code: public static void compress(File imageFile, File outFile, float quality) throws IORuntimeException {
  		Img.from(imageFile).setQuality(quality).write(outFile);
  	}
docs: 压缩图像，输出图像只支持jpg文件
  
  @param imageFile 图像文件
  @param outFile 输出文件，只支持jpg文件
  @throws IORuntimeException IO异常
  @since 4.3.2