编程原则

很全的：
http://blog.csdn.net/my_business/article/category/1112331
http://boyssheng.iteye.com/category/143950

DRY：
http://hi.baidu.com/hanjiangxue99/item/31848e18dbf397623f87ceb0
http://blog.csdn.net/wh62592855/article/details/5744796

SRP：
http://blog.sina.com.cn/s/blog_726d174a0100pg32.html
http://blog.csdn.net/gsfw2010/article/details/7467550

OCP：
http://zhoushuping.iteye.com/blog/1073900
http://www.cnblogs.com/kenne/articles/1050097.html

LSP：
http://blog.csdn.net/brookes/article/details/1896758

DIP：
http://aliangba.blog.163.com/blog/static/189761112201124111125406/
http://blog.csdn.net/my_business/article/details/7418061

ISP：
http://boyssheng.iteye.com/blog/954535
http://blog.csdn.net/zhichao_liu/article/details/7091713