如何将UIDatepickerView
中的最长日期设置为今天下午23:59。
我试过这个
datePicker.maximumDate = [NSDate date];
但它不起作用。 我怎么能这样做?
答案 0 :(得分:2)
你可以做点什么,
NSDateFormatter *df = [[NSDateFormatter alloc]init];
[df setDateFormat:@"yyyy-MM-dd"];
NSDate *currentDate = [NSDate date];
NSString *currentDateStr = [[df stringFromDate:currentDate] stringByAppendingString:@" 23:59"];
[df setDateFormat:@"yyyy-MM-dd HH:mm"];
NSDate *maxDate = [df dateFromString:currentDateStr];
NSLog(@"max date : %@",maxDate);
NSLog(@"max date str : %@",[df stringFromDate:maxDate]);
yourDatePicker.maximumDate = maxDate;
更新:
@droppy建议使用NSDateComponents
的另一种方法,
NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components: NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear fromDate:[NSDate date]];
NSInteger day = [dateComponents day];
NSInteger month = [dateComponents month];
NSInteger year = [dateComponents year];
dateComponents.hour = 23;
dateComponents.minute = 59;
NSLog(@"%ld : %ld : %ld",(long)day,(long)month,(long)year);
NSCalendar *gregorianCalendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
NSDate *resultDate = [gregorianCalendar dateFromComponents:dateComponents];
NSDateFormatter *df = [[NSDateFormatter alloc]init];
[df setDateFormat:@"yyyy-MM-dd HH:mm"];
NSLog(@"result date : %@",resultDate);
NSLog(@"result date string : %@",[df stringFromDate:resultDate]);
yourDatePicker.maximumDate = resultDate;