微信公众号，商城开发

教程

http://blog.csdn.net/walkingmanc/article/category/1879353

教程+理念

http://blog.csdn.net/wang_quan_li/article/category/1999317

Vshop微信商城系统

http://download.csdn.net/detail/u014386685/7105641

.NET 代码

http://www.waiwaili.com/thread-4967-1-1.html