java-鼠标监听（MouseListener、MouseMotionListener）-鼠标事件（MouseEvent）

public class APP {
public static void main(String[] args) {
//第一种
new test();
//第二种
test1 t=new test1();
t.actionss();
}
}

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");
}

}

import java.awt.Color;
import java.awt.Frame;
import java.awt.Label;
import java.awt.TextField;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

//第二种方法，new MouseAdapter()匿名内部类，相比较第一种的优势：可以不用重写所有鼠标事件的方法。
public class test1 {
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 test1() {//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.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);
}
public void actionss() {
MouseAdapter l=new MouseAdapter() {//匿名内部类
@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");
}
};
f.addMouseListener(l);//处理鼠标的操作事件
f.addMouseMotionListener(l);//处理鼠标的滑动事件
}

}