import java.awt.image.BufferedImage;import java.io.File;import java.io.FileOutputStream;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; {/*** @param im*原始图像* @param resizeTimes*倍数,比如0.5就是缩小一半,0.98等等double类型* @return 返回处理后的图像*/public BufferedImage zoomImage(String src) {BufferedImage result = null;try {File srcfile = new File(src);if (!srcfile.exists()) {System.out.println(“文件不存在”);}BufferedImage im = ImageIO.read(srcfile);/* 原始图像的宽度和高度 */int width = im.getWidth();int height = im.getHeight();toWidth = (int) (width * resizeTimes);int toHeight = (int) (height * resizeTimes);/* 新生成结果图片 */result = new BufferedImage(toWidth, toHeight,BufferedImage.TYPE_INT_RGB);result.getGraphics().drawImage(im.getScaledInstance(toWidth, toHeight,java.awt.Image.SCALE_SMOOTH), 0, 0, null);} catch (Exception e) {System.out.println(“创建缩略图发生异常” + e.getMessage());}return result;}(BufferedImage im, String fileFullPath) {try {/*输出到文件流*/FileOutputStream newimage = new FileOutputStream(fileFullPath);JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(newimage);JPEGEncodeParam jep = JPEGCodec.getDefaultJPEGEncodeParam(im);/* 压缩质量 */jep.setQuality(0.9f, true);encoder.encode(im, jep);/*近JPEG编码*/newimage.close();return true;} catch (Exception e) {return false;}}(String[] args) {String inputFoler = “E:\\11.jpg” ;/*这儿填写你存放要缩小图片的文件夹全地址*/String outputFolder = “E:\\12.jpg”;/*这儿填写你转化后的图片存放的文件夹*/NarrowImage narrowImage = new NarrowImage();narrowImage.writeHighQuality(narrowImage.zoomImage(inputFoler), outputFolder);}}
，所以你不懂我的选择，也可以不懂我的难过，
