本VB源程序实现对超星图书pdg文件页面的提取和加密破解。方法是运行ssreader之前，先运行wingate（设置对*.pdg进行缓存），然后在ssreader中阅读或下载一本书（这种书无法在别的机器上阅读），再运行本程序，将wingate缓存目录中的所有.pdg文件提取出来并自动按页码编号，然后在利用pdg2pic就可以将整本书保存为自己希望的格式。-The VB source code to realize Chaoxing PDG book page document extraction and encryption cracking. Ssreader method is run before running wingate (set to*. pdg cache), and then read or download ssreader in a book (this book can not be read in other machine), and then run this procedure Wingate cache directory of all. pdg file and automatically extracted by page number, and then in the use of pdg2pic can be preserved whole book of hope for their own format.