iOS自定义UIDatepicker日期选择器视图分享

<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>
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<p></p>
     </pre>