收款码截取二维码

收款码截取二维码

由于支付宝微信生成的二维码，都会很大，这里我们只需要最关键的部分截取即可。这里写一篇博客主要是记录相关大小定位。其实这个定位我们可以打开window自带的画图工具得知。

不带金额的支付宝二维码

          
 BufferedImage bufImage = ImageIO.read(new ClassPathResource("static/images/zfb/normal.jpg").getInputStream());
 BufferedImage subimage = bufImage.getSubimage(130, 360, 320, 320);
 ImageIO.write(subimage,"JPEG", new File("D:\\normal.jpg"));

带金额的支付宝二维码

 File []files = new ClassPathResource("static/images/zfb").getFile().listFiles();
 for (int i = 0; i < files.length; i++) {
     BufferedImage bufImage = ImageIO.read(files[i]);
     System.out.println(files[i].getName());
     BufferedImage subimage = bufImage.getSubimage(240, 520, 430, 430);
     ImageIO.write(subimage,"JPEG", new File("D:\\"+files[i].getName()));
}

微信不带金额的二维码

BufferedImage bufImage = ImageIO.read(new ClassPathResource("static/images/vx/normal.jpg").getInputStream());
BufferedImage subimage = bufImage.getSubimage(340, 420, 570, 570);
ImageIO.write(subimage,"JPEG", new File("D:\\normal.jpg"));