let fetchRequest = NSFetchRequest(entityName: "Person")
// Use NSPredicate like bellow
fetchRequest.predicate = NSPredicate(format: "age == %@", "25")
do {
let results = try context.fetch(fetchRequest)
for result in results as! [NSManagedObject] {
print(result.valueForKey("name") as! String)
}
} catch let error as NSError {
print("Could not fetch \(error), \(error.userInfo)")
}
1条答案
按热度按时间6ss1mwsb1#