-[__NSCFNumber length]: unrecognized selector sent to instance 0x1657c5c0
2014-09-24 14:47:39.170 StarShow[1948:60b] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFNumber length]: unrecognized selector sent to instance 0x1657c5c0'
*** First throw call stack:
错误原因：服务器那边传过来的是int类型的，我这边定义的对象的作品这个属性是string类型的。
wor.works = [NSString stringWithFormat:
@"%@",[dictionary objectForKey:@"ko"]];//Int数量
@"%@",[dictionary objectForKey:@"ko"]];//Int数量