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public static boolean compressPic(String srcFilePath, String descFilePath) throws IOException {商业图片的相关问题可以到网站了解下,我们是业内领域专业的平台,您如果有需要可以咨询,相信可以帮到您,值得您的信赖!!
File file =null;
BufferedImage src =null;
FileOutputStream out=null;
// 指定写图片的方式为 jpg
ImageWriter imgWrier=ImageIO.getImageWritersByFormatName("jpg").next();
ImageWriteParam imgWriteParams =new ImageWriteParam(null);
// 要使用压缩,必须指定压缩方式为MODE_EXPLICIT
imgWriteParams.setCompressionMode(imgWriteParams.MODE_EXPLICIT);
// 这里指定压缩的程度,参数qality是取值0~1范围内,
imgWriteParams.setCompressionQuality((float)1);
imgWriteParams.setProgressiveMode(imgWriteParams.MODE_DISABLED);
ColorModel colorModel =ImageIO.read(new File(srcFilePath)).getColorModel();// ColorModel.getRGBdefault();
imgWriteParams.setDestinationType(new javax.imageio.ImageTypeSpecifier(
colorModel, colorModel.createCompatibleSampleModel(16, 16)));
try {
if (StringUtils.isEmpty(srcFilePath)) {
return false;
} else {
file =new File(srcFilePath);
System.out.println(file.length());
src = ImageIO.read(file);
out=new FileOutputStream(descFilePath);
imgWrier.reset();
// 必须先指定 out值,才能调用write方法, ImageOutputStream可以通过任何
// OutputStream构造
imgWrier.setOutput(ImageIO.createImageOutputStream(out));
// 调用write方法,就可以向输入流写图片
imgWrier.write(null, new IIOImage(src, null, null),
imgWriteParams);
out.flush();
out.close();
}
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
} |
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