先收集,后续实践。
http://blog.csdn.net/catoop/article/details/50575038
http://blog.csdn.net/neosmith/article/details/61202084
http://412887952-qq-com.iteye.com/blog/2303075
http://www.jianshu.com/p/648aa76d5827
http://yangyingbin.blog.51cto.com/6660933/1852254