Java鼠标监听

矫情吗；* 2023-06-06 12:21 16阅读 0赞

import java.awt.Color;
    import java.awt.Frame;
    import java.awt.Label;
    import java.awt.TextField;
    import java.awt.event.MouseEvent;
    import java.awt.event.MouseListener;
    import java.awt.event.MouseMotionListener;
    import java.awt.event.WindowAdapter;
    import java.awt.event.WindowEvent;
    //第一种方法
    public class test implements MouseMotionListener,MouseListener{ 
        Frame f=new Frame("关于鼠标的多重监听器");//窗体
        TextField tf=new TextField(30);//文本框
        public test() { //构造方法
            Label label=new Label("请按下鼠标左键并拖动");//标签的功能只是显示文本，不能动态地编辑文本。
            f.add(label,"North");
            f.add(tf,"South");
            f.setBackground(new Color(180,255,255));
            f.addMouseListener(this);//添加一个鼠标监听
            f.addMouseMotionListener(this);
    
            f.addWindowListener(new WindowAdapter(){ //添加一个窗口监听
                public void windowClosing(WindowEvent e) { //窗口关闭事件
                    System.exit(0);
                }
            });
    
            f.setSize(300,200);
            f.setLocation(400,250);//设置窗体位置
            f.setVisible(true);
        }
    
    
    
        @Override
        public void mouseClicked(MouseEvent e) { 
            System.out.println("鼠标点击---"+"\t"); 
            if(e.getClickCount()==1) { 
                System.out.println("单击");
            }else if(e.getClickCount()==2) { 
                System.out.println("双击");
            }else if(e.getClickCount()==3) { 
                System.out.println("三连击");
            }
        }
    
        @Override
        public void mousePressed(MouseEvent e) { 
            System.out.println("鼠标按下");     
        }
    
        @Override
        public void mouseReleased(MouseEvent e) { 
            System.out.println("鼠标松开");     
        }
    
        @Override
        public void mouseEntered(MouseEvent e) { 
            tf.setText("鼠标已经进入窗体"); 
        }
    
        @Override
        public void mouseExited(MouseEvent e) { 
            tf.setText("鼠标已经移出窗体");     
        }
    
        @Override
        public void mouseDragged(MouseEvent e) { 
                    String str="鼠标所在的坐标:("+e.getX()+","+e.getY()+")";
                    tf.setText(str);
        }
    
        @Override
        public void mouseMoved(MouseEvent e) { 
                System.out.println("鼠标移动了");    
        }
    public static void main(String[] args) { 
    	new test();
    }
    }