动态图片的JAVA代码 java动图制作

java中在窗体的创建一个面板中加入一个gif动态图

你是说 JPanel 吗？两种方法：

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添加 JLabel，给 JLabel 添加 ImageIcon，然后放置 JLabel 到 JPanel 上就行了：

JPanel pnl = new JPanel();

......

JLabel lblImage = new JLabel(new ImageIcon("你的文件名")); //创建一个带图片的 JLabel

lblImage.setBounds(0, 0, pnl.getWidth(), pnl.getHeight()); //设置图片的横坐标、纵坐标、宽、高

pnl.add(lblImage); //放置这个 JLabel 到你的 JPanel 上面

还有一种方法是重写 JPanel 的 paint() 方法：

class YourPanel extends JPanel {

private Image img = Toolkit.getDefaultToolkit().createImage("你的文件名"); //用 Toolkit 的 createImage 方法来创建一个 Image 对象

@Override public void paint (Graphics g) {

super.paint(g);

g.drawImage(img, 0, 0, getWidth(), getHeight()); //绘制图片，第一个参数是 Image 对象，第二个参数是横坐标，第三个是纵坐标，第四个是宽，第五个是高

}

以上你隐式重写也可以：

JPanel pnl = new JPanel() {

@Override public void paint (Graphics g) {

...... //但是要注意这样如果你把 Image 声明成了局部变量或者参数形式，你需要声明成 final

}

java如何传输动态图片（GIF图片）？

实现思路：无论是何种类型，都是转换为流的形式进行的文件传输和存储。

可以通过BufferedReader 流的形式进行流缓存，之后通过readLine方法获取到缓存的内容。

BufferedReader bre = null;

OutputStreamWriter pw = null;//定义一个流

try {

String file = "D:/test/test.GIF";

bre = new BufferedReader(new FileReader(file));//此时获取到的bre就是整个文件的缓存流

pw = new OutputStreamWriter(new FileOutputStream(“D:/New.GIF”),"GBK");//确认流的输出文件和编码格式，此过程创建了“test.GIF”实例

while ((str = bre.readLine())!= null) // 判断最后一行不存在，为空结束循环

{

pw.write(str);//将要写入文件的内容，可以多次write

}；

bre.close()；

pw.close();//关闭流

备注：文件流用完之后必须及时通过close方法关闭，否则会一直处于打开状态，直至程序停止，增加系统负担。

求java做动画代码

import java.awt.Canvas;

import java.awt.Color;

import java.awt.Dimension;

import java.awt.EventQueue;

import java.awt.Frame;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.Image;

import java.awt.RenderingHints;

import java.awt.event.KeyEvent;

import java.awt.event.KeyListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import java.awt.image.BufferedImage;

import java.io.File;

import java.io.IOException;

import javax.imageio.ImageIO;

public class TestImage extends Frame

{

private static final long serialVersionUID = 1L;

private static boolean PRESSED = false;

private static int pointX = 0;

private static int pointy = 200;

private static int RIGHT_GO = 0;

private static int LEFT_GO = 0;

private static int DIR = 0;

private static int ANGLE = 0;

private static int W = 50;

private static int H = 60;

private _Canvas canvas = null;

public TestImage ()

{

add (canvas = new _Canvas ());

setIgnoreRepaint (true);

requestFocus ();

}

public class _Canvas extends Canvas implements Runnable

{

private static final long serialVersionUID = 1L;

private BufferedImage bi = null;

private Image bufferedImage = null;

private Thread thread = null;

private long sleepTime = 10;

public _Canvas ()

{

try

{

bi = ImageIO.read (new File ("go.png"));

}

catch (IOException e)

{}

setBackground (Color.BLACK);

requestFocus ();

addKeyListener (new KeyListener ()

{

@Override

public void keyTyped ( KeyEvent e )

{}

@Override

public void keyReleased ( KeyEvent e )

{

RIGHT_GO = 0;

PRESSED = false;

}

@Override

public void keyPressed ( KeyEvent e )

{

// 38 40 37 39上下左右

DIR = e.getKeyCode ();

PRESSED = true;

}

});

}

@Override

public void paint ( Graphics g )

{

Graphics2D g2d = (Graphics2D) g;

g2d.setRenderingHint (RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);

g2d.drawImage (rotateImage (bi.getSubimage (RIGHT_GO, LEFT_GO, W, H), ANGLE, true), pointX, pointy, W, H,

this);

g2d.dispose ();

}

@Override

public void update ( Graphics g )

{

if (null == bufferedImage)

{

bufferedImage = createImage (getWidth (), getHeight ());

}

Graphics bufferedG = bufferedImage.getGraphics ();

bufferedG.clearRect (0, 0, getWidth (), getHeight ());

paint (bufferedG);

bufferedG.dispose ();

g.drawImage (bufferedImage, 0, 0, this);

g.dispose ();

}

public void start ()

{

thread = new Thread (this);

thread.setName ("TestImage");

thread.setPriority (Thread.MIN_PRIORITY);

thread.start ();

}

public synchronized void stop ()

{

thread = null;

notify ();

}

@Override

public void run ()

{

Thread me = Thread.currentThread ();

while (thread == me !isShowing () || getSize ().width == 0)

{

try

{

Thread.sleep (555);

}

catch (InterruptedException e)

{

return;

}

while (thread == me isShowing ())

{

if (PRESSED)

{

try

{

if (DIR == 39)

{

RIGHT_GO = RIGHT_GO + 50;

LEFT_GO = 0;

pointX = pointX + 1;

if (pointX 420)

{

ANGLE = 90;

pointX--;

pointy--;

W = 60;

H = 50;

}

if (RIGHT_GO 50)

{

RIGHT_GO = 0;

}

else if (DIR == 37)

{

pointX = pointX - 1;

RIGHT_GO = RIGHT_GO + 50;

LEFT_GO = 60;

if (pointX 0)

{

ANGLE = -90;

pointX++;

pointy--;

W = 60;

H = 50;

}

if (RIGHT_GO 50)

{

RIGHT_GO = 0;

}

else if (DIR == 38)

{

W = 50;

H = 60;

pointy = 150;

ANGLE = 0;

RIGHT_GO = 100;

}

else if (DIR == 40)

{

W = 50;

H = 60;

ANGLE = 0;

pointy = 200;

RIGHT_GO = 0;

}

Thread.sleep (sleepTime);

repaint ();

}

catch (InterruptedException e)

{

break;

}

else

{

RIGHT_GO = RIGHT_GO + 50;

LEFT_GO = 0;

pointX = pointX + 1;

if (RIGHT_GO 50)

{

RIGHT_GO = 0;

}

if (pointX 500)

{

pointX = 0;

}

try

{

Thread.sleep (sleepTime);

repaint ();

}

catch (InterruptedException e)

{

break;

}

thread = null;

}

/**

* 旋转图像为指定角度

* @param degree

* @return

public static BufferedImage rotateImage ( final BufferedImage image, final int angdeg, final boolean d )

{

int w = image.getWidth ();

int h = image.getHeight ();

int type = image.getColorModel ().getTransparency ();

BufferedImage img;

Graphics2D graphics2d;

( graphics2d = ( img = new BufferedImage (w, h, type) ).createGraphics () ).setRenderingHint (

RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);

graphics2d.rotate (d ? -Math.toRadians (angdeg) : Math.toRadians (angdeg), w / 2, h / 2);

graphics2d.drawImage (image, 0, 0, null);

graphics2d.dispose ();

return img;

}

public static void main ( String[] args )

{

EventQueue.invokeLater (new Runnable ()

{

@Override

public void run ()

{

final TestImage ti = new TestImage ();

ti.setSize (new Dimension (500, 300));

ti.setLocationRelativeTo (null);

ti.addWindowListener (new WindowAdapter ()

{

@Override

public void windowClosing ( WindowEvent e )

{

System.exit (0);

}

@Override

public void windowDeiconified ( WindowEvent e )

{

ti.canvas.start ();

}

@Override

public void windowIconified ( WindowEvent e )

{

ti.canvas.stop ();

}

});

ti.setResizable (false);

ti.canvas.start ();

ti.setVisible (true);

}

});

}

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动态图片的JAVA代码 java动图制作

java中在窗体的创建一个面板中加入一个gif动态图

java如何传输动态图片（GIF图片）？

求java做动画代码

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