UIalertController日期控件

#import <UIKit/UIKit.h>
typedef void(^BlockDate)(id date);
@interface SheetDate : UIAlertController

@property(nonatomic,copy)BlockDate blockDate;
@property(retain,nonatomic)UIDatePicker* datePicker;

-(NSString*)dealDate;
-(void)addDatePicker;

@end

#import "SheetDate.h"

@interface SheetDate ()
@end

@implementation SheetDate

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view from its nib.
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}
/**
 *  添加日期控件
 */
-(void)addDatePicker
{
        self.datePicker = [[UIDatePicker alloc] initWithFrame:CGRectMake(0, 0, 320, 216)];
        self.datePicker.datePickerMode = UIDatePickerModeDate;
        self.datePicker.locale = [[NSLocale alloc] initWithLocaleIdentifier:@"zh_CN"];
        [self.view addSubview:self.datePicker];
    

}
/**
 *  处理日期数据
 *
 *  @return
 */
-(NSString*)dealDate
{
    NSDateFormatter * formatter = [[NSDateFormatter alloc ] init];
    if (self.datePicker.datePickerMode==UIDatePickerModeTime)
    {
        [formatter setDateFormat:@"HH:ss"];
    }
    else
    {
        [formatter setDateFormat:@"YYYY-MM-dd"];
    }
    
    NSString* currentTime = [formatter stringFromDate:self.datePicker.date];
    return currentTime;

}

/**
 *  日期／时间选择
 *
 *  @param sender
 */
- (IBAction)chooseDate:(UIButton *)sender
{
    SheetDate* sheetDate=[SheetDate alertControllerWithTitle:nil
                                                     message:@"\n\n\n\n\n\n\n\n\n\n"
                                              preferredStyle:(UIAlertControllerStyleActionSheet)];
    [sheetDate addDatePicker];
    sheetDate.blockDate=^(NSString* date)
    {
        [sender setTitle:date
                forState:(UIControlStateNormal)];

    };
    //开始时间，结束时间
    if (sender.tag==70||sender.tag==71)
    {
        sheetDate.datePicker.datePickerMode=UIDatePickerModeTime;
    }
    UIAlertAction* ok=[UIAlertAction actionWithTitle:@"确定"
                                               style:(UIAlertActionStyleDefault)
                                             handler:^(UIAlertAction * __nonnull action)
    {
        sheetDate.blockDate([sheetDate dealDate]);
        
    }];
    [sheetDate addAction:ok];
    [self presentViewController:sheetDate
                       animated:YES
                     completion:nil];