base64 图片压缩

@Slf4j
public class ImageUtils {
    /**
     * 图片压缩处理
     * @param origPicContent
     * @return
     */
    public static String compressPic(String origPicContent) {
        ByteArrayInputStream in = null;
        ByteArrayOutputStream out = null;
        try {
            byte[] bytes = new BASE64Decoder().decodeBuffer(origPicContent);
            in = new ByteArrayInputStream(bytes);
            out = new ByteArrayOutputStream();

            Thumbnails.of (in).scale(0.3f).toOutputStream(out);

            return new BASE64Encoder().encode( out.toByteArray ());
        } catch (IOException e) {
            log.error ("decode buffer fail, message:{}", e.getMessage (), e);
        } finally {
            if (in != null) {
                try {
                    in.close ();
                } catch (IOException e) {
                    log.error ("ByteArrayInputStream close fail, message:{}", e.getMessage (), e);
                }
            }
            if (out != null) {
                try {
                    out.close ();
                } catch (IOException e) {
                    log.error ("ByteArrayOutputStream close fail, message:{}", e.getMessage (), e);
                }
            }
        }
        return origPicContent;
    }

}