How to loop Image Smoothly-优快云博客

本文介绍了一个使用Java实现的简易图片播放器程序。该程序利用Swing库创建GUI，并通过AWT处理图片显示与更新。文章提供了完整的源代码，演示了如何加载一系列JPEG文件并连续播放这些图片。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >


import java.awt.Container;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class JPGPlayer extends JFrame{

    private ImagePanel imagePane;

    public JPGPlayer() {
        super("JPGPlayer");
        Container c = getContentPane();
        imagePane = new ImagePanel(getImage("output/IMG_0.jpeg"));
        c.add(imagePane);
    }

    private Image getImage(String imgpath) {
        Toolkit toolkit = Toolkit.getDefaultToolkit();
        Image image = toolkit.getImage(imgpath);
        return image;
    }

    public void showimg() {

        for (int a = 1; a < 500; a++) {

            try {
                Thread.sleep(200);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            //System.out.println(a);
            imagePane.setImage(getImage("output/IMG_" + a + ".jpeg"));
            imagePane.repaint();
        }
    }

    class ImagePanel extends JPanel {

        private Image image;

        public ImagePanel(Image image) {
            this.image = image;
        }

        public void paint(Graphics g) {
            g.drawImage(image, 0, 0, 352, 240, this);
        }

        public void update(Graphics g) {
            paint(g);
        }

        public Image getImage() {
            return image;
        }

        public void setImage(Image image) {
            this.image = image;
        }
    }

    public static void main(String[] args) {
        JPGPlayer app = new JPGPlayer();
        app.addWindowListener(new WindowAdapter() {

            public void windowClosing(WindowEvent evt) {
                System.exit(0);
            }
        });
        app.setResizable(false);
        app.pack();
        app.setSize(355, 260);
        app.setVisible(true);
        app.showimg();
    }
}