public static byte[] getBytesFromRemote(String url) throws IOException { try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) { URL u = new URL(url); BufferedImage image = ImageIO.read(u); ImageIO.write(image, "jpg", baos); baos.flush(); return baos.toByteArray(); } }
注:公众号授权二维码提示:未经授权,无法显示图片,可以使用此方式,获取图片后转BASE64