1 //定义显示日期的格式
2 NSDateFormatter *dateFormat = [[NSDateFormatter alloc]init];
3 //NSDateFormatterMediumStyle的显示格式为: Nov 23, 1937” or “3:30:32 PM
4 dateFormat.dateStyle = NSDateFormatterMediumStyle;
5 dateFormat.timeStyle = NSDateFormatterMediumStyle;
6
7 //获取事件选取器的值
8 NSDate *date = self.datePicker.date;
9 //将date按dateFormat的格式转换成NSString对象显示并赋给message
10 NSString *message = [dateFormat stringFromDate:date];
11
12 UIAlertController *dateAlert = [UIAlertController alertControllerWithTitle:@"提示" message:message preferredStyle:UIAlertControllerStyleAlert];
13
14 UIAlertAction *dateAction = [UIAlertAction actionWithTitle:@"Yes" style:UIAlertActionStyleDefault handler:nil];
15
16 [dateAlert addAction:dateAction];
17
18 [self presentViewController:dateAlert animated:YES completion:nil];
