请高手解答!!!!关于鼠标状态的 问题,~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 要能够区别的 判断 及时的判断 比如在两个不同的 控件上,从第一个空间按右键托到第2个控件上也不会有bug 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 我这里有个例子希望对你有所帮助!小弟初到贵地:希望楼主给分!import java.awt.*;import java.awt.event.*;import javax.swing.*;public class MouseDetails extends JFrame{ private int xPos,yPos; public MouseDetails() { super("Mouse clicks and buttons"); this.addMouseListener(new MouseClickHandler()); this.setSize(500,350); this.setVisible(true); } public void paint(Graphics g) { super.paint(g); g.drawString("Clicked @ ["+xPos+","+yPos+"]",xPos,yPos); } public static void main(String args[]) { MouseDetails application=new MouseDetails(); application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } private class MouseClickHandler extends MouseAdapter { public void mouseClicked(MouseEvent e) { xPos=e.getX(); yPos=e.getY(); //返回单击的次数 String title="Clicked"+e.getClickCount()+"time(s)"; if(e.isMetaDown()) title+="with right mouse button"; //用户单击鼠标右键时返回真 else if(e.isAltDown()) title+="with center mouse button"; //用户单击鼠标中键时返回真 else title+="with left mouse button"; setTitle(title); repaint(); } }} import java.awt.*;import javax.swing.*;import java.awt.event.*;public class c1 extends JFrame implements MouseListener{ public static void main(String args[]) { c1 frame=new c1(); } int px,py,px2,py2; JLabel lb1; JButton bu1; public c1() { super("c1"); Container c=getContentPane(); c.setLayout(null); lb1=new JLabel("鼠标状态"); lb1.setFont(new Font("宋体",Font.BOLD,20)); lb1.setSize(200,28); lb1.setLocation(10,10); c.add(lb1); bu1=new JButton("鼠标按键区"); bu1.setSize(100,100); bu1.setLocation(100,100); bu1.addMouseListener(this); c.add(bu1); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setSize(500,400); setVisible(true); } public void mousePressed(MouseEvent e){} public void mouseReleased(MouseEvent e){} public void mouseEntered(MouseEvent e){} public void mouseExited(MouseEvent e){} public void mouseClicked(MouseEvent e) { if(e.getModifiers()==InputEvent.BUTTON1_MASK) { lb1.setText("按了一下左键"); } if(e.getModifiers()==InputEvent.BUTTON3_MASK) { lb1.setText("按了一下右键"); } }} 请: zhaohao19853(贱人) 写个示范谢谢!!!!!!!!!!!!!!!!!!! 泛型类申明对象, 和课本一样的代码, 课本的运行结果是“一只小狗 一只小花猫” ,可实际上根本不能运行,是哪里出错了呢。 java文件读取的问题,真的很纳闷 两个线程的讨论问题 询问一个绘图软件的设计方案 移动的圆 请问哪能下载THINKING IN JAVA?? 算法设计问题 用struts1+highcharts 开发报表 我应该双击哪个图标来运行我写的程序呢? 来者有分,在线等待!100分求助:我在用JBuild运行JAVA代码时,出现下面的Message,为什么? java一简单面试题 请问System.out.println()的真正含义是什么?(50分!)
小弟初到贵地:希望楼主给分!import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class MouseDetails extends JFrame
{
private int xPos,yPos;
public MouseDetails()
{
super("Mouse clicks and buttons");
this.addMouseListener(new MouseClickHandler());
this.setSize(500,350);
this.setVisible(true);
}
public void paint(Graphics g)
{
super.paint(g);
g.drawString("Clicked @ ["+xPos+","+yPos+"]",xPos,yPos);
}
public static void main(String args[])
{
MouseDetails application=new MouseDetails();
application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
private class MouseClickHandler extends MouseAdapter
{
public void mouseClicked(MouseEvent e)
{
xPos=e.getX();
yPos=e.getY();
//返回单击的次数
String title="Clicked"+e.getClickCount()+"time(s)";
if(e.isMetaDown())
title+="with right mouse button"; //用户单击鼠标右键时返回真
else if(e.isAltDown())
title+="with center mouse button"; //用户单击鼠标中键时返回真
else
title+="with left mouse button";
setTitle(title);
repaint();
} }
}
import javax.swing.*;
import java.awt.event.*;
public class c1 extends JFrame implements MouseListener
{
public static void main(String args[])
{
c1 frame=new c1();
}
int px,py,px2,py2;
JLabel lb1;
JButton bu1;
public c1()
{
super("c1");
Container c=getContentPane();
c.setLayout(null);
lb1=new JLabel("鼠标状态");
lb1.setFont(new Font("宋体",Font.BOLD,20));
lb1.setSize(200,28);
lb1.setLocation(10,10);
c.add(lb1);
bu1=new JButton("鼠标按键区");
bu1.setSize(100,100);
bu1.setLocation(100,100);
bu1.addMouseListener(this);
c.add(bu1);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(500,400);
setVisible(true);
}
public void mousePressed(MouseEvent e){}
public void mouseReleased(MouseEvent e){}
public void mouseEntered(MouseEvent e){}
public void mouseExited(MouseEvent e){}
public void mouseClicked(MouseEvent e)
{
if(e.getModifiers()==InputEvent.BUTTON1_MASK)
{
lb1.setText("按了一下左键");
}
if(e.getModifiers()==InputEvent.BUTTON3_MASK)
{
lb1.setText("按了一下右键");
}
}
}
写个示范谢谢!!!!!!!!!!!!!!!!!!!