JAVA 压缩图片-解析一维码二维码-ZXING

CompressPicDemo mypic = new CompressPicDemo(); //创建压缩图对象
//compressPic(大图片路径,生成小图片路径,大图片文件名,生成小图片文名,生成小图片宽度,生成小图片高度,是否等比缩放(默认为true))
mypic.compressPic("c:\\原图片路径", "c:\\输出图片路径", "原图片.后缀", "输出图.后缀", 600, 600, true);

//解码
BufferedImage image = null;

Result result = null;  //com.google.zxing.Result

image = ImageIO.read(new File(imgPath));

if (image == null) {

System.out.println("the decode image may be not exit.");

}

LuminanceSource source = new BufferedImageLuminanceSource(image);

BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

result = new MultiFormatReader().decode(bitmap, null);

String decodeContent = result.getText();

System.out.println("解码内容如下：" + decodeContent);