iOS自定义UIDatepicker日期选择器视图分享 iOS自定义UIDatepicker日期选择器视图分享
南山锄头 人气:0想了解iOS自定义UIDatepicker日期选择器视图讲解的相关内容吗，南山锄头在本文为您仔细讲解iOS自定义UIDatepicker日期选择器视图讲解的相关知识和一些Code实例，欢迎阅读和指正，我们先划重点：iOS,自定义,UIDatepicker,日期,选择器，下面大家一起来学习吧。
由于项目需要，需要定制一个日期选择器，找了半天没找到合适的就自己写了个demo
自定义UIDatePicker日期选择器视图
效果如下：
下面贴上相关代码：
ViewController：
<pre name="code" class="objc">- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
self.view.backgroundColor = [UIColor whiteColor];
if (!_picker || _picker == nil) {
_picker = [[DatePicker alloc] initWithFrame:CGRectMake(0, 120, 375, 667)];
_picker.backgroundColor = [UIColor whiteColor];
_picker.delegate = self;
[self.view addSubview:_picker];
_picker.hidden = YES;
}
[self creatCustomButton];
}
- (void)creatCustomButton{
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.frame = CGRectMake(120, 20, 100, 40);
[button setTitle:@"日期选择器" forState:UIControlStateNormal];
[button setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
[button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside ];
[self.view addSubview:button];
}
- (void)buttonAction:(UIButton *)sender
{
if (!_picker || _picker == nil) {
_picker = [[DatePicker alloc] initWithFrame:CGRectMake(0, 120, 375, 667)];
_picker.backgroundColor = [UIColor whiteColor];
_picker.delegate = self;
[self.view addSubview:_picker];
}else{
_picker.hidden = NO;
}
}
-(void)DatePickerDelegateEnterActionWithDataPicker:(DatePicker *)picker{
NSLog(@"======>%@",picker.date);
NSString *dateStr = [NSString stringWithFormat:@"%@",picker.date];
[_picker removeFromSuperview];
_picker = nil;
[[[UIAlertView alloc]initWithTitle:@"提示" message:dateStr delegate:self cancelButtonTitle:nil otherButtonTitles:@"确定", nil] show];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end</pre><br>
<pre></pre>
<br>
DatePicker.h<br>
<p><span style="font-size:14px"></span></p>
<pre code_snippet_id="2093925" snippet_file_name="blog_20170103_2_3524896" name="code" class="objc">#import <UIKit/UIKit.h>
@protocol DatePickerDelegate;
@interface DatePicker : UIView <UIPickerViewDataSource,UIPickerViewDelegate>
// 按照规范, 请把这些设置为外部不可见的
// 不可见的部分, 请放到.m文件里
@property (nonatomic, retain) UIPickerView* yearPicker; // 年
@property (nonatomic, retain) UIPickerView* monthPicker; // 月
@property (nonatomic, retain) UIPickerView* dayPicker; // 日
@property (nonatomic, retain) UIPickerView* hourPicker; // 时
@property (nonatomic, retain) UIPickerView* minutePicker; // 分
// 对外可见的
@property (nonatomic, retain) NSDate* date; // 当前date
// 不可见的
@property (nonatomic, retain) UIToolbar* toolBar; // 工具条
@property (nonatomic, retain) UILabel* hintsLabel; // 提示信息
// 不可见的
@property (nonatomic, retain) NSMutableArray* yearArray;
@property (nonatomic, retain) NSMutableArray* monthArray;
@property (nonatomic, retain) NSMutableArray* dayArray;
@property (nonatomic, retain) NSMutableArray* hourArray;
@property (nonatomic, retain) NSMutableArray* minuteArray;
// 不可见的
@property (nonatomic, assign) NSUInteger yearValue;
@property (nonatomic, assign) NSUInteger monthValue;
@property (nonatomic, assign) NSUInteger dayValue;
@property (nonatomic, assign) NSUInteger hourValue;
@property (nonatomic, assign) NSUInteger minuteValue;
@property (nonatomic, copy) NSString *dateString;
/**
* 设置默认值为当前时间
*/
-(void)resetDateToCurrentDate;
/**
* 设置提示信息
*/
-(void)setHintsText:(NSString*)hints;
/**
* 点击确定按钮 // 按照习惯,这个可木有
*/
-(IBAction)actionEnter:(id)sender;
@property (nonatomic, assign) id<DatePickerDelegate>delegate;
@end
@protocol DatePickerDelegate <NSObject>
/**
* 点击确定后的事件
*/
@optional
-(void)DatePickerDelegateEnterActionWithDataPicker:(DatePicker*)picker;
@end
</pre><br>
<p></p>
<p class="p1">Datepicker.m<span class="s1"></span></p>
<p class="p1"></p>
<pre code_snippet_id="2093925" snippet_file_name="blog_20170103_3_4070113" name="code" class="objc"><pre code_snippet_id="2093925" snippet_file_name="blog_20170103_3_4070113" name="code" class="objc">#import "DatePicker.h"
#import "NSDate+Calendar.h"
#define MainHeight [UIScreen mainScreen].bounds.size.height
#define MainWidth [UIScreen mainScreen].bounds.size.width
typedef enum {
ePickerViewTagYear = 2012,
ePickerViewTagMonth,
ePickerViewTagDay,
ePickerViewTagHour,
ePickerViewTagMinute
}PickViewTag;
@interface DatePicker (private)
/**
* 创建数据源
*/
-(void)createDataSource;
/**
* create month Arrays
*/
-(void)createMonthArrayWithYear:(NSInteger)yearInt month:(NSInteger)monthInt;
@end
@implementation DatePicker
@synthesize delegate;
@synthesize yearPicker, monthPicker, dayPicker, hourPicker, minutePicker;
@synthesize date;
@synthesize yearArray, monthArray, dayArray, hourArray, minuteArray;
@synthesize toolBar, hintsLabel;
@synthesize yearValue, monthValue;
@synthesize dayValue, hourValue, minuteValue;
#pragma mark -
#pragma mark -
- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:CGRectMake(0, MainHeight - 260, MainWidth, 260)];
if (self) {
// Initialization code
[self setBackgroundColor:[UIColor blackColor]];
NSMutableArray* tempArray1 = [[NSMutableArray alloc] initWithCapacity:0];
NSMutableArray* tempArray2 = [[NSMutableArray alloc] initWithCapacity:0];
NSMutableArray* tempArray3 = [[NSMutableArray alloc] initWithCapacity:0];
NSMutableArray* tempArray4 = [[NSMutableArray alloc] initWithCapacity:0];
NSMutableArray* tempArray5 = [[NSMutableArray alloc] initWithCapacity:0];
[self setYearArray:tempArray1];
[self setMonthArray:tempArray2];
[self setDayArray:tempArray3];
[self setHourArray:tempArray4];
[self setMinuteArray:tempArray5];
// 更新数据源
[self createDataSource];
CGFloat pRate = MainWidth/320;
// 创建 toolBar & hintsLabel & enter button
UIToolbar* tempToolBar = [[UIToolbar alloc] initWithFrame:CGRectMake(0, 0, MainWidth, 44)];
[self setToolBar:tempToolBar];
[self addSubview:self.toolBar];
// [toolBar setTintColor:[UIColor lightTextColor]];
UILabel* tempHintsLabel = [[UILabel alloc] initWithFrame:CGRectMake(5, 5, 250, 34)];
[self setHintsLabel:tempHintsLabel];
[self.hintsLabel setBackgroundColor:[UIColor clearColor]];
[self addSubview:self.hintsLabel];
[self.hintsLabel setFont:[UIFont systemFontOfSize:24.0f]];
[self.hintsLabel setTextColor:[UIColor whiteColor]];
UIButton* tempBtn = [UIButton buttonWithType:UIButtonTypeCustom];
// [tempBtn setBackgroundImage:[UIImage imageNamed:@"Resourse.bundle/btnNormal.png"] forState:UIControlStateNormal];
// [tempBtn setBackgroundImage:[UIImage imageNamed:@"Resourse.bundle/btnPressed.png"] forState:UIControlStateNormal];
[tempBtn setTitle:@"确定" forState:UIControlStateNormal];
[tempBtn sizeToFit];
[tempBtn setTitleColor:[UIColor darkTextColor] forState:UIControlStateNormal];
[tempBtn setCenter:CGPointMake(MainWidth-15-tempBtn.frame.size.width*.5, 22)];
[tempBtn addTarget:self action:@selector(actionEnter:) forControlEvents:UIControlEventTouchUpInside];
[self addSubview:tempBtn];
// 初始化各个视图
UIPickerView* yearPickerTemp = [[UIPickerView alloc] initWithFrame:CGRectMake(0, 44, 80, 216)];
[self setYearPicker:yearPickerTemp];
[self.yearPicker setFrame:CGRectMake(0*pRate, 44, 80*pRate, 216)];
// UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake( 75*pRate, 141 ,20, 20)];
// label.font = [UIFont systemFontOfSize:18];
// label.text = @"年";
// [self addSubview:label];
UIPickerView* monthPickerTemp = [[UIPickerView alloc] initWithFrame:CGRectMake(80, 44, 56*pRate, 216)];
[self setMonthPicker:monthPickerTemp];
[self.monthPicker setFrame:CGRectMake(80*pRate, 44, 56*pRate, 216)];
UIPickerView* dayPickerTemp = [[UIPickerView alloc] initWithFrame:CGRectMake(141, 44, 60, 216)];
[self setDayPicker:dayPickerTemp];
[self.dayPicker setFrame:CGRectMake(126*pRate, 44, 60*pRate, 216)];
UIPickerView* hourPickerTemp = [[UIPickerView alloc] initWithFrame:CGRectMake(201, 44, 60, 216)];
[self setHourPicker:hourPickerTemp];
[self.hourPicker setFrame:CGRectMake(186*pRate, 44, 60*pRate, 216)];
UIPickerView* minutesPickerTemp = [[UIPickerView alloc] initWithFrame:CGRectMake(261, 44, 60, 216)];
[self setMinutePicker:minutesPickerTemp];
[self.minutePicker setFrame:CGRectMake(246*pRate, 44, 60*pRate, 216)];
NSArray *arrar = @[@"年",@"月",@"日",@"时",@"分"];
UILabel *NameLabel;
for (int i = 0; i < 5; i++) {
switch (i) {
case 0:
{
NameLabel = [[UILabel alloc] initWithFrame:CGRectMake( 75*pRate, 141 ,20, 20)];
break;
}
case 1:
{
NameLabel = [[UILabel alloc] initWithFrame:CGRectMake( 126*pRate, 141 ,20, 20)];
break;
}
case 2:
{
NameLabel = [[UILabel alloc] initWithFrame:CGRectMake( 186*pRate, 141 ,20, 20)];
break;
}
case 3:
{
NameLabel = [[UILabel alloc] initWithFrame:CGRectMake( 246*pRate, 141 ,20, 20)];
break;
}
case 4:
{
NameLabel = [[UILabel alloc] initWithFrame:CGRectMake( 296*pRate, 141 ,20, 20)];
break;
}
default:
break;
}
NameLabel.font = [UIFont systemFontOfSize:18];
NameLabel.text = [NSString stringWithFormat:@"%@",arrar[i]];
[self addSubview:NameLabel];
}
[self.yearPicker setDataSource:self];
[self.monthPicker setDataSource:self];
[self.dayPicker setDataSource:self];
[self.hourPicker setDataSource:self];
[self.minutePicker setDataSource:self];
[self.yearPicker setDelegate:self];
[self.monthPicker setDelegate:self];
[self.dayPicker setDelegate:self];
[self.hourPicker setDelegate:self];
[self.minutePicker setDelegate:self];
[self.yearPicker setTag:ePickerViewTagYear];
[self.monthPicker setTag:ePickerViewTagMonth];
[self.dayPicker setTag:ePickerViewTagDay];
[self.hourPicker setTag:ePickerViewTagHour];
[self.minutePicker setTag:ePickerViewTagMinute];
[self addSubview:self.yearPicker];
[self addSubview:self.monthPicker];
[self addSubview:self.dayPicker];
[self addSubview:self.hourPicker];
[self addSubview:self.minutePicker];
[self.yearPicker setShowsSelectionIndicator:YES];
[self.monthPicker setShowsSelectionIndicator:YES];
[self.dayPicker setShowsSelectionIndicator:YES];
[self.hourPicker setShowsSelectionIndicator:YES];
[self.minutePicker setShowsSelectionIndicator:YES];
[self resetDateToCurrentDate];
}
return self;
}
#pragma mark - UIPickerViewDataSource
- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView{
return 1;
}
//- (CGFloat)pickerView:(UIPickerView *)pickerView widthForComponent:(NSInteger)component{
// if (ePickerViewTagYear == pickerView.tag) {
// return 60.0f;
// } else {
// return 40.0f;
// }
//}
-(NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component{
if (ePickerViewTagYear == pickerView.tag) {
return [self.yearArray count];
}
if (ePickerViewTagMonth == pickerView.tag) {
return [self.monthArray count];
}
if (ePickerViewTagDay == pickerView.tag) {
return [self.dayArray count];
}
if (ePickerViewTagHour == pickerView.tag) {
return [self.hourArray count];
}
if (ePickerViewTagMinute == pickerView.tag) {
return [self.minuteArray count];
}
return 0;
}
#pragma makr - UIPickerViewDelegate
- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component{
if (ePickerViewTagYear == pickerView.tag) {
return [self.yearArray objectAtIndex:row];
}
if (ePickerViewTagMonth == pickerView.tag) {
return [self.monthArray objectAtIndex:row];
}
if (ePickerViewTagDay == pickerView.tag) {
return [self.dayArray objectAtIndex:row];
}
if (ePickerViewTagHour == pickerView.tag) {
return [self.hourArray objectAtIndex:row];
}
if (ePickerViewTagMinute == pickerView.tag) {
return [self.minuteArray objectAtIndex:row];
}
return @"";
}
- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component{
if (ePickerViewTagYear == pickerView.tag) {
self.yearValue = [[self.yearArray objectAtIndex:row] intValue];
} else if(ePickerViewTagMonth == pickerView.tag){
self.monthValue = [[self.monthArray objectAtIndex:row] intValue];
} else if(ePickerViewTagDay == pickerView.tag){
self.dayValue = [[self.dayArray objectAtIndex:row]intValue];
} else if(ePickerViewTagHour == pickerView.tag){
self.hourValue = [[self.hourArray objectAtIndex:row]intValue];
} else if(ePickerViewTagMinute == pickerView.tag){
self.minuteValue = [[self.minuteArray objectAtIndex:row] intValue];
}
if (ePickerViewTagMonth == pickerView.tag || ePickerViewTagYear == pickerView.tag) {
[self createMonthArrayWithYear:self.yearValue month:self.monthValue];
[self.dayPicker reloadAllComponents];
}
NSString* str = [NSString stringWithFormat:@"%04d%02d%02lu%02lu%02lu",self.yearValue, self.monthValue, (unsigned long)self.dayValue, (unsigned long)self.hourValue, (unsigned long)self.minuteValue];
[self setDate:[self dateFromString:str withFormat:@"yyyyMMddHHmm"]];
}
#pragma mark - 年月日闰年＝情况分析
/**
* 创建数据源
*/
-(void)createDataSource{
// 年
NSInteger yearInt = [[NSDate date] getYear];
[self.yearArray removeAllObjects];
for (int i=yearInt ; i<= yearInt + 10; i++) {
[self.yearArray addObject:[NSString stringWithFormat:@"%d",i]];
}
// 月
[self.monthArray removeAllObjects];
for (int i=1; i<=12; i++) {
[self.monthArray addObject:[NSString stringWithFormat:@"%d",i]];
}
NSInteger month = [[NSDate date] getMonth];
[self createMonthArrayWithYear:yearInt month:month];
// 时
[self.hourArray removeAllObjects];
for(int i=0; i<24; i++){
[self.hourArray addObject:[NSString stringWithFormat:@"%02d",i]];
}
// 分
[self.minuteArray removeAllObjects];
for(int i=0; i<60; i++){
[self.minuteArray addObject:[NSString stringWithFormat:@"%02d",i]];
}
}
#pragma mark -
-(void)resetDateToCurrentDate{
NSDate* nowDate = [NSDate date];
[self.yearPicker selectRow:0 inComponent:0 animated:YES];
[self.monthPicker selectRow:[nowDate getMonth]-1 inComponent:0 animated:YES];
[self.dayPicker selectRow:[nowDate getDay]-1 inComponent:0 animated:YES];
[self.hourPicker selectRow:[nowDate getHour] inComponent:0 animated:YES];
[self.minutePicker selectRow:[nowDate getMinute] inComponent:0 animated:YES];
[self setYearValue:[nowDate getYear]];
[self setMonthValue:[nowDate getMonth]];
[self setDayValue:[nowDate getDay]];
[self setHourValue:[nowDate getHour]];
[self setMinuteValue:[nowDate getMinute]];
NSString* str = [NSString stringWithFormat:@"%04d%02d%02d%02d%02d",self.yearValue, self.monthValue, self.dayValue, self.hourValue, self.minuteValue];
[self setDate:[self dateFromString:str withFormat:@"yyyyMMddHHmm"]];
self.dateString = [self dateString:self.date];
}
#pragma mark -
-(void)createMonthArrayWithYear:(NSInteger)yearInt month:(NSInteger)monthInt{
int endDate = 0;
switch (monthInt) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
endDate = 31;
break;
case 4:
case 6:
case 9:
case 11:
endDate = 30;
break;
case 2:
// 是否为闰年
if (yearInt % 400 == 0) {
endDate = 29;
} else {
if (yearInt % 100 != 0 && yearInt %4 ==4) {
endDate = 29;
} else {
endDate = 28;
}
}
break;
default:
break;
}
if (self.dayValue > endDate) {
self.dayValue = endDate;
}
// 日
[self.dayArray removeAllObjects];
for(int i=1; i<=endDate; i++){
[self.dayArray addObject:[NSString stringWithFormat:@"%d",i]];
}
}
#pragma mark - 点击确定按钮
-(void)actionEnter:(id)sender{
if (self.date == nil) {
self.date =[NSDate date];
}
NSLog(@"====>%@",self.date);
if (self.delegate && [self.delegate respondsToSelector:@selector(DatePickerDelegateEnterActionWithDataPicker:)]) {
[self.delegate DatePickerDelegateEnterActionWithDataPicker:self];
}
[self removeFromSuperview];
}
#pragma mark - 设置提示信息
-(void)setHintsText:(NSString*)hints{
[self.hintsLabel setText:hints];
}
#pragma mark -
-(void)removeFromSuperview{
self.delegate = nil;
[super removeFromSuperview];
}
- (NSDate *)dateFromString:(NSString *)str withFormat:(NSString *)format{
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setTimeZone:[NSTimeZone timeZoneWithAbbreviation:@"UTC"]];
[dateFormatter setDateFormat:format];
NSDate* dateFromString = [dateFormatter dateFromString:str];
return dateFromString;
}
- (NSString *)dateString:(NSDate *)date{
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setTimeZone:[NSTimeZone timeZoneWithAbbreviation:@"UTC"]];
[dateFormatter setDateFormat:@"yyyyy-MM-dd HH:mm:ss"];
NSString *dateString = [dateFormatter stringFromDate:date];
return dateString;
}
@end
</pre><br>
<pre></pre>
<br>
NSDate+Calendar.h<br>
<p></p>
<p class="p1"></p>
<pre code_snippet_id="2093925" snippet_file_name="blog_20170103_4_4657975" name="code" class="objc">#import <Foundation/Foundation.h>
//头文件部分
@interface NSDate (Calendar)
/**
*获取当前月的天数
*/
- (NSUInteger)YHBaseNumberOfDaysInCurrentMonth;
/**
*获取本月第一天
*/
- (NSDate *)YHBaseFirstDayOfCurrentMonth;
//下面这些方法用于获取各种整形的数据
/**
*确定某天是周几
*/
-(int)YHBaseWeekly;
/**
*年月日 时分秒
*/
-(int)getYear;
-(int)getMonth;
-(int)getDay;
-(int)getHour;
-(int)getMinute;
-(int)getSecond;
@end
</pre>
<p></p>
<p class="p1"><br>
</p>
<p class="p1"><br>
</p>
NSDate+Calendar.m
<p class="p1"></p>
<pre code_snippet_id="2093925" snippet_file_name="blog_20170103_5_503109" name="code" class="objc">#import "NSDate+Calendar.h"
@implementation NSDate (Calendar)
-(NSUInteger)YHBaseNumberOfDaysInCurrentMonth{
return [[NSCalendar currentCalendar] rangeOfUnit:NSDayCalendarUnit inUnit:NSMonthCalendarUnit forDate:self].length;
}
- (NSDate *)YHBaseFirstDayOfCurrentMonth
{
NSDate *startDate = nil;
BOOL ok = [[NSCalendar currentCalendar] rangeOfUnit:NSMonthCalendarUnit startDate:&startDate interval:NULL forDate:self];
NSAssert1(ok, @"Failed to calculate the first day of the month based on %@", self);
return startDate;
}
-(int)YHBaseWeekly{
return (int)[[NSCalendar currentCalendar] ordinalityOfUnit:NSDayCalendarUnit inUnit:NSWeekCalendarUnit forDate:self];
}
-(int)getYear{
NSCalendar *calendar = [NSCalendar currentCalendar];
NSUInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
NSDateComponents *dateComponent = [calendar components:unitFlags fromDate:self];
return (int)dateComponent.year;
}
-(int)getMonth{
NSCalendar *calendar = [NSCalendar currentCalendar];
NSUInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
NSDateComponents *dateComponent = [calendar components:unitFlags fromDate:self];
return (int)dateComponent.month;
}
-(int)getDay{
NSCalendar *calendar = [NSCalendar currentCalendar];
NSUInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
NSDateComponents *dateComponent = [calendar components:unitFlags fromDate:self];
return (int)dateComponent.day;
}
-(int)getHour{
NSCalendar *calendar = [NSCalendar currentCalendar];
NSUInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
NSDateComponents *dateComponent = [calendar components:unitFlags fromDate:self];
return (int)dateComponent.hour;
}
-(int)getMinute{
NSCalendar *calendar = [NSCalendar currentCalendar];
NSUInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
NSDateComponents *dateComponent = [calendar components:unitFlags fromDate:self];
return (int)dateComponent.minute;
}
-(int)getSecond{
NSCalendar *calendar = [NSCalendar currentCalendar];
NSUInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
NSDateComponents *dateComponent = [calendar components:unitFlags fromDate:self];
return (int)dateComponent.second;
}
@end
</pre><br>
<br>
<br>
<p></p>
</pre>
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