我在view
。对一个Button
敲击Button
你得到一个datepicker
默认为今天的日期,然后用户可以选择他们想要搜索事件的日期。 问题是,无论我选择什么日期,它总是返回当前日期,并将其添加到我放入的TextField
中,我已将其置于mu Button
中。可以让任何人告诉我我错在哪里了。以编程方式设置日期选择器。的DatePicker不选择正确的日期
以下是我的代码,希望有人能帮助我!
//显示日期选择器,而在按钮点击
- (IBAction)startDateButtonAction:(id)sender
{
if ([popOverController isPopoverVisible]) {
[popOverController dismissPopoverAnimated:YES];
}
UIViewController* popoverContent = [[UIViewController alloc] init]; //ViewController
UIView *popoverView1 = [[UIView alloc] init]; //view
datePicker =[[UIDatePicker alloc]init];//Date picker
datePicker.frame =CGRectMake(0,0,240, 150);
datePicker.datePickerMode = UIDatePickerModeDate;
[datePicker setMaximumDate:[[NSDate date] dateByAddingTimeInterval:24*60*60*-6]];
[datePicker setMinimumDate:[DateFormatter getSubtractedDateForomCurrentDateWith:35]];
datePicker.date = [DateFormatter getDateFromString:startDateLabel.text];
datePicker.selected = YES;
[datePicker addTarget:self action:@selector(datePickerValue) forControlEvents:UIControlEventValueChanged];
[popoverView1 addSubview:datePicker];
popoverContent.view = popoverView1;
popOverController = [[UIPopoverController alloc] initWithContentViewController:popoverContent];
[popOverController setPopoverContentSize:CGSizeMake(240, 150) animated:NO];
[popOverController presentPopoverFromRect:startDateButton.frame inView:headerView permittedArrowDirections:UIPopoverArrowDirectionUp animated:YES];
}
//动作功能而从日期选择器选择的任何日期的
- (void) datePickerValue
{
NSDateComponents *offsetComponents = [[NSDateComponents alloc] init];
[offsetComponents setDay:-6];
NSDate *labelStartDate = datePicker.date;
startDate = [DateFormatter getOnlyDateComponentsFromDate:labelStartDate];
NSDate *labelEndDate = [self addDayToDate:startDate Number:6];
startDateLabel.text = [DateFormatter getDateStringddmmyyy:labelStartDate];
endDateLabel.text = [DateFormatter getDateStringddmmyyy:labelEndDate];
}
[包括在这里使用的功能]
//used for getting date components
+(NSDate *) getOnlyDateComponentsFromDate:(NSDate *)date
{
unsigned int flags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit;
NSCalendar* calendar = [NSCalendar currentCalendar];
NSDateComponents* components = [calendar components:flags fromDate:date];
NSDate* dateOnly = [calendar dateFromComponents:components];
return dateOnly;
}
- (NSDate *) addDayToDate:(NSDate *)date Number:(int) number
{
NSDate *newDate = [date dateByAddingTimeInterval:60*60*24*number];
return newDate;
}
使用ARC的Iam。 这里datePicker.date
给我唯一的,即使我选择的任何其他日期
你在IB中添加datePicker吗?如果是这样,你确定IBOutlet链接正确吗? – KDaker
没有iam编程式地添加日期选择器 – SumiSadiq
你确定它的'datePicker.date'值直接没有'[DateFormatter getDateStringddmmyyy:labelStartDate]'? – KDaker