开发了2hbook二手书网站后，我又跟一个书店合作，把这网站的代码修改成适合一个二手书网店使用，适合给想开二手书网店的朋友和初学者参考。-Developed 2hbook second-hand book site, I have any connection with a bookstore co-operation, this site' s code modified to fit a second-hand book Shop, suitable to a second-hand