https://blog.csdn.net/mafey/article/details/52103358
query的操作
http://zccst.iteye.com/blog/1305000
对数据库操作的总结
http://zhengdl126.iteye.com/blog/1460779
增删改的详细操作
YII基础详解
https://www.jianshu.com/p/1d0dd17e51d1
https://blog.csdn.net/mengke1124/article/details/48524005
CDbCriteria 具体用法
https://www.iteye.com/blog/zccst-1325003