排序中的核心数据

Question

我用下面的代码获取nstrings

我想将它们整理出来的名单按字母顺序

怎么办塔尔请

self.context = appDelegate.managedObjectContext; 


NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init]; 
NSEntityDescription *entity = [NSEntityDescription 
           entityForName:@"Studies" inManagedObjectContext:_context]; 
[fetchRequest setEntity:entity]; 


NSError *error; 
self.StudiessList = [_context executeFetchRequest:fetchRequest error:&error]; 

Answer 1

添加sort descriptor你取请求。请参阅NSSortDescriptor。