本程序批量对JPG图片按大小进行分割。方便地用于电子书（或别的文档）转换成的JPG图片，分割后放入MP4中进行图片式浏览阅读。 新增了纵向分割1列或2列功能。-This program batch of JPG images are segmented by size. Easily used for e-books (or other documents) into the JPG images, segmentation carried out after the picture int