java|鼠标动作监听类MouseListener

java|鼠标动作监听类MouseListener
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【java|鼠标动作监听类MouseListener】

import java.awt.event.ActionEvent ; import java.awt.event.ActionListener ; import java.awt.event.WindowListener ; import java.awt.event.WindowAdapter ; import java.awt.event.WindowEvent ; import java.awt.event.KeyEvent ; import java.awt.event.MouseEvent ; import java.awt.event.KeyAdapter ; import java.awt.event.KeyListener ; import java.awt.event.MouseListener ; import javax.swing.JTextArea ; import javax.swing.JFrame ; import javax.swing.JScrollPane ; import javax.swing.JPasswordField ; class MyMouse extends JFrame implements MouseListener { JTextArea text = new JTextArea() ; public MyMouse() { super.setTitle("鼠标精灵") ; JScrollPane scr = new JScrollPane(text) ; scr.setBounds(5,5,300,200) ; super.add(scr) ; text.addMouseListener(this) ; super.addWindowListener(new WindowAdapter() { public void WindowClosing(WindowEvent e) { System.exit(1) ; } }) ; super.setSize(400,300) ; super.setVisible(true) ; }public void mouseClicked(MouseEvent e)//得到鼠标键值 { int c = e.getButton() ; String mouseinfo = null; if(c==MouseEvent.BUTTON1) { mouseinfo = "左键\n" ; } if(c==MouseEvent.BUTTON2) { mouseinfo = "滚轮\n" ; } if(c==MouseEvent.BUTTON3) { mouseinfo = "右键\n" ; } text.append("被按下的是"+mouseinfo) ; }public void mouseEntered(MouseEvent e)//鼠标进入组件 { text.append("鼠标进入组件\n") ; }public void mouseExited(MouseEvent e)//鼠标离开组件 { text.append("鼠标离开组件\n") ; }public void mousePressed(MouseEvent e)//鼠标被按下 { text.append("鼠标被按下\n") ; }public void mouseReleased(MouseEvent e)//鼠标被放开 { text.append("鼠标被松开\n") ; }} ; class Tester { public static void main(String args[]) { MyMouse mhk = new MyMouse() ; } } ;



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