我试图设置核心数据的属性,但它不会工作。每次我打电话给方法setAveScore
它会抛出错误[Stats setAveScore:]: unrecognized selector sent to instance 0x3364c0
核心数据集属性
任何想法是什么问题?
召唤:
Stats *sObj = [Stats alloc];
NSNumber *foo = [[NSNumber alloc ]initWithInt:1];
sObj.aveScore = foo;
核心数据类:
@interface Stats : NSManagedObject
{
}
@property (nonatomic, retain) NSNumber * aveScore;
@end
#import "Stats.h"
@implementation Stats
@dynamic aveScore;
@end
整体的ErrorMessage:
-[Stats setAveScore:]: unrecognized selector sent to instance 0x1494b0
Exception detected while handling key input.
-[Stats setAveScore:]: unrecognized selector sent to instance 0x1494b0
在标题中定义统计数据可解决问题。但在调用sobj.aveScore读取时,看起来像aveScore是空的。 – lueda 2010-10-10 13:16:11