参考链接
http://www.yiibai.com/redis/redis_quick_guide.html
http://www.cnblogs.com/linjiqin/archive/2013/05/27/3101694.html
http://blog.csdn.net/java2000_wl/article/details/8543203/
Redis写对象
http://alanland.iteye.com/blog/1600685
