+entityForName: could not locate an entity named '*****' in ****
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coreData的教程网上有很多 这里就说一下作为一个初学者 遇到的两大问题
1、+entityForName: could not locate an entity named '*****' in ****这个问题需要你注意一下,
2、
'NSInvalidArgumentException', reason: '+entityForName: nil is not a legal NSManagedObjectContext parameter searching for entity name 'CacheModel''
这里是因为你没有实例化这个东西,加上这两句话就可以了
self.appDelegate = [[UIApplicationsharedApplication] delegate];
_managedObjectContext = [self.appDelegatemanagedObjectContext];
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