本程序可以帮助用户对一个目录下的全部图像文件进行裁剪，操作简单，用户只需首先打开一幅图像，然后指定裁剪区域，点击批量裁剪按钮即可。-This procedure can help the user to crop all the image in a directory, it s easy to operate, users simply open the image first, and then specify the crop area, click Batch cropping but