iOS自定义日期picker选择器，参考他人代码...

类似于ios系统自带的日期选择器...

循环滑动类...

//
// MXSCycleScrollView.h
// xuexin
// e-mail:rbyyy924805@163.com
// Created by renbing on 3/7/14.
// Copyright (c) 2014 renbing. All rights reserved.
//

#import <UIKit/UIKit.h>

@protocol MXSCycleScrollViewDelegate;
@protocol MXSCycleScrollViewDatasource;

@interface MXSCycleScrollView : UIView<UIScrollViewDelegate>
{
UIScrollView *_scrollView;

NSInteger _totalPages;
NSInteger _curPage;

NSMutableArray *_curViews;
}

@property (nonatomic,readonly) UIScrollView *scrollView;
@property (nonatomic,assign) NSInteger currentPage;
@property (nonatomic,assign,setter = setDataource:) id<MXSCycleScrollViewDatasource> datasource;
@property (nonatomic,assign,setter = setDelegate:) id<MXSCycleScrollViewDelegate> delegate;

- (void)setCurrentSelectPage:(NSInteger)selectPage; //设置初始化页数
- (void)reloadData;
- (void)setViewContent:(UIView *)view atIndex:(NSInteger)index;

@end

@protocol MXSCycleScrollViewDelegate <NSObject>

@optional
- (void)didClickPage:(MXSCycleScrollView *)csView atIndex:(NSInteger)index;
- (void)scrollviewDidChangeNumber:(MXSCycleScrollView *)csView;

@end

@protocol MXSCycleScrollViewDatasource <NSObject>

@required
- (NSInteger)numberOfPages:(MXSCycleScrollView*)scrollView;
- (UIView *)pageAtIndex:(NSInteger)index andScrollView:(MXSCycleScrollView*)scrollView;

@end

//
//  MXSCycleScrollView.m
//  xuexin
//  e-mail:rbyyy924805@163.com
//  Created by renbing on 3/7/14.
//  Copyright (c) 2014 renbing. All rights reserved.
//

#import "MXSCycleScrollView.h"

@implementation MXSCycleScrollView

@synthesize scrollView = _scrollView;
@synthesize currentPage = _curPage;
@synthesize datasource = _datasource;
@synthesize delegate = _delegate;

- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
// Initialization code
_scrollView = [[UIScrollView alloc] initWithFrame:self.bounds];
_scrollView.delegate = self;
_scrollView.contentSize = CGSizeMake(self.bounds.size.width, (self.bounds.size.height/5)*7);
_scrollView.showsHorizontalScrollIndicator = NO;
_scrollView.showsVerticalScrollIndicator = NO;
_scrollView.contentOffset = CGPointMake(0, (self.bounds.size.height/5));

[self addSubview:_scrollView];
}
return self;
}
//设置初始化页数
- (void)setCurrentSelectPage:(NSInteger)selectPage
{
_curPage = selectPage;
}

- (void)setDataource:(id<MXSCycleScrollViewDatasource>)datasource
{
_datasource = datasource;
[self reloadData];
}

- (void)reloadData
{
_totalPages = [_datasource numberOfPages:self];
if (_totalPages == 0) {
return;
}
[self loadData];
}

- (void)loadData
{
//从scrollView上移除所有的subview
NSArray *subViews = [_scrollView subviews];
if([subViews count] != 0) {
[subViews makeObjectsPerformSelector:@selector(removeFromSuperview)];
}

[self getDisplayImagesWithCurpage:_curPage];

for (int i = 0; i < 7; i++) {
UIView *v = [_curViews objectAtIndex:i];
v.frame = CGRectOffset(v.frame, 0, v.frame.size.height * i );
[_scrollView addSubview:v];
}

[_scrollView setContentOffset:CGPointMake( 0, (self.bounds.size.height/5) )];
}

- (void)getDisplayImagesWithCurpage:(NSInteger)page {
NSInteger pre1 = [self validPageValue:_curPage-1];
NSInteger pre2 = [self validPageValue:_curPage];
NSInteger pre3 = [self validPageValue:_curPage+1];
NSInteger pre4 = [self validPageValue:_curPage+2];
NSInteger pre5 = [self validPageValue:_curPage+3];
NSInteger pre = [self validPageValue:_curPage+4];
NSInteger last = [self validPageValue:_curPage+5];

if (!_curViews) {
_curViews = [[NSMutableArray alloc] init];
}

[_curViews removeAllObjects];

UILabel *oneLabel = (UILabel*)[_datasource pageAtIndex:pre1 andScrollView:self];
[oneLabel setFont:[UIFont systemFontOfSize:14]];
[oneLabel setTextColor:RGBACOLOR(186.0, 186.0, 186.0, 1.0)];

UILabel *twoLabel = (UILabel*)[_datasource pageAtIndex:pre2 andScrollView:self];
[twoLabel setFont:[UIFont systemFontOfSize:14]];
[twoLabel setTextColor:RGBACOLOR(186.0, 186.0, 186.0, 1.0)];

UILabel *currentLabel = (UILabel*)[_datasource pageAtIndex:pre3 andScrollView:self];
[currentLabel setFont:[UIFont systemFontOfSize:16]];
[currentLabel setTextColor:RGBACOLOR(113.0, 113.0, 113.0, 1.0)];

UILabel *threeLabel = (UILabel*)[_datasource pageAtIndex:pre4 andScrollView:self];
[threeLabel setFont:[UIFont systemFontOfSize:18]];
[threeLabel setTextColor:RGBCOLOR(47, 144, 37)];

UILabel *fourLabel = (UILabel*)[_datasource pageAtIndex:pre5 andScrollView:self];
[fourLabel setFont:[UIFont systemFontOfSize:16]];
[fourLabel setTextColor:RGBACOLOR(113.0, 113.0, 113.0, 1.0)];

UILabel *preLabel = (UILabel*)[_datasource pageAtIndex:pre andScrollView:self];
[preLabel setFont:[UIFont systemFontOfSize:14]];
[preLabel setTextColor:RGBACOLOR(186.0, 186.0, 186.0, 1.0)];

UILabel *lastLabel = (UILabel*)[_datasource pageAtIndex:last andScrollView:self];
[lastLabel setFont:[UIFont systemFontOfSize:14]];
[lastLabel setTextColor:RGBACOLOR(186.0, 186.0, 186.0, 1.0)];

[_curViews addObject:oneLabel];
[_curViews addObject:twoLabel];
[_curViews addObject:currentLabel];
[_curViews addObject:threeLabel];
[_curViews addObject:fourLabel];
[_curViews addObject:preLabel];
[_curViews addObject:lastLabel];

}

- (NSInteger)validPageValue:(NSInteger)value {

if(value == -1 ) value = _totalPages - 1;
if(value == _totalPages+1) value = 1;
if (value == _totalPages+2) value = 2;
if(value == _totalPages+3) value = 3;
if (value == _totalPages+4) value = 4;
if(value == _totalPages) value = 0;

return value;

}

- (void)handleTap:(UITapGestureRecognizer *)tap {

if ([_delegate respondsToSelector:@selector(didClickPage:atIndex:)]) {
[_delegate didClickPage:self atIndex:_curPage];
}

}

- (void)setViewContent:(UIView *)view atIndex:(NSInteger)index
{
if (index == _curPage) {
[_curViews replaceObjectAtIndex:1 withObject:view];
for (int i = 0; i < 7; i++) {
UIView *v = [_curViews objectAtIndex:i];
v.userInteractionEnabled = YES;
v.frame = CGRectOffset(v.frame, 0, v.frame.size.height * i);
[_scrollView addSubview:v];
}
}
}

- (void)setAfterScrollShowView:(UIScrollView*)scrollview  andCurrentPage:(NSInteger)pageNumber
{
UILabel *oneLabel = (UILabel*)[[scrollview subviews] objectAtIndex:pageNumber];
[oneLabel setFont:[UIFont systemFontOfSize:14]];
[oneLabel setTextColor:RGBACOLOR(186.0, 186.0, 186.0, 1.0)];
UILabel *twoLabel = (UILabel*)[[scrollview subviews] objectAtIndex:pageNumber+1];
[twoLabel setFont:[UIFont systemFontOfSize:16]];
[twoLabel setTextColor:RGBACOLOR(113.0, 113.0, 113.0, 1.0)];

UILabel *currentLabel = (UILabel*)[[scrollview subviews] objectAtIndex:pageNumber+2];
[currentLabel setFont:[UIFont systemFontOfSize:18]];
[currentLabel setTextColor:RGBCOLOR(47, 144, 37)];

UILabel *threeLabel = (UILabel*)[[scrollview subviews] objectAtIndex:pageNumber+3];
[threeLabel setFont:[UIFont systemFontOfSize:16]];
[threeLabel setTextColor:RGBACOLOR(113.0, 113.0, 113.0, 1.0)];
UILabel *fourLabel = (UILabel*)[[scrollview subviews] objectAtIndex:pageNumber+4];
[fourLabel setFont:[UIFont systemFontOfSize:14]];
[fourLabel setTextColor:RGBACOLOR(186.0, 186.0, 186.0, 1.0)];
}

#pragma mark - UIScrollViewDelegate
- (void)scrollViewDidScroll:(UIScrollView *)aScrollView {
int y = aScrollView.contentOffset.y;
NSInteger page = aScrollView.contentOffset.y/((self.bounds.size.height/5));
if (y>2*(self.bounds.size.height/5)) {
_curPage = [self validPageValue:_curPage+1];
[self loadData];
}
if (y<=0) {
_curPage = [self validPageValue:_curPage-1];
[self loadData];
}
if (page>1 || page <=0) {
[self setAfterScrollShowView:aScrollView andCurrentPage:1];
}
if ([_delegate respondsToSelector:@selector(scrollviewDidChangeNumber:)]) {
[_delegate scrollviewDidChangeNumber:self];
}
}
- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView
{
[self setAfterScrollShowView:scrollView andCurrentPage:1];
}

- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate
{
[_scrollView setContentOffset:CGPointMake(0, (self.bounds.size.height/5)) animated:YES];
[self setAfterScrollShowView:scrollView andCurrentPage:1];
if ([_delegate respondsToSelector:@selector(scrollviewDidChangeNumber:)]) {
[_delegate scrollviewDidChangeNumber:self];
}
}

- (void)scrollViewWillBeginDecelerating:(UIScrollView *)scrollView
{
[self setAfterScrollShowView:scrollView andCurrentPage:1];
}

- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {
[_scrollView setContentOffset:CGPointMake(0, (self.bounds.size.height/5)) animated:YES];
[self setAfterScrollShowView:scrollView andCurrentPage:1];
if ([_delegate respondsToSelector:@selector(scrollviewDidChangeNumber:)]) {
[_delegate scrollviewDidChangeNumber:self];
}
}

@end

合并日期，年月日，时分，星期

//
// RBCustomDatePickerView.h
// RBCustomDateTimePicker
// e-mail:rbyyy924805@163.com
// Created by renbing on 3/17/14.
// Copyright (c) 2014 renbing. All rights reserved.
//

#import <UIKit/UIKit.h>
#import "MXSCycleScrollView.h"

@interface RBCustomDatePickerView : UIView <MXSCycleScrollViewDatasource,MXSCycleScrollViewDelegate>

@property (nonatomic, strong) void (^didChooseTime)(id result);

@end

//
//  RBCustomDatePickerView.m
//  RBCustomDateTimePicker
//  e-mail:rbyyy924805@163.com
//  Created by renbing on 3/17/14.
//  Copyright (c) 2014 renbing. All rights reserved.
//

#import "RBCustomDatePickerView.h"
#import "NSCalendar+DateManipulation.h"
#import "NSCalendar+Ranges.h"

@interface RBCustomDatePickerView()
{
UIView                      *timeBroadcastView;//定时播放显示视图
MXSCycleScrollView          *yearScrollView;//年份滚动视图
MXSCycleScrollView          *monthScrollView;//月份滚动视图
MXSCycleScrollView          *dayScrollView;//日滚动视图
MXSCycleScrollView          *hourScrollView;//时滚动视图
MXSCycleScrollView          *minuteScrollView;//分滚动视图
NSCalendar *_calendar;
NSInteger _days;
}
@end

@implementation RBCustomDatePickerView

- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
// Initialization code
_calendar = [NSCalendar currentCalendar];

[self setTimeBroadcastView];
}
return self;
}

#pragma mark -custompicker
//设置自定义datepicker界面
- (void)setTimeBroadcastView
{
timeBroadcastView = [[UIView alloc] initWithFrame:CGRectMake(0.0, 0.0, kScreenWidth, 180.0)];
CGColorRef cgColor = [UIColor colorWithRed:221.0/255.0 green:221.0/255.0 blue:221.0/255.0 alpha:1.0].CGColor;
timeBroadcastView.layer.borderColor = cgColor;
timeBroadcastView.layer.borderWidth = 1.0;
[self addSubview:timeBroadcastView];

UIView *middleSepView = [[UIView alloc] initWithFrame:CGRectMake(0, 72.0, kScreenWidth, 36)];
[middleSepView setBackgroundColor:RGBCOLOR(227, 255, 226)];
[timeBroadcastView addSubview:middleSepView];

[self setYearScrollView];
[self setMonthScrollView];
[self setDayScrollView];
[self setHourScrollView];
[self setMinuteScrollView];
}

//设置年月日时分的滚动视图
- (void)setYearScrollView
{
yearScrollView = [[MXSCycleScrollView alloc] initWithFrame:CGRectMake(0, 0, 80.0, 180)];
NSInteger yearint = [self setNowTimeShow:0];
[yearScrollView setCurrentSelectPage:(yearint-2002)];
yearScrollView.delegate = self;
yearScrollView.datasource = self;
[self setAfterScrollShowView:yearScrollView andCurrentPage:1];
[timeBroadcastView addSubview:yearScrollView];
}

//设置年月日时分的滚动视图
- (void)setMonthScrollView
{
monthScrollView = [[MXSCycleScrollView alloc] initWithFrame:CGRectMake(CGRectGetMaxX(yearScrollView.frame), 0, 50.0, 180)];
NSInteger monthint = [self setNowTimeShow:1];
[monthScrollView setCurrentSelectPage:(monthint-3)];
monthScrollView.delegate = self;
monthScrollView.datasource = self;
[self setAfterScrollShowView:monthScrollView andCurrentPage:1];
[timeBroadcastView addSubview:monthScrollView];
}
//设置年月日时分的滚动视图
- (void)setDayScrollView
{
_days = [_calendar daysPerMonthUsingReferenceDate:[NSDate date]];

dayScrollView = [[MXSCycleScrollView alloc] initWithFrame:CGRectMake(CGRectGetMaxX(monthScrollView.frame), 0, 90.0, 180)];
NSInteger dayint = [self setNowTimeShow:2];
[dayScrollView setCurrentSelectPage:(dayint-3)];
dayScrollView.delegate = self;
dayScrollView.datasource = self;
[self setAfterScrollShowView:dayScrollView andCurrentPage:1];
[timeBroadcastView addSubview:dayScrollView];
}
//设置年月日时分的滚动视图
- (void)setHourScrollView
{
hourScrollView = [[MXSCycleScrollView alloc] initWithFrame:CGRectMake(CGRectGetMaxX(dayScrollView.frame), 0, 50.0, 180)];
NSInteger hourint = [self setNowTimeShow:3];
[hourScrollView setCurrentSelectPage:(hourint-2)];
hourScrollView.delegate = self;
hourScrollView.datasource = self;
[self setAfterScrollShowView:hourScrollView andCurrentPage:1];
[timeBroadcastView addSubview:hourScrollView];
}
//设置年月日时分的滚动视图
- (void)setMinuteScrollView
{
minuteScrollView = [[MXSCycleScrollView alloc] initWithFrame:CGRectMake(CGRectGetMaxX(hourScrollView.frame), 0, 50.0, 180)];
NSInteger minuteint = [self setNowTimeShow:4];
[minuteScrollView setCurrentSelectPage:(minuteint-2)];
minuteScrollView.delegate = self;
minuteScrollView.datasource = self;
[self setAfterScrollShowView:minuteScrollView andCurrentPage:1];
[timeBroadcastView addSubview:minuteScrollView];
}

- (void)setAfterScrollShowView:(MXSCycleScrollView*)scrollview  andCurrentPage:(NSInteger)pageNumber
{
UILabel *oneLabel = [[(UILabel*)[[scrollview subviews] objectAtIndex:0] subviews] objectAtIndex:pageNumber];
[oneLabel setFont:[UIFont systemFontOfSize:14]];
[oneLabel setTextColor:RGBACOLOR(186.0, 186.0, 186.0, 1.0)];
UILabel *twoLabel = [[(UILabel*)[[scrollview subviews] objectAtIndex:0] subviews] objectAtIndex:pageNumber+1];
[twoLabel setFont:[UIFont systemFontOfSize:16]];
[twoLabel setTextColor:RGBACOLOR(113.0, 113.0, 113.0, 1.0)];

UILabel *currentLabel = [[(UILabel*)[[scrollview subviews] objectAtIndex:0] subviews] objectAtIndex:pageNumber+2];
[currentLabel setFont:[UIFont systemFontOfSize:18]];
[currentLabel setTextColor:RGBCOLOR(47, 144, 37)];

UILabel *threeLabel = [[(UILabel*)[[scrollview subviews] objectAtIndex:0] subviews] objectAtIndex:pageNumber+3];
[threeLabel setFont:[UIFont systemFontOfSize:16]];
[threeLabel setTextColor:RGBACOLOR(113.0, 113.0, 113.0, 1.0)];
UILabel *fourLabel = [[(UILabel*)[[scrollview subviews] objectAtIndex:0] subviews] objectAtIndex:pageNumber+4];
[fourLabel setFont:[UIFont systemFontOfSize:14]];
[fourLabel setTextColor:RGBACOLOR(186.0, 186.0, 186.0, 1.0)];
}

#pragma mark mxccyclescrollview delegate
#pragma mark mxccyclescrollview databasesource
- (NSInteger)numberOfPages:(MXSCycleScrollView*)scrollView
{
if (scrollView == yearScrollView) {
return 99;
}
else if (scrollView == monthScrollView)
{
return 12;
}
else if (scrollView == dayScrollView)
{
return _days;
}
else if (scrollView == hourScrollView)
{
return 24;
}
return 60;
}

- (UIView *)pageAtIndex:(NSInteger)index andScrollView:(MXSCycleScrollView *)scrollView
{
UILabel *l = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, scrollView.bounds.size.width, scrollView.bounds.size.height/5)];
l.tag = index + 1;
if (scrollView == yearScrollView) {
l.text = [NSString stringWithFormat:@"%d年",2000  +index];
}
else if (scrollView == monthScrollView)
{
l.text = [NSString stringWithFormat:@"%02d月",1+index];
}
else if (scrollView == dayScrollView)
{
UILabel *yearLabel = [[(UILabel*)[[yearScrollView subviews] objectAtIndex:0] subviews] objectAtIndex:(index - 1) % 7];
UILabel *monthLabel = [[(UILabel*)[[monthScrollView subviews] objectAtIndex:0] subviews] objectAtIndex:(index - 1) % 7];
UILabel *dayLabel = l;
NSInteger yearInt = yearLabel.tag + 1999;
NSInteger monthInt = monthLabel.tag;
NSInteger dayInt = dayLabel.tag;

NSString *dateStr = [NSString stringWithFormat:@"%d-%02d-%02d",yearInt, monthInt, dayInt];

l.text = [NSString stringWithFormat:@"%02d日 %@",1 + index, [self getWeekDay:dateStr]];
}
else if (scrollView == hourScrollView)
{
l.text = [NSString stringWithFormat:@"%02d时",index];
}
else if (scrollView == minuteScrollView)
{
l.text = [NSString stringWithFormat:@"%02d分",index];
}
else

l.text = [NSString stringWithFormat:@"%02d",index];

l.font = [UIFont systemFontOfSize:16];
l.textColor = RGBACOLOR(113.0, 113.0, 113.0, 1.0);
l.textAlignment = NSTextAlignmentCenter;
l.backgroundColor = [UIColor clearColor];
return l;
}

- (NSString *)getWeekDay:(NSString *)strDate
{
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setLocale:[NSLocale localeWithLocaleIdentifier:@"zh_CN"]];
[dateFormatter setDateFormat:@"yyyy-MM-dd"];

NSDate *date = [dateFormatter dateFromString:strDate];
if (date == nil) {
return @"";
}

NSDateComponents *dateComponents = [_calendar components:NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit|NSWeekdayCalendarUnit fromDate:date];
// 默认显示今天
NSDateComponents *currDateComponents = [_calendar components:NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit fromDate:[NSDate date]];
NSString *weekStr = @"";
if (dateComponents.year == currDateComponents.year && dateComponents.month == currDateComponents.month && dateComponents.day == currDateComponents.day) {
weekStr = @"今天";
} else {
weekStr = [WEEKARRAY objectAtIndex:dateComponents.weekday - 1];
}

return weekStr;
}

//设置现在时间
- (NSInteger)setNowTimeShow:(NSInteger)timeType
{
NSDate *now = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setLocale:[NSLocale localeWithLocaleIdentifier:@"zh_CN"]];
[dateFormatter setDateFormat:@"yyyyMMddHHmm"];
NSString *dateString = [dateFormatter stringFromDate:now];
switch (timeType) {
case 0:
{
NSRange range = NSMakeRange(0, 4);
NSString *yearString = [dateString substringWithRange:range];
return yearString.integerValue;
}
break;
case 1:
{
NSRange range = NSMakeRange(4, 2);
NSString *yearString = [dateString substringWithRange:range];
return yearString.integerValue;
}
break;
case 2:
{
NSRange range = NSMakeRange(6, 2);
NSString *yearString = [dateString substringWithRange:range];
return yearString.integerValue;
}
break;
case 3:
{
NSRange range = NSMakeRange(8, 2);
NSString *yearString = [dateString substringWithRange:range];
return yearString.integerValue;
}
break;
case 4:
{
NSRange range = NSMakeRange(10, 2);
NSString *yearString = [dateString substringWithRange:range];
return yearString.integerValue;
}
break;
default:
break;
}
return 0;
}

//滚动时上下标签显示(当前时间和是否为有效时间)
- (void)scrollviewDidChangeNumber:(MXSCycleScrollView *)csView
{
UILabel *yearLabel = [[(UILabel*)[[yearScrollView subviews] objectAtIndex:0] subviews] objectAtIndex:3];
UILabel *monthLabel = [[(UILabel*)[[monthScrollView subviews] objectAtIndex:0] subviews] objectAtIndex:3];
UILabel *dayLabel = [[(UILabel*)[[dayScrollView subviews] objectAtIndex:0] subviews] objectAtIndex:3];
NSInteger yearInt = yearLabel.tag + 1999;
NSInteger monthInt = monthLabel.tag;
NSInteger dayInt = dayLabel.tag;

NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setLocale:[NSLocale localeWithLocaleIdentifier:@"zh_CN"]];
[dateFormatter setDateFormat:@"yyyy-MM-dd"];

if (csView == yearScrollView || csView == monthScrollView) {
NSString *dateStr = [NSString stringWithFormat:@"%d-%02d-01",yearInt, monthInt];
NSInteger day = [_calendar daysPerMonthUsingReferenceDate:[dateFormatter dateFromString:dateStr]];

if (day != [self numberOfPages:csView]) {
_days = day;

[dayScrollView reloadData];
}
} else if (csView == dayScrollView) {
NSString *dateStr = [NSString stringWithFormat:@"%d-%02d-%02d",yearInt, monthInt,dayInt];

dayLabel.text = [NSString stringWithFormat:@"%02d日 %@",dayInt, [self getWeekDay:dateStr]];
}

UILabel *hourLabel = [[(UILabel*)[[hourScrollView subviews] objectAtIndex:0] subviews] objectAtIndex:3];
UILabel *minuteLabel = [[(UILabel*)[[minuteScrollView subviews] objectAtIndex:0] subviews] objectAtIndex:3];

NSInteger hourInt = hourLabel.tag - 1;
NSInteger minuteInt = minuteLabel.tag - 1;

if (self.didChooseTime) {
[dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm"];

self.didChooseTime([dateFormatter dateFromString:[NSString stringWithFormat:@"%d-%02d-%02d %02d:%02d",yearInt,monthInt,dayInt,hourInt,minuteInt]]);
}
}

@end

整合显示信息...

//
// CustomDatePickerView.h
// PateoII
//
// Created by lance on 14/12/4.
// Copyright (c) 2014年 Pateo. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface CustomDatePickerView : UIView

- (id)initWithParentView:(UIView *)parent;

@property (nonatomic, strong) void (^didChooseTime)(id result);
@property (nonatomic, strong) void (^didCancelTime)();

- (void)show;

@end

//
//  CustomDatePickerView.m
//  PateoII
//
//  Created by lance on 14/12/4.
//  Copyright (c) 2014年 Pateo. All rights reserved.
//

#import "CustomDatePickerView.h"
#import "RBCustomDatePickerView.h"

@interface CustomDatePickerView ()
{
RBCustomDatePickerView *_pickerView;
UIView *_translucentView;

UIView *_parent;
}

@end

@implementation CustomDatePickerView

- (id)initWithParentView:(UIView *)parent
{
CGRect frame = parent.bounds;
frame.size.height = 180;
frame.origin.y = CGRectGetMaxY(parent.frame);

self = [super initWithFrame:frame];
if (self) {
self.backgroundColor = [UIColor whiteColor];

_translucentView = [[UIView alloc] initWithFrame:parent.bounds];
_translucentView.backgroundColor = RGBACOLOR(0, 0, 0, 0.5);
UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapAction)];
[_translucentView addGestureRecognizer:tapGesture];

_pickerView = [[RBCustomDatePickerView alloc] initWithFrame:CGRectMake(0.0, 0.0, kScreenWidth, 180.0)];
[self addSubview:_pickerView];

__weak CustomDatePickerView *weakSelf = self;
_pickerView.didChooseTime = ^(id result) {
if (weakSelf.didChooseTime) {
weakSelf.didChooseTime(result);
}
};

_parent = parent;
}

return self;
}

/**
*  关闭 动画
*/
- (void)hide
{
CGRect frame = self.frame;
frame.origin.y = CGRectGetMaxY(_parent.frame);
[UIView animateWithDuration:0.35 animations:^{
self.frame = frame;
} completion:^(BOOL finished) {
[self removeFromSuperview];
[_translucentView removeFromSuperview];
}];

if (self.didCancelTime) {
self.didCancelTime();
}
}

/**
*  显示 动画
*/
- (void)show
{
[_parent addSubview:_translucentView];
[_parent addSubview:self];

CGRect frame = self.frame;
frame.origin.y = CGRectGetMaxY(_parent.frame) - CGRectGetHeight(self.frame) - 64.0;
[UIView animateWithDuration:0.35 animations:^{
self.frame = frame;
}];
}

- (void)tapAction
{
[self hide];
}

@end

控件主要是他人写的（修改部分算法，比如每月多少天修改为正常显示，而不是总是31天），自己学习记录，使用下...