UIDatePickerの日付の切り出し

UIDatePickerの日付の切り出しのメソッドを書いてみたけど、もう少しシンプルに書けないものかと思ったり。

//datepicker.datePickerMode = UIDatePickerModeDate;から

-(void)datePickerChanged:(UIDatePicker*)_datePicker{

	NSDateFormatter *dfYear = [[NSDateFormatter alloc] init];
	NSDateFormatter *dfMonth = [[NSDateFormatter alloc] init];
	NSDateFormatter *dfDay = [[NSDateFormatter alloc] init];
	dfYear.dateFormat  = @"yyyy";
	dfMonth.dateFormat  = @"MM";
	dfDay.dateFormat  = @"dd";

	int numy = [[dfYear stringFromDate:_datePicker.date]intValue];
	int numm = [[dfMonth stringFromDate:_datePicker.date]intValue];
	int numd = [[dfDay stringFromDate:_datePicker.date]intValue];

	NSLog(@"%d/%d/%d",numy,numm,numd);
	
	[dfYear release];
	[dfMonth release];
	[dfDay release];
}