yii2-redis 文件包 https://github.com/yiisoft/yii2-redis
yii2-redis 操作http://www.tuicool.com/articles/6vEzYja
ios websocket http://blog.csdn.net/manyxh/article/details/48196209
redis 操作http://www.yiibai.com/redis/redis_sorted_sets.html
http://redis.readthedocs.org/en/2.4/list.html#lpush
http://www.jb51.net/article/65256.htm
原文：http://www.cnblogs.com/yangbanban/p/5288458.html