code: public static byte[] getUrlByteArray(String urlPath) {
  		try {
              return toByteArray(getUrlPictureStream(urlPath));
          } catch (IOException e) {
              logger.error("getUrlPictureStream error,{},{}", urlPath, e);
          }
  		return null;
  	}
docs: 通过网络地址获取图片byte数组
  
  @param urlPath
  网络地址
  @return