coreData的使用

http://blog.csdn.net/chen505358119/article/details/9334831

多表查询

http://blog.csdn.net/fengsh998/article/details/8123392

http://blog.csdn.net/majiakun1/article/details/23970521

http://blog.csdn.net/fengsh998/article/details/8111855

分页查询

http://my.oschina.net/sunqichao/blog/150998?p=1