ios 8和iOS 9 适用的uidatepicker

UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"\n\n\n\n\n\n\n\n\n\n\n"message:nil preferredStyle:UIAlertControllerStyleActionSheet];

UIDatePicker *picker = [[UIDatePicker alloc] init];

[picker setDatePickerMode:UIDatePickerModeDate];

[alertController.view addSubview:picker];

[alertController addAction:({

UIAlertAction *action = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {

NSLog(@"OK");

NSLog(@"%@",picker.date);

}];

action;

})];

UIPopoverPresentationController *popoverController = alertController.popoverPresentationController;

popoverController.sourceView = sender;

popoverController.sourceRect = [sender bounds];

[self presentViewController:alertController  animated:YES completion:nil];