java版本的秒杀器，速度很快的，使用了httpclient-java version of the spike, speed quickly, using httpclient

秒杀倒计时特效代码,此为示例，已经测试通过，可用。-Code countdown spike effects

秒杀项目是电商中比较让人关心和头疼的问题，此项目通过数据库乐观锁机制很好的解决了并发的问题，适合中小型的活动-Spike project is the electricity supplier the more people concerns and headaches this entry through the locking mechanism optimistic concurrency good solution to the problem for small and medium