package com.ay;

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

public class GUI1 {

    public static void main(String[] args) {

        test01();

    }


    public static void test01(){

        final boolean[] flay = {true};
        //实现代码，配置GUI界面
        final JFrame j = new JFrame("阿夜");
        j.setLocation(0,0);
        j.setSize(1000,700);
        j.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        j.setLayout(null);

        //添加按钮和图片

        final JLabel l = new JLabel();
        ImageIcon i = new ImageIcon("D:/Down/icon.png");
        l.setBounds(0,0,i.getIconWidth(),i.getIconHeight());
        l.setIcon(i);
        JButton b = new JButton("隐藏图片");
        b.setBounds(20,600,150,30);

        //给按钮添加监听

        b.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                if (flay[0]){
                    l.setVisible(false);
                    b.setText("显示图片");
                    flay[0] =false;
                }
                else {
                    l.setVisible(true);
                    b.setText("隐藏图片");
                    flay[0] =true;
                }
            }
        });



        j.add(l);
        j.add(b);
        j.setVisible(true);

    }

}

// 切换显示
public void actionPerformed(ActionEvent e) {
					if (b.getText() == "隐藏图片") {
						l.setVisible(false);
						b.setText("显示图片");
					} else if(b.getText() == "显示图片") {
						l.setVisible(true);
						b.setText("隐藏图片");
					}
				}

// 上下左右移动
if (e.getKeyCode() == 38) {
					// 图片向上移动
					l.setLocation(l.getX(), l.getY() - 10);
				} else if (e.getKeyCode() == 40) {
					// 图片向下移动 
					l.setLocation(l.getX(), l.getY() + 10);
				} else if (e.getKeyCode() == 37) {
					// 图片向左移动 
					l.setLocation(l.getX() - 10, l.getY());
				} else if (e.getKeyCode() == 39) {
					// 图片向右移动 
					l.setLocation(l.getX() + 10, l.getY());
				}

 jFrame.addKeyListener(e->{
               if(e.getKeyCode()==39)
                jLabel.setLocation(jLabel.getX()+10,jLabel.getY());
        });

package com.ztalx.gui;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.Random;

public class MainGUI extends JFrame {
    private File file = new File("sizeAndLocation.txt");
    public MainGUI(){

    }
    public MainGUI(String name){
        super(name);
        isFileYesOrNo(file);//创建文件
        locationWindowSize();//初始化窗口位置
        writerXANDY(file,3000);//更新本地文件位置信息
        setSize(400,400);
        imageBtnDisplayAndHide();//这个是点击显示隐藏图片方法
        //imageKeyDownUpAndDownAndLeftAndRight();
        //imageMouseXandY();
        setLayout(null);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setVisible(true);
    }

    /**
     * 当鼠标进入图片随机跳转
     */
    public void imageMouseXandY(){
        ImageIcon img = new ImageIcon("C:\\Users\\Administrator\\Downloads\\shana_heiheihei.png");
        JLabel jLabel = new JLabel();
        jLabel.setIcon(img);
        jLabel.setBounds(0,0,img.getIconWidth(),img.getIconHeight());
        add(jLabel);
        jLabel.addMouseListener(new MouseListener() {
            @Override
            public void mouseClicked(MouseEvent mouseEvent) {

            }

            @Override
            public void mousePressed(MouseEvent mouseEvent) {

            }

            @Override
            public void mouseReleased(MouseEvent mouseEvent) {

            }

            @Override
            public void mouseEntered(MouseEvent mouseEvent) {
                Random r = new Random();

                int x = r.nextInt(getWidth() - jLabel.getWidth());
                int y = r.nextInt(getHeight() - jLabel.getHeight());

                jLabel.setLocation(x, y);
            }

            @Override
            public void mouseExited(MouseEvent mouseEvent) {

            }
        });
    }
    /**
     * 通过按键实现图片移动的方法
     */
    public void imageKeyDownUpAndDownAndLeftAndRight(){
        ImageIcon imageIcon = new ImageIcon("C:\\Users\\Administrator\\Downloads\\shana.png");
        JLabel jLabel = new JLabel();
        jLabel.setIcon(imageIcon);
        jLabel.setBounds(0,0,imageIcon.getIconWidth(), imageIcon.getIconHeight());
        add(jLabel);
        addKeyListener(new KeyListener() {
            @Override
            public void keyTyped(KeyEvent keyEvent) {
                switch (keyEvent.getKeyChar()){
                    case 'a':
                        jLabel.setLocation(jLabel.getX()-4,jLabel.getY());
                        break;
                    case 'd':
                        jLabel.setLocation(jLabel.getX()+4,jLabel.getY());
                        break;
                    case 'w':
                        jLabel.setLocation(jLabel.getX(),jLabel.getY()-4);
                        break;
                    case 's':
                        jLabel.setLocation(jLabel.getX(),jLabel.getY()+4);
                        break;
                    default:
                        System.out.println(keyEvent);
                        System.out.println("无效按键"+keyEvent.getKeyChar()+keyEvent.getKeyCode());
                }
            }

            @Override
            public void keyPressed(KeyEvent keyEvent) {
            }

            @Override
            public void keyReleased(KeyEvent keyEvent) {
            }
        });
    }
    /**
     * 这个是点击显示隐藏图片方法
     */
    public void imageBtnDisplayAndHide(){
        ImageIcon img = new ImageIcon("C:\\Users\\Administrator\\Downloads\\shana.png");
        JLabel jLabel = new JLabel();
        jLabel.setIcon(img);
        jLabel.setBounds(0,0,img.getIconWidth(),img.getIconHeight());
        add(jLabel);
        JButton gbk = new JButton("隐藏图片");
        gbk.setBounds(200,200,100,50);
        if(gbk != null){
            gbk.addActionListener(new ActionListener() {
                @Override
                public void actionPerformed(ActionEvent actionEvent) {
                    if(jLabel.isVisible()){
                        jLabel.setVisible(false);
                        gbk.setText("显示图片");
                    }else{
                        jLabel.setVisible(true);
                        gbk.setText("隐藏图片");
                    }
                }
            });
            add(gbk);
        }
    }

    /**
     * 判断文件是否存在，如果存在，不做响应，如果不存在，则创建
     * @param file 要创建的路径
     */
    public void isFileYesOrNo(File file){
        try {
            file.createNewFile();
        } catch (IOException e) {
            System.out.println("没有文件，创建");
        }
    }

    /**
     * 初始化窗口值 如果文件没有位置信息，则默认300、300
     */
    public void locationWindowSize(){
        BufferedReader is = null;
        String x;
        String y;
        try {
            is = new BufferedReader(new FileReader(file));
            x = is.readLine();
            y = is.readLine();
            if(x != null && y != null){
                try{
                    setLocation(Integer.parseInt(x),Integer.parseInt(y));
                }catch (Exception e){
                    System.out.println("本地文件参数非法");
                    setLocation(300,300);
                }
            }else{
                setLocation(300,300);
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            try {
                if(is != null){
                    is.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    /**
     * 每隔多少毫秒更新文件位置信息
     * @param l 毫秒
     */
    public void writerXANDY(File file,long l){
        new Thread(){
            @Override
            public void run() {

                try {
                    FileWriter os = null;
                    while (true){
                        Thread.sleep(l);
                        try {
                            os = new FileWriter(file);
                            os.write(new String((getX()+"").getBytes(),"UTF-8"));
                            os.write("\n");
                            os.write(new String((getY()+"").getBytes(),"UTF-8"));
                            os.write("\n");
                            System.out.println("当前坐标=  X: "+getX()+"  Y: " + getY());
                        } catch (Exception e) {
                            e.printStackTrace();
                        }finally {
                            if(os != null){
                                os.close();
                            }
                        }
                    }
                } catch (IOException | InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }.start();
    }
}