JavaͼƬ´¦Àí

import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.imageio.ImageIO;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGEncodeParam;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
public class ImageUtil {
   
    public static int ORIGINAL_BANK_IMAGE = 1;//ԭʼͼ
    public static int THUMBNAIL_BANK_IMAGE = 2;//ËõÂÔͼ
    /**
     *
     * @param src ½«ÒªÑ¹ËõµÄͼƬ
     * @param destFileName ѹËõºóµÄÎļþÃû
     * @param width ¸ß¶È
     * @param height ¿í¶È
     * @param quality ѹËõÇåÎú¶È ½¨ÒéΪ1.0
     * @param percentage ÊÇ·ñµÈ±ÈѹËõ Èôtrue¿í¸ß±ÈÂʽ«½«×Ô¶¯µ÷Õû
     * @return
     */
    public static File compress(File src, String destFileName, int width, int height,
            float quality, boolean percentage) {
        try {
            Image srcImage = ImageIO.read(src);
            if (percentage) {
                // ΪµÈ±ÈËõ·Å¼ÆËãÊä³öµÄͼƬ¿í¶È¼°¸ß¶È
                double rate1 = ((double) srcImage.getWidth(null))
                        / (double) width + 0.1;
         &nbs