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我已經在Objective-C中構建了一個XML解析器,並且消息objectForKey拋出了一個NSException但我不知道爲什麼。NSDictionary objectForKey拋出異常
aPicture = [[Picture alloc] init];
aPicture.pictureID = [[attributeDict objectForKey:@"id"] integerValue];
這裏是例外的,我不明白的信息:
2010-08-09 21:27:32.223 rh[6375:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[Picture setPictureID:]: unrecognized selector sent to instance 0x592e0b0'
「長搜索」是「我發佈我的問題後2分鐘」? ;) – 2010-08-09 19:42:52
是的,但我搜索半小時之前,我發佈它^^ – Moritz 2010-08-09 20:31:31