超简单的java获取鼠标点击位置坐标的实例（鼠标在Jframe上的坐标）

import java.awt.FlowLayout;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import javax.swing.JFrame;import javax.swing.JLabel;public class Jframe_1 {  public static void main(String[] args) {      JFrame jf = new JFrame("Jframe");      jf.setLayout(new FlowLayout());      jf.setSize(300,200);      //设定窗体的宽和高      jf.setVisible(true);      // 设定窗口为可见      jf.setLocation(800,200);    // 设定窗体的坐标        JLabel lb = new JLabel("此处显示鼠标右键点击后的坐标");   //  创建一个 Label对象      jf.add(lb);     // 添加标签到窗口上       jf.addMouseListener(new MouseListener() {   //为窗口添加鼠标事件监听器        @Override        public void mousePressed(MouseEvent e) {          // TODO Auto-generated method stub          if(e.getButton()==e.BUTTON3){    // 判断获取的按钮是否为鼠标的右击                 lb.setText(e.getX()+","+e.getY());     // 获得鼠标点击位置的坐标并发送到标签的文字上           }        }        @Override        public void mouseClicked(MouseEvent e) {          // TODO Auto-generated method stub        }        @Override        public void mouseReleased(MouseEvent e) {          // TODO Auto-generated method stub        }        @Override        public void mouseEntered(MouseEvent e) {          // TODO Auto-generated method stub        }        @Override        public void mouseExited(MouseEvent e) {          // TODO Auto-generated method stub        }      });      }      }