求助 如何在JAVA类里写BMP转GIF

Question

这类型的东西没接触过求助~

Answer 1

import java.awt.*;
import java.awt.image.*;
import java.io.*;import javax.imageio.ImageIO;public class ImageOper
{
 
public Image buildImage(String file) throws FileNotFoundException, IOException
{
return buildImage(new FileInputStream(new File(file)));
}

public Image buildImage(InputStream ins) throws IOException
{
return javax.imageio.ImageIO.read (ins);
}  
public BufferedImage buildBufferImage(Image img) {
int w = img.getWidth(null); // 得到源图宽
int h = img.getHeight(null); // 得到源图长 BufferedImage tag = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
tag.getGraphics().drawImage(img, 0, 0, w, h, null);
return tag;
}
public void save(BufferedImage img, String file) throws IOException { OutputStream bos = new FileOutputStream(file);
ImageIO.write(img, "gif", bos);
bos.close();
}         public static void main(String [] args)
        {
               ImageOper imgio = ImageOper();
               Image img = buildImage("c:\ss.bmp");
               BufferedImage bg = buildBufferImage(img);
               save(bg,"c:\ss.gif");
         }
}

Answer 2

在意文件夹下的所有BMP文件都要转换 比如icon文件夹下的所有BMP文件如何转换？谢谢