archivedDataWithRootObject 存储 BusinessCard *bc = [[BusinessCard alloc] init]; NSUserDefaults *ud = [NSUserDefaults standardUserDefaults]; NSData *udObject = [NSKeyedArchiver archivedDataWithRootObject:bc]; [ud setObject:udObject forKey:@"myBusinessCard"]; udObject = nil; udObject = [ud objectForKey:@"myBusinessCard"]; bc = [NSKeyedUnarchiver unarchiveObjectWithData:udObject] ;
时间: 2024-12-07 09:26:26