() == e.BUTTON3_MASK) label1.setText(label1.getText()+"----右鍵"); }}?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -