对coreData中得到context的封装

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+(NSManagedObjectContext *)getContext{

    NSManagedObjectModel * model=[NSManagedObjectModel mergedModelFromBundles:nil];

    NSPersistentStoreCoordinator * psc=[[NSPersistentStoreCoordinator alloc]initWithManagedObjectModel:model];

    NSString * path=[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)firstObject];

    path=[path stringByAppendingPathComponent:@"tel.sqlite"];

    NSLog(@"%@",path);

    NSURL * url=[[NSURL alloc]initFileURLWithPath:path];

    [psc addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:url options:nil error:nil];

    NSManagedObjectContext * con=[[NSManagedObjectContext alloc]init];

    con.persistentStoreCoordinator=psc;

    return con;

}

对coreData中得到context的封装

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原文地址：http://www.cnblogs.com/yy515700/p/4523176.html