简易DatePickerView

仿了一个DatePickerView,使用就在响应方法里面初始化就好.代码直接贴在下面了

TimePickerView.h

#import

typedef enum: NSUInteger {

DatePickerViewDateTimeModel,//年月日时分

DatePickerViewDateModel,//年月日

DatePickerViewTimeModel,//时分

} DatePickerViewModel;

NS_ASSUME_NONNULL_BEGIN

@protocolTimePickerViewDelegate

//确定按钮

- (void)didClickFinishDateTimePickerView:(NSString*)date;

//取消按钮

- (void)didClickCancelTimePickerView;

@end

@interfaceTimePickerView :UIView

/** 协议 */

@property (nonatomic, weak) id<TimePickerViewDelegate>delegate;

//当前时间

@property (nonatomic, strong) NSDate *currentDate;

//标题中心文字

@property (nonatomic, strong) UILabel *titleLabel;

//时间选择器模式

@property (nonatomic, assign) DatePickerViewModel pickerViewModel;

//隐藏

- (void)hideTimePickerView;

//显示

- (void)showTimePickerView;

@end

TimePickerView.m

#define SCREEN_WIDTH [UIScreen mainScreen].bounds.size.width

#define SCREEN_HEIGHT [UIScreen mainScreen].bounds.size.height

#define UIColorFromRGB(rgbValue) [UIColor colorWithRed:((float)((rgbValue &0xFF0000) >>16))/255.0green:((float)((rgbValue &0xFF00) >>8))/255.0blue:((float)(rgbValue &0xFF))/255.0alpha:1.0]

//获取RGB颜色

#define RGBA(r,g,b,a) [UIColor colorWithRed:(r)/255.0fgreen:(g)/255.0fblue:(b)/255.0falpha:a]

@interface TimePickerView ()<UIPickerViewDelegate,UIPickerViewDataSource>

{

NSInteger yearRange;

NSInteger dayRange;

NSInteger startYear;

NSInteger selectedYear;

NSInteger selectedMonth;

NSInteger selectedDay;

NSInteger selectedHour;

NSInteger selectedMinute;

NSInteger selectedSecond;

NSCalendar *calendar;

//左边按钮

UIButton *cancelButton;

//右边按钮

UIButton *chooseButton;

}

/** 选择器 */

@property (nonatomic, strong) UIPickerView *pickerView;

/** 选择器内容 */

@property (nonatomic, copy) NSString *string;

@property (nonatomic, strong) UIView *contentV;

@property (nonatomic, strong) UIView *bgView;

@end

@implementationTimePickerView

- (instancetype)initWithFrame:(CGRect)frame

{

if(self= [super initWithFrame:frame]) {

self.backgroundColor=RGBA(0,0,0,0.5);

self.alpha=0;

UIView *contentV = [[UIView alloc]initWithFrame:CGRectMake(0, SCREEN_HEIGHT, SCREEN_WIDTH, 220)];

contentV.backgroundColor = UIColor.whiteColor;

[self addSubview:contentV];

self.contentV= contentV;

self.pickerView = [[UIPickerView alloc]initWithFrame:CGRectMake(0, 40, [UIScreen mainScreen].bounds.size.width, 180)];

self.pickerView.backgroundColor = UIColor.whiteColor;

self.pickerView.delegate=self;

self.pickerView.dataSource=self;

[contentV addSubview:self.pickerView];

//选择器上方view

UIView *topView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width, 40)];

topView.backgroundColor = UIColor.whiteColor;

[contentV addSubview:topView];

//取消按钮

cancelButton = [UIButton buttonWithType:UIButtonTypeCustom];

cancelButton.frame=CGRectMake(12,0,40,40);

[cancelButton setTitle:@"取消" forState:UIControlStateNormal];

[cancelButton setTitleColor:UIColorFromRGB(0x0d8bf5) forState:UIControlStateNormal];

[cancelButton addTarget:self action:@selector(cancelButtonClick) forControlEvents:UIControlEventTouchUpInside];

[topView addSubview:cancelButton];

//确定按钮

chooseButton = [UIButton buttonWithType:UIButtonTypeCustom];

chooseButton.frame = CGRectMake([UIScreen mainScreen].bounds.size.width-52, 0, 40, 40);

[chooseButton setTitle:@"确定" forState:UIControlStateNormal];

[chooseButton setTitleColor:UIColorFromRGB(0x0d8bf5) forState:UIControlStateNormal];

[chooseButton addTarget:self action:@selector(chooseButtonClick) forControlEvents:UIControlEventTouchUpInside];

[topView addSubview:chooseButton];

self.titleLabel = [[UILabel alloc]initWithFrame:CGRectMake(CGRectGetMaxX(cancelButton.frame), 0, SCREEN_WIDTH-104, 40)];

[topView addSubview:self.titleLabel];

_titleLabel.textColor=UIColorFromRGB(0x3f4548);

_titleLabel.font = [UIFont systemFontOfSize:13];

_titleLabel.textAlignment = NSTextAlignmentCenter;

//分割线

UIView *splitView = [[UIView alloc]initWithFrame:CGRectMake(0, 40, [UIScreen mainScreen].bounds.size.width, 0.5)];

splitView.backgroundColor=UIColorFromRGB(0xe6e6e6);

[topView addSubview:splitView];

NSCalendar *calendar0 = [[NSCalendar alloc]initWithCalendarIdentifier:NSCalendarIdentifierGregorian];

NSDateComponents *comps = [[NSDateComponents alloc]init];

NSInteger unitFlags = NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay | NSCalendarUnitHour | NSCalendarUnitMinute;

comps = [calendar0 components:unitFlags fromDate:[NSDate date]];

NSInteger year = [compsyear];

startYear= year -15;

yearRange=50;

[self setCurrentDate:[NSDate date]];

}

return self;

}

#pragma mark UIPickerViewDataSource

- (NSInteger)numberOfComponentsInPickerView:(UIPickerView*)pickerView

{

if (self.pickerViewModel == DatePickerViewDateTimeModel) {

return5;

}else if (self.pickerViewModel == DatePickerViewDateModel) {

return3;

}else if (self.pickerViewModel == DatePickerViewTimeModel) {

return2;

}

return0;

}

//每列返回的内容

-(NSInteger)pickerView:(UIPickerView*)pickerView numberOfRowsInComponent:(NSInteger)component

{

if (self.pickerViewModel == DatePickerViewDateTimeModel) {

switch(component) {

case 0:

return yearRange;

break;

case1:

return 12;

break;

case 2:

return dayRange;

break;

case 3:

return 24;

break;

case 4:

return 60;

break;

default:

break;

}

}else if (self.pickerViewModel == DatePickerViewDateModel){

switch(component) {

case 0:

return yearRange;

break;

case 1:

return 12;

break;

case 2:

return dayRange;

break;

default:

break;

}

}else if (self.pickerViewModel == DatePickerViewTimeModel){

switch(component) {

case 0:

return 24;

break;

case 1:

return 60;

break;

default:

break;

}

}

return 0;

}

#pragma mark UIPickerViewDelegate

//默认时间处理

- (void)setCurrentDate:(NSDate*)currentDate{

//获取当前时间

NSCalendar *calendar0 = [[NSCalendar alloc]initWithCalendarIdentifier:NSCalendarIdentifierGregorian];

NSDateComponents *comps = [[NSDateComponents alloc]init];

NSInteger unitFlags = NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay | NSCalendarUnitHour | NSCalendarUnitMinute;

comps = [calendar0 components:unitFlags fromDate:[NSDate date]];

NSInteger year = [comps year];

NSInteger month = [comps month];

NSInteger day = [comps day];

NSInteger hour = [comps hour];

NSInteger minute = [comps minute];

selectedYear= year;

selectedMonth= month;

selectedDay= day;

selectedHour= hour;

selectedMinute= minute;

dayRange = [self isAllDay:year andMonth:month];

if (self.pickerViewModel == DatePickerViewDateTimeModel) {

[self.pickerView selectRow:year-startYear inComponent:0 animated:NO];

[self.pickerView selectRow:month-1 inComponent:1 animated:NO];

[self.pickerView selectRow:day-1 inComponent:2 animated:NO];

[self.pickerView selectRow:hour inComponent:3 animated:NO];

[self.pickerView selectRow:minute inComponent:4 animated:NO];

[self pickerView:self.pickerView didSelectRow:year-startYear inComponent:0];

[self pickerView:self.pickerView didSelectRow:month-1 inComponent:1];

[self pickerView:self.pickerView didSelectRow:day-1 inComponent:2];

[self pickerView:self.pickerView didSelectRow:hour inComponent:3];

[self pickerView:self.pickerView didSelectRow:minute inComponent:4];

}else if (self.pickerViewModel == DatePickerViewDateModel) {

[self.pickerView selectRow:year-startYear inComponent:0 animated:NO];

[self.pickerView selectRow:month-1 inComponent:1 animated:NO];

[self.pickerView selectRow:day-1 inComponent:2 animated:NO];

[self pickerView:self.pickerView didSelectRow:year-startYear inComponent:0];

[self pickerView:self.pickerView didSelectRow:month-1 inComponent:1];

[self pickerView:self.pickerView didSelectRow:day-1 inComponent:2];

}else if (self.pickerViewModel == DatePickerViewTimeModel) {

[self.pickerView selectRow:hour inComponent:0 animated:NO];

[self.pickerView selectRow:minute inComponent:1 animated:NO];

[self pickerView:self.pickerView didSelectRow:hour inComponent:0];

[self pickerView:self.pickerView didSelectRow:minute inComponent:1];

}

[self.pickerView reloadAllComponents];

}

- (UIView*)pickerView:(UIPickerView*)pickerView viewForRow:(NSInteger)row forComponent:(NSInteger)component reusingView:(UIView*)view

{

UILabel*label = [[UILabel alloc]initWithFrame:CGRectMake(SCREEN_WIDTH* component/6.0,0,SCREEN_WIDTH/6.0,30)];

label.font = [UIFont systemFontOfSize:15.0];

label.tag= component*100+row;

label.textAlignment = NSTextAlignmentCenter;

if (self.pickerViewModel == DatePickerViewDateTimeModel) {

switch(component) {

case 0:

{

label.text= [NSStringstringWithFormat:@"%ld年",(long)(startYear+ row)];

}

break;

case 1:

{

label.text= [NSStringstringWithFormat:@"%ld月",(long)row+1];

}

break;

case 2:

{

label.text= [NSStringstringWithFormat:@"%ld日",(long)row+1];

}

break;

case 3:

{

label.textAlignment = NSTextAlignmentRight;

label.text= [NSStringstringWithFormat:@"%ld时",(long)row];

}

break;

case 4:

{

label.textAlignment = NSTextAlignmentRight;

label.text= [NSStringstringWithFormat:@"%ld分",(long)row];

}

break;

default:

break;

}

}else if (self.pickerViewModel == DatePickerViewDateModel) {

switch(component) {

case 0:

{

label.text= [NSStringstringWithFormat:@"%ld年",(long)(startYear+ row)];

}

break;

case 1:

{

label.text= [NSStringstringWithFormat:@"%ld月",(long)(row+1)];

}

break;

case 2:

{

label.text= [NSStringstringWithFormat:@"%ld日",(long)(row+1)];

}

break;

default:

break;

}

}else if (self.pickerViewModel == DatePickerViewTimeModel) {

switch(component) {

case 0:

{

label.text= [NSStringstringWithFormat:@"%ld时",(long)(row)];

}

break;

case 1:

{

label.text= [NSStringstringWithFormat:@"%ld分",(long)(row)];

}

break;

default:

break;

}

}

returnlabel;

}

//选择内容的宽

- (CGFloat)pickerView:(UIPickerView*)pickerView widthForComponent:(NSInteger)component

{

if (self.pickerViewModel == DatePickerViewDateTimeModel) {

return ([UIScreen mainScreen].bounds.size.width-40)/5;

}else if (self.pickerViewModel == DatePickerViewDateModel) {

return ([UIScreen mainScreen].bounds.size.width-40)/3;

}else if (self.pickerViewModel == DatePickerViewTimeModel) {

return ([UIScreen mainScreen].bounds.size.width-40)/2;

}

return0;

}

//内容的高

- (CGFloat)pickerView:(UIPickerView*)pickerView rowHeightForComponent:(NSInteger)component

{

return 30;

}

// 监听picker的滑动

- (void)pickerView:(UIPickerView*)pickerView

didSelectRow:(NSInteger)row inComponent:(NSInteger)component {

if (self.pickerViewModel == DatePickerViewDateTimeModel) {

switch(component) {

case 0:

{

selectedYear=startYear+ row;

dayRange=[self isAllDay:selectedYear andMonth:selectedMonth];

[self.pickerView reloadComponent:2];

}

break;

case 1:

{

selectedMonth=row+1;

dayRange=[self isAllDay:selectedYear andMonth:selectedMonth];

[self.pickerView reloadComponent:2];

}

break;

case 2:

{

selectedDay=row+1;

}

break;

case 3:

{

selectedHour=row;

}

break;

case 4:

{

selectedMinute=row;

}

break;

default:

break;

}

_string =[NSString stringWithFormat:@"%ld-%.2ld-%.2ld %.2ld:%.2ld",selectedYear,selectedMonth,selectedDay,selectedHour,selectedMinute];

}else if (self.pickerViewModel == DatePickerViewDateModel){

switch(component) {

case 0:

{

   selectedYear=startYear+ row;

   dayRange=[self isAllDay:selectedYear andMonth:selectedMonth];

   [self.pickerViewreloadComponent:2];

}

break;

case 1:

{

selectedMonth=row+1;

dayRange=[self isAllDay:selectedYear andMonth:selectedMonth];

[self.pickerView reloadComponent:2];

}

break;

case 2:

{

   selectedDay=row+1;

}

break;

default:

break;

}

_string =[NSString stringWithFormat:@"%ld-%.2ld-%.2ld",selectedYear,selectedMonth,selectedDay];

}else if (self.pickerViewModel == DatePickerViewTimeModel){

switch(component) {

case 0:

{

selectedHour=row;

}

break;

case 1:

{

selectedMinute=row;

}

break;

default:

break;

}

_string =[NSString stringWithFormat:@"%.2ld:%.2ld",selectedHour,selectedMinute];

}

}

#pragma mark Show Or Hidden

- (void)showTimePickerView

{

[self setCurrentDate:[NSDate date]];

__weak typeof(self)weakSelf = self;

self.frame = CGRectMake(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);

[UIView animateWithDuration:0.25f animations:^{

self.alpha=1;

weakSelf.contentV.frame=CGRectMake(0,SCREEN_HEIGHT-220,SCREEN_WIDTH,220);

}completion:^(BOOLfinished) {

}];

}

- (void)hideTimePickerView

{

__weak typeof(self)weakSelf = self;

[UIView animateWithDuration:0.25f animations:^{

self.alpha=0;

weakSelf.contentV.frame=CGRectMake(0,SCREEN_HEIGHT,SCREEN_WIDTH,220);

}completion:^(BOOLfinished) {

self.frame = CGRectMake(0, SCREEN_HEIGHT, SCREEN_WIDTH, SCREEN_HEIGHT);

}];

}

#pragma mark -- private

//取消方法

- (void)cancelButtonClick{

if(self.delegate!=nil&& [self.delegaterespondsToSelector:@selector(didClickCancelTimePickerView)]) {

[self.delegate didClickCancelTimePickerView];

}

[self hideTimePickerView];

}

//选中方法

- (void)chooseButtonClick{

if(self.delegate!=nil&& [self.delegaterespondsToSelector:@selector(didClickFinishDateTimePickerView:)]) {

[self.delegate didClickFinishDateTimePickerView:_string];

}

[self hideTimePickerView];

}

//每月天数

- (NSInteger)isAllDay:(NSInteger)year andMonth:(NSInteger)month{

intday =0;

//1、3、5、7、8、10、12月31天

switch(month) {

case1:

case3:

case5:

case7:

case8:

case10:

case12:

day =31;

break;

//2、4、5、6、11月30天

case4:

case6:

case9:

case11:

day =30;

break;

//判断平年闰年二月天数

case2:

{

if(((year%4==0)&&(year%100!=0))||(year%400==0)) {

day =29;

break;

}else{

day =28;

break;

}

}

default:

break;

}

returnday;

}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent*)event

{

[self hideTimePickerView];

}

@end

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简易DatePickerView

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