1 #import <UIKit/UIKit.h> 2 #import "KMDatePicker.h" 3  4 @interface ViewController : UIViewController <UITextFieldDelegate, KMDatePickerDelegate> 5 @PRoperty (strong, nonatomic) UITextField *txtFCurrent; 6  7 @property (strong, nonatomic) IBOutlet UITextField *txtFYearMonthDayHourMinute; 8 @property (strong, nonatomic) IBOutlet UITextField *txtFMonthDayHourMinute; 9 @property (strong, nonatomic) IBOutlet UITextField *txtFYearMonthDay;10 @property (strong, nonatomic) IBOutlet UITextField *txtFHourMinute;11 @property (strong, nonatomic) IBOutlet UITextField *txtFLimitedDate;12 13 @end 

 1 #import "ViewController.h" 2 #import "DateHelper.h" 3 #import "NSDate+CalculateDay.h" 4  5 @interface ViewController () 6 - (void)layoutUI; 7 @end 8  9 @implementation ViewController10 11 - (void)viewDidLoad {12     [super viewDidLoad];13     14     [self layoutUI];15 }16 17 - (void)didReceiveMemoryWarning {18     [super didReceiveMemoryWarning];19     // Dispose of any resources that can be recreated.20 }21 22 - (void)layoutUI {23     CGRect rect = [[UIScreen mainScreen] bounds];24     rect = CGRectMake(0.0, 0.0, rect.size.width, 216.0);25     //年月日時分26     KMDatePicker *datePicker = [[KMDatePicker alloc]27                                 initWithFrame:rect28                                 delegate:self29                                 datePickerStyle:KMDatePickerStyleYearMonthDayHourMinute];30     _txtFYearMonthDayHourMinute.inputView = datePicker;31     _txtFYearMonthDayHourMinute.delegate = self;32     33     //年月日34     datePicker = [[KMDatePicker alloc]35                   initWithFrame:rect36                   delegate:self37                   datePickerStyle:KMDatePickerStyleYearMonthDay];38     _txtFYearMonthDay.inputView = datePicker;39     _txtFYearMonthDay.delegate = self;40     41     //月日時分42     datePicker = [[KMDatePicker alloc]43                   initWithFrame:rect44                   delegate:self45                   datePickerStyle:KMDatePickerStyleMonthDayHourMinute];46     _txtFMonthDayHourMinute.inputView = datePicker;47     _txtFMonthDayHourMinute.delegate = self;48     49     //時分50     datePicker = [[KMDatePicker alloc]51                   initWithFrame:rect52                   delegate:self53                   datePickerStyle:KMDatePickerStyleHourMinute];54     _txtFHourMinute.inputView = datePicker;55     _txtFHourMinute.delegate = self;56     57     //年月日時分；限制時間范圍58     datePicker = [[KMDatePicker alloc]59                   initWithFrame:rect60                   delegate:self61                   datePickerStyle:KMDatePickerStyleYearMonthDayHourMinute];62     datePicker.minLimitedDate = [[DateHelper localeDate] addMonthAndDay:-24 days:0];63     datePicker.maxLimitedDate = [datePicker.minLimitedDate addMonthAndDay:48 days:0];64     _txtFLimitedDate.inputView = datePicker;65     _txtFLimitedDate.delegate = self;66 }67 68 - (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {69     [self.view endEditing:YES];70 }71 72 #pragma mark - UITextFieldDelegate73 - (void)textFieldDidBeginEditing:(UITextField *)textField {74     _txtFCurrent = textField;75 }76 77 #pragma mark - KMDatePickerDelegate78 - (void)datePicker:(KMDatePicker *)datePicker didSelectDate:(KMDatePickerDateModel *)datePickerDate {79     NSString *dateStr = [NSString stringWithFormat:@"%@-%@-%@ %@:%@ %@",80                          datePickerDate.year,81                          datePickerDate.month,82                          datePickerDate.day,83                          datePickerDate.hour,84                          datePickerDate.minute,85                          datePickerDate.weekdayName86                          ];87     _txtFCurrent.text = dateStr;88 }89 90 @end 

 1 #import <Foundation/Foundation.h> 2  3 @interface NSDate (CalculateDay) 4 /** 5  *  獲取對應(yīng)月份的天數(shù) 6  * 7  *  @return 對應(yīng)月份的天數(shù) 8  */ 9 - (NSUInteger)daysOfMonth;10 11 /**12  *  獲取對應(yīng)年份的天數(shù)13  *14  *  @return 對應(yīng)年份的天數(shù)15  */16 - (NSUInteger)daysOfYear;17 18 /**19  *  獲取對應(yīng)月份的第一天時間20  *21  *  @return 對應(yīng)月份的第一天時間22  */23 - (NSDate *)firstDayOfMonth;24 25 /**26  *  獲取對應(yīng)月份的最后一天時間27  *28  *  @return 對應(yīng)月份的最后一天時間29  */30 - (NSDate *)lastDayOfMonth;31 32 /**33  *  根據(jù)月數(shù)和天數(shù)間隔，獲取間隔后的時間34  *35  *  @param months 月數(shù)間隔36  *  @param days   天數(shù)間隔37  *38  *  @return 間隔后的時間39  */40 - (NSDate *)addMonthAndDay:(NSUInteger)months days:(NSUInteger)days;41 42 /**43  *  根據(jù)開始時間和結(jié)束時間，獲取間隔的時間數(shù)組44  *45  *  @param toDate 結(jié)束時間46  *47  *  @return 間隔的時間數(shù)組（月數(shù)和天數(shù)；toDate-fromDate的比較值是有符號整數(shù)NSInteger，所以存在負(fù)數(shù)的可能）48  */49 - (NSArray *)monthAndDayBetweenTwoDates:(NSDate *)toDate;50 51 /**52  *  獲取對應(yīng)周期的數(shù)字53  *54  *  @return 對應(yīng)周期的數(shù)字（1：周日、2：周一、3：周二、4：周三、5：周四、6：周五、7：周六）55  */56 - (NSInteger)weekday;57 58 /**59  *  根據(jù)地區(qū)標(biāo)示符，獲取對應(yīng)周期的名稱60  *61  *  @param isShortName      是否是短名稱62  *  @param localeIdentifier 地區(qū)標(biāo)示符（中國：zh_CN、美國：en_US）63  *64  *  @return 對應(yīng)周期的名稱65  */66 - (NSString *)weekdayName:(BOOL)isShortName localeIdentifier:(NSString *)localeIdentifier;67 68 /**69  *  獲取對應(yīng)周期的中文名稱70  *71  *  @param isShortName 是否是短名稱72  *73  *  @return 對應(yīng)周期的中文名稱（短名稱：周日、周一、周二、周三、周四、周五、周六）（長名稱：星期日、星期一、星期二、星期三、星期四、星期五、星期六）74  */75 - (NSString *)weekdayNameCN:(BOOL)isShortName;76 77 /**78  *  獲取對應(yīng)周期的英文名稱79  *80  *  @param isShortName 是否是短名稱81  *82  *  @return 對應(yīng)周期的英文名稱（短名稱：Sun、Mon、Tue、Wed、Thu、Fri、Sat）（長名稱：Sunday、Monday、Tuesday、Wednesday、Thursday、Friday、Saturday）83  */84 - (NSString *)weekdayNameEN:(BOOL)isShortName;85 @end 

  1 #import "NSDate+CalculateDay.h"  2   3 @implementation NSDate (CalculateDay)  4   5 - (NSUInteger)daysOfMonth {  6     NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];  7     NSRange range = [gregorian rangeOfUnit:NSCalendarUnitDay inUnit:NSCalendarUnitMonth forDate:self];  8     return range.length;  9 } 10  11 - (NSUInteger)daysOfYear { 12     NSUInteger days = 0; 13     NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian]; 14     NSDateComponents *comps = [gregorian components:NSCalendarUnitYear fromDate:self]; 15      16     for (NSUInteger i=1; i<=12; i++) { 17         [comps setMonth:i]; 18         days += [[gregorian dateFromComponents:comps] daysOfMonth]; 19     } 20     return days; 21 } 22  23 - (NSDate *)firstDayOfMonth { 24     NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian]; 25     unsigned unitFlags = NSCalendarUnitYear | NSCalendarUnitMonth |  NSCalendarUnitDay | NSCalendarUnitHour | NSCalendarUnitMinute | NSCalendarUnitSecond; 26     NSDateComponents *comps = [gregorian components:unitFlags fromDate:self]; 27     [comps setTimeZone:[NSTimeZone timeZoneWithAbbreviation:@"UTC"]]; //使用UTC或GMT解決時區(qū)相差8小時的問題 28     [comps setDay:1]; 29      30     return [gregorian dateFromComponents:comps]; 31 } 32  33 - (NSDate *)lastDayOfMonth { 34     NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian]; 35     unsigned unitFlags = NSCalendarUnitYear | NSCalendarUnitMonth |  NSCalendarUnitDay | NSCalendarUnitHour | NSCalendarUnitMinute | NSCalendarUnitSecond; 36     NSDateComponents *comps = [gregorian components:unitFlags fromDate:self]; 37     [comps setTimeZone:[NSTimeZone timeZoneWithAbbreviation:@"UTC"]]; //使用UTC或GMT解決時區(qū)相差8小時的問題 38     [comps setDay:[self daysOfMonth]]; 39      40     return [gregorian dateFromComponents:comps]; 41 } 42  43 - (NSDate *)addMonthAndDay:(NSUInteger)months days:(NSUInteger)days { 44     NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian]; 45     NSDateComponents *comps = [NSDateComponents new]; 46     [comps setTimeZone:[NSTimeZone timeZoneWithAbbreviation:@"UTC"]]; //使用UTC或GMT解決時區(qū)相差8小時的問題 47     [comps setMonth:months]; 48     [comps setDay:days]; 49      50     return [gregorian dateByAddingComponents:comps toDate:self options:0]; 51 } 52  53 - (NSArray *)monthAndDayBetweenTwoDates:(NSDate *)toDate { 54     NSMutableArray *mArrMonthAndDay = [[NSMutableArray alloc] initWithCapacity:2]; 55     NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian]; 56     unsigned unitFlags = NSCalendarUnitMonth |  NSCalendarUnitDay; 57     NSDateComponents *comps = [gregorian components:unitFlags fromDate:self toDate:toDate options:0]; 58      59     [mArrMonthAndDay addObject:[NSString stringWithFormat:@"%ld", (long)[comps month]]]; 60     [mArrMonthAndDay addObject:[NSString stringWithFormat:@"%ld", (long)[comps day]]]; 61     return mArrMonthAndDay; 62 } 63  64 - (NSInteger)weekday { 65     return [[[NSCalendar currentCalendar] components:NSCalendarUnitWeekday fromDate:self] weekday]; 66 } 67  68 - (NSString *)weekdayName:(BOOL)isShortName localeIdentifier:(NSString *)localeIdentifier { 69     NSDateFormatter *formatter = [NSDateFormatter new]; 70     formatter.timeZone = [NSTimeZone timeZoneWithAbbreviation:@"UTC"]; 71     formatter.locale = [[NSLocale alloc] initWithLocaleIdentifier:localeIdentifier]; 72     formatter.dateFormat = isShortName ? @"EE" : @"EEEE"; 73     return [formatter stringFromDate:self]; 74 } 75  76 - (NSString *)weekdayNameCN:(BOOL)isShortName { 77     /* 78     //方法一： 79     NSArray *arrWeekdayName = 80     isShortName 81     ? @[ @"周日", 82          @"周一", 83          @"周二", 84          @"周三", 85          @"周四", 86          @"周五", 87          @"周六" ] 88     : @[ 89         @"星期日", 90         @"星期一", 91         @"星期二", 92         @"星期三", 93         @"星期四", 94         @"星期五", 95         @"星期六" 96         ]; 97      98     NSInteger weekday = [self weekday]; 99     return arrWeekdayName[weekday - 1];100      */101     102     //方法二：103     return [self weekdayName:isShortName localeIdentifier:@"zh_CN"];104 }105 106 - (NSString *)weekdayNameEN:(BOOL)isShortName {107     return [self weekdayName:isShortName localeIdentifier:@"en_US"];108 }109 110 @end 

 1 #import <Foundation/Foundation.h> 2  3 @interface DateHelper : NSObject 4 /** 5  *  獲取本地當(dāng)前時間 6  * 7  *  @return 本地當(dāng)前時間 8  */ 9 + (NSDate *)localeDate;10 11 /**12  *  根據(jù)時間字符串和其格式，獲取對應(yīng)的時間13  *14  *  @param dateStr 時間字符串15  *  @param format  時間字符串格式（默認(rèn)值為@"yyyy-MM-dd HH:mm"）16  *17  *  @return 對應(yīng)的時間18  */19 + (NSDate *)dateFromString:(NSString *)dateStr withFormat:(NSString *)format;20 21 @end 

 1 #import "DateHelper.h" 2  3 @implementation DateHelper 4  5 + (NSDate *)localeDate { 6     NSDate *date = [NSDate date]; 7     NSTimeZone *zone = [NSTimeZone systemTimeZone]; 8     NSInteger interval = [zone secondsFromGMTForDate:date]; 9     return [date dateByAddingTimeInterval:interval];10 }11 12 + (NSDate *)dateFromString:(NSString *)dateStr withFormat:(NSString *)format {13     NSDateFormatter *formatter = [NSDateFormatter new];14     formatter.timeZone = [NSTimeZone timeZoneWithAbbreviation:@"UTC"];15     formatter.dateFormat = format ?: @"yyyy-MM-dd HH:mm";16     return [formatter dateFromString:dateStr];17 }18 19 @end 

 1 #import <Foundation/Foundation.h> 2  3 @interface KMDatePickerDateModel : NSObject 4 @property (copy, nonatomic) NSString *year; 5 @property (copy, nonatomic) NSString *month; 6 @property (copy, nonatomic) NSString *day; 7 @property (copy, nonatomic) NSString *hour; 8 @property (copy, nonatomic) NSString *minute; 9 @property (copy, nonatomic) NSString *weekdayName;10 11 - (instancetype)initWithDate:(NSDate *)date;12 13 @end 

 1 #import "KMDatePickerDateModel.h" 2 #import "NSDate+CalculateDay.h" 3  4 @implementation KMDatePickerDateModel 5  6 - (instancetype)initWithDate:(NSDate *)date { 7     if (self = [super init]) { 8         NSDateFormatter *formatter = [NSDateFormatter new]; 9         formatter.timeZone = [NSTimeZone timeZoneWithAbbreviation:@"UTC"];10         formatter.dateFormat = @"yyyyMMddHHmm";11         NSString *dateStr = [formatter stringFromDate:date];12         13         _year = [dateStr substringWithRange:NSMakeRange(0, 4)];14         _month = [dateStr substringWithRange:NSMakeRange(4, 2)];15         _day = [dateStr substringWithRange:NSMakeRange(6, 2)];16         _hour = [dateStr substringWithRange:NSMakeRange(8, 2)];17         _minute = [dateStr substringWithRange:NSMakeRange(10, 2)];18         _weekdayName = [date weekdayNameCN:YES];19     }20     return self;21 }22 23 @end 

 1 #import <UIKit/UIKit.h> 2 #import "KMDatePickerDateModel.h" 3  4 typedef NS_ENUM(NSUInteger, KMDatePickerStyle) { 5     KMDatePickerStyleYearMonthDayHourMinute, 6     KMDatePickerStyleYearMonthDay, 7     KMDatePickerStyleMonthDayHourMinute, 8     KMDatePickerStyleHourMinute 9 };10 11 @protocol KMDatePickerDelegate;12 @interface KMDatePicker : UIView <UIPickerViewDataSource, UIPickerViewDelegate>13 @property (weak, nonatomic) id<KMDatePickerDelegate> delegate;14 @property (assign, nonatomic) KMDatePickerStyle datePickerStyle;15 @property (strong, nonatomic) NSDate *minLimitedDate; //最小限制時間；默認(rèn)值為1970-01-01 00:0016 @property (strong, nonatomic) NSDate *maxLimitedDate; //最大限制時間；默認(rèn)值為2060-12-31 23:5917 @property (strong, nonatomic) NSDate *scrollToDate; //滾動到指定時間；默認(rèn)值為當(dāng)前時間18 19 - (instancetype)initWithFrame:(CGRect)frame delegate:(id<KMDatePickerDelegate>)delegate datePickerStyle:(KMDatePickerStyle)datePickerStyle;20 21 @end22 23 @protocol KMDatePickerDelegate <NSObject>24 @required25 - (void)datePicker:(KMDatePicker *)datePicker didSelectDate:(KMDatePickerDateModel *)datePickerDate;26 27 @end 

  1 #import "KMDatePicker.h"  2 #import "NSDate+CalculateDay.h"  3 #import "DateHelper.h"  4   5 #define kDefaultMinLimitedDate @"1970-01-01 00:00"  6 #define kDefaultMaxLimitedDate @"2060-12-31 23:59"  7 #define kMonthCountOfEveryYear 12  8 #define kHourCountOfEveryDay 24  9 #define kMinuteCountOfEveryHour 60 10 #define kRowDisabledStatusColor [UIColor redColor] 11 #define kRowNormalStatusColor [UIColor blackColor] 12 #define kWidthOfTotal self.frame.size.width 13 #define kHeightOfButtonContentView 35.0 14 #define kButtonNormalStatusColor [UIColor colorWithRed:0.0 green:0.5 blue:1.0 alpha:1.0] 15  16 @interface KMDatePicker () { 17     UIPickerView *pikV; 18      19     //最小和最大限制時間、滾動到指定時間實(shí)體對象實(shí)例 20     KMDatePickerDateModel *datePickerDateMinLimited; 21     KMDatePickerDateModel *datePickerDateMaxLimited; 22     KMDatePickerDateModel *datePickerDateScrollTo; 23      24     //存儲時間數(shù)據(jù)源的數(shù)組 25     NSMutableArray *mArrYear; 26     NSMutableArray *mArrMonth; 27     NSMutableArray *mArrDay; 28     NSMutableArray *mArrHour; 29     NSMutableArray *mArrMinute; 30      31     //時間數(shù)據(jù)源的數(shù)組中，選中元素的索引 32     NSInteger yearIndex; 33     NSInteger monthIndex; 34     NSInteger dayIndex; 35     NSInteger hourIndex; 36     NSInteger minuteIndex; 37 } 38  39 - (void)addUnitLabel:(NSString *)text withPointX:(CGFloat)pointX; 40 - (NSUInteger)daysOfMonth; 41 - (void)reloadDayArray; 42 - (void)loadData; 43 - (void)scrollToDateIndexPosition; 44 - (void)playDelegateAfterSelectedRow; 45 - (BOOL)validatedDate:(NSDate *)date; 46 - (BOOL)canShowScrollToNowButton; 47 - (void)cancel:(UIButton *)sender; 48 - (void)scrollToNowDateIndexPosition:(UIButton *)sender; 49 - (void)confirm:(UIButton *)sender; 50 - (UIColor *)monthRowTextColor:(NSInteger)row; 51 - (UIColor *)dayRowTextColor:(NSInteger)row; 52 - (UIColor *)hourRowTextColor:(NSInteger)row; 53 - (UIColor *)minuteRowTextColor:(NSInteger)row; 54  55 @end 56  57 @implementation KMDatePicker 58  59 - (instancetype)init { 60     if (self = [super init]) { 61         self.backgroundColor = [UIColor whiteColor]; 62     } 63     return self; 64 } 65  66 - (instancetype)initWithFrame:(CGRect)frame { 67     if (self = [super initWithFrame:frame]) { 68         self.backgroundColor = [UIColor whiteColor]; 69     } 70     return self; 71 } 72  73 - (instancetype)initWithFrame:(CGRect)frame delegate:(id<KMDatePickerDelegate>)delegate datePickerStyle:(KMDatePickerStyle)datePickerStyle { 74     _delegate = delegate; 75     _datePickerStyle = datePickerStyle; 76     return [self initWithFrame:frame]; 77 } 78  79 #pragma mark - 自定義方法 80 - (void)addUnitLabel:(NSString *)text withPointX:(CGFloat)pointX { 81     CGFloat pointY = pikV.frame.size.height/2 - 10.0 + kHeightOfButtonContentView; 82     UILabel *lblUnit = [[UILabel alloc] initWithFrame:CGRectMake(pointX, pointY, 20.0, 20.0)]; 83     lblUnit.text = text; 84     lblUnit.textAlignment = NSTextAlignmentCenter; 85     lblUnit.textColor = [UIColor blackColor]; 86     lblUnit.backgroundColor = [UIColor clearColor]; 87     lblUnit.font = [UIFont systemFontOfSize:18.0]; 88     lblUnit.layer.shadowColor = [[UIColor whiteColor] CGColor]; 89     lblUnit.layer.shadowOpacity = 0.5; 90     lblUnit.layer.shadowRadius = 5.0; 91     [self addSubview:lblUnit]; 92 } 93  94 - (NSUInteger)daysOfMonth { 95     NSString *dateStr = [NSString stringWithFormat:@"%@-%@-01 00:00", mArrYear[yearIndex], mArrMonth[monthIndex]]; 96     return [[DateHelper dateFromString:dateStr withFormat:@"yyyy-MM-dd HH:mm"] daysOfMonth]; 97 } 98  99 - (void)reloadDayArray {100     mArrDay = [NSMutableArray new];101     for (NSUInteger i=1, len=[self daysOfMonth]; i<=len; i++) {102         [mArrDay addObject:[NSString stringWithFormat:@"%02ld", (long)i]];103     }104 }105 106 - (void)loadData {107     //初始化最小和最大限制時間、滾動到指定時間實(shí)體對象實(shí)例108     if (!_minLimitedDate) {109         _minLimitedDate = [DateHelper dateFromString:kDefaultMinLimitedDate withFormat:nil];110     }111     datePickerDateMinLimited = [[KMDatePickerDateModel alloc] initWithDate:_minLimitedDate];112     113     if (!_maxLimitedDate) {114         _maxLimitedDate = [DateHelper dateFromString:kDefaultMaxLimitedDate withFormat:nil];115     }116     datePickerDateMaxLimited = [[KMDatePickerDateModel alloc] initWithDate:_maxLimitedDate];117     118     //滾動到指定時間；默認(rèn)值為當(dāng)前時間。如果是使用自定義時間小于最小限制時間，這時就以最小限制時間為準(zhǔn)；如果是使用自定義時間大于最大限制時間，這時就以最大限制時間為準(zhǔn)119     if (!_scrollToDate) {120         _scrollToDate = [DateHelper localeDate];121     }122     if ([_scrollToDate compare:_minLimitedDate] == NSOrderedAscending) {123         _scrollToDate = _minLimitedDate;124     } else if ([_scrollToDate compare:_maxLimitedDate] == NSOrderedDescending) {125         _scrollToDate = _maxLimitedDate;126     }127     datePickerDateScrollTo = [[KMDatePickerDateModel alloc] initWithDate:_scrollToDate];128     129     //初始化存儲時間數(shù)據(jù)源的數(shù)組130     //年131     mArrYear = [NSMutableArray new];132     for (NSInteger beginVal=[datePickerDateMinLimited.year integerValue], endVal=[datePickerDateMaxLimited.year integerValue]; beginVal<=endVal; beginVal++) {133         [mArrYear addObject:[NSString stringWithFormat:@"%ld", (long)beginVal]];134     }135     yearIndex = [datePickerDateScrollTo.year integerValue] - [datePickerDateMinLimited.year integerValue];136     137     //月138     mArrMonth = [[NSMutableArray alloc] initWithCapacity:kMonthCountOfEveryYear];139     for (NSInteger i=1; i<=kMonthCountOfEveryYear; i++) {140         [mArrMonth addObject:[NSString stringWithFormat:@"%02ld", (long)i]];141     }142     monthIndex = [datePickerDateScrollTo.month integerValue] - 1;143     144     //日145     [self reloadDayArray];146     dayIndex = [datePickerDateScrollTo.day integerValue] - 1;147     148     //時149     mArrHour = [[NSMutableArray alloc] initWithCapacity:kHourCountOfEveryDay];150     for (NSInteger i=0; i<kHourCountOfEveryDay; i++) {151         [mArrHour addObject:[NSString stringWithFormat:@"%02ld", (long)i]];152     }153     hourIndex = [datePickerDateScrollTo.hour integerValue];154     155     //分156     mArrMinute = [[NSMutableArray alloc] initWithCapacity:kMinuteCountOfEveryHour];157     for (NSInteger i=0; i<kMinuteCountOfEveryHour; i++) {158         [mArrMinute addObject:[NSString stringWithFormat:@"%02ld", (long)i]];159     }160     minuteIndex = [datePickerDateScrollTo.minute integerValue];161 }162 163 - (void)scrollToDateIndexPosition {164     NSArray *arrIndex;165     switch (_datePickerStyle) {166         case KMDatePickerStyleYearMonthDayHourMinute: {167             arrIndex = @[168                          [NSNumber numberWithInteger:yearIndex],169                          [NSNumber numberWithInteger:monthIndex],170                          [NSNumber numberWithInteger:dayIndex],171                          [NSNumber numberWithInteger:hourIndex],172                          [NSNumber numberWithInteger:minuteIndex]173                          ];174             break;175         }176         case KMDatePickerStyleYearMonthDay: {177             arrIndex = @[178                          [NSNumber numberWithInteger:yearIndex],179                          [NSNumber numberWithInteger:monthIndex],180                          [NSNumber numberWithInteger:dayIndex]181                          ];182             break;183         }184         case KMDatePickerStyleMonthDayHourMinute: {185             arrIndex = @[186                          [NSNumber numberWithInteger:monthIndex],187                          [NSNumber numberWithInteger:dayIndex],188                          [NSNumber numberWithInteger:hourIndex],189                          [NSNumber numberWithInteger:minuteIndex]190                          ];191             break;192         }193         case KMDatePickerStyleHourMinute: {194             arrIndex = @[195                          [NSNumber numberWithInteger:hourIndex],196                          [NSNumber numberWithInteger:minuteIndex]197                          ];198             break;199         }200     }201 202     for (NSUInteger i=0, len=arrIndex.count; i<len; i++) {203         [pikV selectRow:[arrIndex[i] integerValue] inComponent:i animated:YES];204     }205 }206 207 - (BOOL)validatedDate:(NSDate *)date {208     NSString *minDateStr = [NSString stringWithFormat:@"%@-%@-%@ %@:%@",209                             datePickerDateMinLimited.year,210                             datePickerDateMinLimited.month,211                             datePickerDateMinLimited.day,212                             datePickerDateMinLimited.hour,213                             datePickerDateMinLimited.minute214                             ];215     216     return !([date compare:[DateHelper dateFromString:minDateStr withFormat:nil]] == NSOrderedAscending ||217              [date compare:_maxLimitedDate] == NSOrderedDescending);218 }219 220 - (BOOL)canShowScrollToNowButton {221     return [self validatedDate:[DateHelper localeDate]];222 }223 224 - (void)cancel:(UIButton *)sender {225     UIViewController *delegateVC = (UIViewController *)self.delegate;226     [delegateVC.view endEditing:YES];227 }228 229 - (void)scrollToNowDateIndexPosition:(UIButton *)sender {230     //為了區(qū)別最大最小限制范圍外行的標(biāo)簽顏色，這里需要重新加載所有組件列231     [pikV reloadAllComponents];232     233     _scrollToDate = [DateHelper localeDate];234     datePickerDateScrollTo = [[KMDatePickerDateModel alloc] initWithDate:_scrollToDate];235     yearIndex = [datePickerDateScrollTo.year integerValue] - [datePickerDateMinLimited.year integerValue];236     monthIndex = [datePickerDateScrollTo.month integerValue] - 1;237     dayIndex = [datePickerDateScrollTo.day integerValue] - 1;238     hourIndex = [datePickerDateScrollTo.hour integerValue];239     minuteIndex = [datePickerDateScrollTo.minute integerValue];240     [self scrollToDateIndexPosition];241 }242 243 - (void)confirm:(UIButton *)sender {244     [self playDelegateAfterSelectedRow];245     246     [self cancel:sender];247 }248 249 - (UIColor *)monthRowTextColor:(NSInteger)row {250     UIColor *color = kRowNormalStatusColor;251     NSString *dateStr = [NSString stringWithFormat:@"%@-%@-01 00:00",252                          mArrYear[yearIndex],253                          mArrMonth[row]254                          ];255     NSDate *date = [DateHelper dateFromString:dateStr withFormat:nil];256     257     NSString *minDateStr = [NSString stringWithFormat:@"%@-%@-01 00:00",258                          datePickerDateMinLimited.year,259                          datePickerDateMinLimited.month260                          ];261     262     if ([date compare:[DateHelper dateFromString:minDateStr withFormat:nil]] == NSOrderedAscending ||263         [date compare:_maxLimitedDate] == NSOrderedDescending) {264         color = kRowDisabledStatusColor;265     }266     267     return color;268 }269 270 - (UIColor *)dayRowTextColor:(NSInteger)row {271     UIColor *color = kRowNormalStatusColor;272     NSString *dateStr = [NSString stringWithFormat:@"%@-%@-%@ 00:00",273                          mArrYear[yearIndex],274                          mArrMonth[monthIndex],275                          mArrDay[row]276                          ];277     NSDate *date = [DateHelper dateFromString:dateStr withFormat:nil];278     279     NSString *minDateStr = [NSString stringWithFormat:@"%@-%@-%@ 00:00",280                             datePickerDateMinLimited.year,281                             datePickerDateMinLimited.month,282                             datePickerDateMinLimited.day283                             ];284     285     if ([date compare:[DateHelper dateFromString:minDateStr withFormat:nil]] == NSOrderedAscending ||286         [date compare:_maxLimitedDate] == NSOrderedDescending) {287         color = kRowDisabledStatusColor;288     }289     290     return color;291 }292 293 - (UIColor *)hourRowTextColor:(NSInteger)row {294     UIColor *color = kRowNormalStatusColor;295     NSString *dateStr = [NSString stringWithFormat:@"%@-%@-%@ %@:00",296                          mArrYear[yearIndex],297                          mArrMonth[monthIndex],298                          mArrDay[dayIndex],299                          mArrHour[row]300                          ];301     NSDate *date = [DateHelper dateFromString:dateStr withFormat:nil];302     303     NSString *minDateStr = [NSString stringWithFormat:@"%@-%@-%@ %@:00",304                             datePickerDateMinLimited.year,305                             datePickerDateMinLimited.month,306                             datePickerDateMinLimited.day,307                             datePickerDateMinLimited.hour308                             ];309     310     if ([date compare:[DateHelper dateFromString:minDateStr withFormat:nil]] == NSOrderedAscending ||311         [date compare:_maxLimitedDate] == NSOrderedDescending) {312         color = kRowDisabledStatusColor;313     }314     315     return color;316 }317 318 - (UIColor *)minuteRowTextColor:(NSInteger)row {319     NSString *format = @"yyyy-MM-dd HH:mm:ss";320     UIColor *color = kRowNormalStatusColor;321     NSString *dateStr = [NSString stringWithFormat:@"%@-%@-%@ %@:%@:00",322                          mArrYear[yearIndex],323                          mArrMonth[monthIndex],324                          mArrDay[dayIndex],325                          mArrHour[hourIndex],326                          mArrMinute[row]327                          ];328     NSDate *date = [DateHelper dateFromString:dateStr withFormat:format];329     330     NSString *minDateStr = [NSString stringWithFormat:@"%@-%@-%@ %@:%@:00",331                             datePickerDateMinLimited.year,332                             datePickerDateMinLimited.month,333                             datePickerDateMinLimited.day,334                             datePickerDateMinLimited.hour,335                             datePickerDateMinLimited.minute336                             ];337     338     if ([date compare:[DateHelper dateFromString:minDateStr withFormat:format]] == NSOrderedAscending ||339         [date compare:_maxLimitedDate] == NSOrderedDescending) {340         color = kRowDisabledStatusColor;341     }342     343     return color;344 }345 346 #pragma mark - 繪制內(nèi)容347 - (void)drawRect:(CGRect)rect {348     //加載數(shù)據(jù)349     [self loadData];350     351     //初始化頭部按鈕（取消、現(xiàn)在時間、確定）352     UIView *buttonContentView = [[UIView alloc] initWithFrame:CGRectMake(-2.0, 0.0, kWidthOfTotal + 4.0, kHeightOfButtonContentView)];353     buttonContentView.layer.borderColor = [UIColor lightGrayColor].CGColor;354     buttonContentView.layer.borderWidth = 0.5;355     [self addSubview:buttonContentView];356     357     UIButton *btnCancel = [UIButton buttonWithType:UIButtonTypeCustom];358     btnCancel.frame = CGRectMake(2.0, 2.5, 60.0, kHeightOfButtonContentView - 5.0);359     btnCancel.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;360     [btnCancel setTitle:@"取消" forState:UIControlStateNormal];361     [btnCancel setTitleColor:kButtonNormalStatusColor forState:UIControlStateNormal];362     [btnCancel addTarget:self363                   action:@selector(cancel:)364         forControlEvents:UIControlEventTouchUpInside];365     [buttonContentView addSubview:btnCancel];366     367     if ([self canShowScrollToNowButton]) {368         UIButton *btnScrollToNow = [UIButton buttonWithType:UIButtonTypeCustom];369         btnScrollToNow.frame = CGRectMake(buttonContentView.frame.size.width/2 - 50.0, 2.5, 100.0, kHeightOfButtonContentView - 5.0);370         btnScrollToNow.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;371         [btnScrollToNow setTitle:@"現(xiàn)在時間" forState:UIControlStateNormal];372         [btnScrollToNow setTitleColor:kButtonNormalStatusColor forState:UIControlStateNormal];373         [btnScrollToNow addTarget:self374                            action:@selector(scrollToNowDateIndexPosition:)375                  forControlEvents:UIControlEventTouchUpInside];376         [buttonContentView addSubview:btnScrollToNow];377     }378     379     UIButton *btnConfirm = [UIButton buttonWithType:UIButtonTypeCustom];380     btnConfirm.frame = CGRectMake(kWidthOfTotal - 58.0, 2.5, 60.0, kHeightOfButtonContentView - 5.0);381     btnConfirm.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;382     [btnConfirm setTitle:@"確定" forState:UIControlStateNormal];383     [btnConfirm setTitleColor:kButtonNormalStatusColor forState:UIControlStateNormal];384     [btnConfirm addTarget:self385                    action:@selector(confirm:)386          forControlEvents:UIControlEventTouchUpInside];387     [buttonContentView addSubview:btnConfirm];388     389     //初始化選擇器視圖控件390     if (!pikV) {391         pikV = [[UIPickerView alloc]initWithFrame:CGRectMake(0.0, kHeightOfButtonContentView, kWidthOfTotal, self.frame.size.height - kHeightOfButtonContentView)];392         pikV.showsSelectionIndicator = YES;393         pikV.backgroundColor = [UIColor clearColor];394         [self addSubview:pikV];395     }396     pikV.dataSource = self;397     pikV.delegate = self;398     399     //初始化滾動到指定時間位置400     [self scrollToDateIndexPosition];401 }402 403 #pragma mark - 執(zhí)行 KMDatePickerDelegate 委托代理協(xié)議方法，用于回調(diào)傳遞參數(shù)404 - (void)playDelegateAfterSelectedRow {405     if ([self.delegate respondsToSelector:@selector(datePicker:didSelectDate:)]) {406         [self.delegate datePicker:self407                     didSelectDate:datePickerDateScrollTo];408     }409 }410 411 #pragma mark - UIPickerViewDataSource412 - (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {413     NSInteger numberOfComponents = 0;414     switch (_datePickerStyle) {415         case KMDatePickerStyleYearMonthDayHourMinute: {416             numberOfComponents = 5;417             break;418         }419         case KMDatePickerStyleYearMonthDay: {420             numberOfComponents = 3;421             break;422         }423         case KMDatePickerStyleMonthDayHourMinute: {424             numberOfComponents = 4;425             break;426         }427         case KMDatePickerStyleHourMinute: {428             numberOfComponents = 2;429             break;430         }431     }432     return numberOfComponents;433 }434 435 - (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component {436     NSInteger numberOfRows = 0;437     switch (_datePickerStyle) {438         case KMDatePickerStyleYearMonthDayHourMinute: {439             switch (component) {440                 case 0:441                     numberOfRows = mArrYear.count;442                     break;443                 case 1:444                     numberOfRows = kMonthCountOfEveryYear;445                     break;446                 case 2:447                     numberOfRows = [self daysOfMonth];448                     break;449                 case 3:450                     numberOfRows = kHourCountOfEveryDay;451                     break;452                 case 4:453                     numberOfRows = kMinuteCountOfEveryHour;454                     break;455             }456             break;457         }458         case KMDatePickerStyleYearMonthDay: {459             switch (component) {460                 case 0:461                     numberOfRows = mArrYear.count;462                     break;463                 case 1:464                     numberOfRows = kMonthCountOfEveryYear;465                     break;466                 case 2:467                     numberOfRows = [self daysOfMonth];468                     break;469             }470             break;471         }472         case KMDatePickerStyleMonthDayHourMinute: {473             switch (component) {474                 case 0:475                     numberOfRows = kMonthCountOfEveryYear;476                     break;477                 case 1:478                     numberOfRows = [self daysOfMonth];479                     break;480                 case 2:481                     numberOfRows = kHourCountOfEveryDay;482                     break;483                 case 3:484                     numberOfRows = kMinuteCountOfEveryHour;485                     break;486             }487             break;488         }489         case KMDatePickerStyleHourMinute: {490             switch (component) {491                 case 0:492                     numberOfRows = kHourCountOfEveryDay;493                     break;494                 case 1:495                     numberOfRows = kMinuteCountOfEveryHour;496                     break;497             }498             break;499         }500     }501     return numberOfRows;502 }503 504 #pragma mark - UIPickerViewDelegate505 - (CGFloat)pickerView:(UIPickerView *)pickerView widthForComponent:(NSInteger)component {506     CGFloat width = 50.0;507     CGFloat widthOfAverage;508     509     switch (_datePickerStyle) {510         case KMDatePickerStyleYearMonthDayHourMinute: {511             //規(guī)則一：平均寬度 = （總共寬度 - 年份相比多兩個數(shù)字的寬度 - 分鐘會是右對齊導(dǎo)致需偏移寬度來顯示「分」這個文字） / 5等份512             widthOfAverage = (kWidthOfTotal - 20.0 - 25.0) / 5;513             switch (component) {514                 case 0:515                     width = widthOfAverage + 20.0;516                     //規(guī)則二：單位標(biāo)簽的 X 坐標(biāo)位置 = 列的水平居中 X 坐標(biāo) ＋ 偏移量517                     [self addUnitLabel:@"年" withPointX:width/2 + 24.0];518                     break;519                 case 1:520                     width = widthOfAverage;521                     [self addUnitLabel:@"月" withPointX:(widthOfAverage + 20.0) + width/2 + 16.0];522                     break;523                 case 2:524                     width = widthOfAverage;525                     [self addUnitLabel:@"日" withPointX:(2*widthOfAverage + 20.0) + width/2 + 22.0];526                     break;527                 case 3:528                     width = widthOfAverage;529                     [self addUnitLabel:@"時" withPointX:(3*widthOfAverage + 20.0) + width/2 + 28.0];530                     break;531                 case 4:532                     width = widthOfAverage;533                     [self addUnitLabel:@"分" withPointX:(4*widthOfAverage + 20.0) + width/2 + 32.0];534                     break;535             }536             break;537         }538         case KMDatePickerStyleYearMonthDay: {539             widthOfAverage = (kWidthOfTotal - 20.0 - 15.0) / 3;540             switch (component) {541                 case 0:542                     width = widthOfAverage + 20.0;543                     [self addUnitLabel:@"年" withPointX:width/2 + 24.0];544                     break;545                 case 1:546                     width = widthOfAverage;547                     [self addUnitLabel:@"月" withPointX:(widthOfAverage + 20.0) + width/2 + 16.0];548                     break;549                 case 2:550                     width = widthOfAverage;551                     [self addUnitLabel:@"日" withPointX:(2*widthOfAverage + 20.0) + width/2 + 22.0];552                     break;553             }554             break;555         }556         case KMDatePickerStyleMonthDayHourMinute: {557             widthOfAverage = (kWidthOfTotal - 20.0) / 4;558             switch (component) {559                 case 0:560                     width = widthOfAverage;561                     [self addUnitLabel:@"月" withPointX:width/2 + 11.0];562                     break;563                 case 1:564                     width = widthOfAverage;565                     [self addUnitLabel:@"日" withPointX:widthOfAverage + width/2 + 17.0];566                     break;567                 case 2:568                     width = widthOfAverage;569                     [self addUnitLabel:@"時" withPointX:2*widthOfAverage + width/2 + 23.0];570                     break;571                 case 3:572                     width = widthOfAverage;573                     [self addUnitLabel:@"分" withPointX:3*widthOfAverage + width/2 + 27.0];574                     break;575             }576             break;577         }578         case KMDatePickerStyleHourMinute: {579             widthOfAverage = (kWidthOfTotal - 10.0) / 2;580             switch (component) {581                 case 0:582                     width = widthOfAverage;583                     [self addUnitLabel:@"時" withPointX:width/2 + 12.0];584                     break;585                 case 1:586                     width = widthOfAverage;587                     [self addUnitLabel:@"分" withPointX:widthOfAverage + width/2 + 18.0];588                     break;589             }590             break;591         }592     }593     return width;594 }595 596 - (CGFloat)pickerView:(UIPickerView *)pickerView rowHeightForComponent:(NSInteger)component {597     return 30.0;598 }599 600 - (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)row forComponent:(NSInteger)component reusingView:(nullable UIView *)view {601     UILabel *lblCustom = (UILabel *)view;602     if (!lblCustom) {603         lblCustom = [UILabel new];604         lblCustom.textAlignment = NSTextAlignmentCenter;605         lblCustom.font = [UIFont systemFontOfSize:18.0];606     }607     608     NSString *text;609     UIColor *textColor = kRowNormalStatusColor;610     switch (_datePickerStyle) {611         case KMDatePickerStyleYearMonthDayHourMinute: {612             switch (component) {613                 case 0:614                     text = mArrYear[row];615                     break;616                 case 1:617                     text = mArrMonth[row];618                     textColor = [self monthRowTextColor:row];619                     break;620                 case 2:621                     text = mArrDay[row];622                     textColor = [self dayRowTextColor:row];623                     break;624                 case 3:625                     text = mArrHour[row];626                     textColor = [self hourRowTextColor:row];627                     break;628                 case 4:629                     text = mArrMinute[row];630                     textColor = [self minuteRowTextColor:row];631                     break;632             }633             break;634         }635         case KMDatePickerStyleYearMonthDay: {636             switch (component) {637                 case 0:638                     text = mArrYear[row];639                     break;640                 case 1:641                     text = mArrMonth[row];642                     textColor = [self monthRowTextColor:row];643                     break;644                 case 2:645                     text = mArrDay[row];646                     textColor = [self dayRowTextColor:row];647                     break;648             }649             break;650         }651         case KMDatePickerStyleMonthDayHourMinute: {652             switch (component) {653                 case 0:654                     text = mArrMonth[row];655                     textColor = [self monthRowTextColor:row];656                     break;657                 case 1:658                     text = mArrDay[row];659                     textColor = [self dayRowTextColor:row];660                     break;661                 case 2:662                     text = mArrHour[row];663                     textColor = [self hourRowTextColor:row];664                     break;665                 case 3:666                     text = mArrMinute[row];667                     textColor = [self minuteRowTextColor:row];668                     break;669             }670             break;671         }672         case KMDatePickerStyleHourMinute: {673             switch (component) {674                 case 0:675                     text = mArrHour[row];676                     textColor = [self hourRowTextColor:row];677                     break;678                 case 1:679                     text = mArrMinute[row];680                     textColor = [self minuteRowTextColor:row];681                     break;682             }683             break;684         }685     }686     lblCustom.text = text;687     lblCustom.textColor = textColor;688     return lblCustom;689 }690 691 - (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component {692     NSDate *scrollToDateTemp = _scrollToDate;693     KMDatePickerDateModel *datePickerDateScrollToTemp = datePickerDateScrollTo;694     695     switch (_datePickerStyle) {696         case KMDatePickerStyleYearMonthDayHourMinute: {697             switch (component) {698                 case 0:699                     yearIndex = row;700                     break;701                 case 1:702                     monthIndex = row;703                     break;704                 case 2:705                     dayIndex = row;706                     break;707                 case 3:708                     hourIndex = row;709                     break;710                 case 4:711                     minuteIndex = row;712                     break;713             }714             if (component == 0 || component == 1) {715                 [self reloadDayArray];716                 if (mArrDay.count-1 < dayIndex) {717                     dayIndex = mArrDay.count-1;718                 }719                 //[pickerView reloadComponent:2];720             }721             break;722         }723         case KMDatePickerStyleYearMonthDay: {724             switch (component) {725                 case 0:726                     yearIndex = row;727                     break;728                 case 1:729                     monthIndex = row;730                     break;731                 case 2:732                     dayIndex = row;733                     break;734             }735             if (component == 0 || component == 1) {736                 [self reloadDayArray];737                 if (mArrDay.count-1 < dayIndex) {738                     dayIndex = mArrDay.count-1;739                 }740                 //[pickerView reloadComponent:2];741             }742             break;743         }744         case KMDatePickerStyleMonthDayHourMinute: {745             switch (component) {746                 case 0:747                     monthIndex = row;748                     break;749                 case 1:750                     dayIndex = row;751                     break;752                 case 2:753                     hourIndex = row;754                     break;755                 case 3:756                     minuteIndex = row;757                     break;758             }759             if (component == 0) {760                 [self reloadDayArray];761                 if (mArrDay.count-1 < dayIndex) {762                     dayIndex = mArrDay.count-1;763                 }764                 //[pickerView reloadComponent:1];765             }766             break;767         }768         case KMDatePickerStyleHourMinute: {769             switch (component) {770                 case 0:771                     hourIndex = row;772                     break;773                 case 1:774                     minuteIndex = row;775                     break;776             }777             break;778         }779     }780     781     NSString *dateStr = [NSString stringWithFormat:@"%@-%@-%@ %@:%@",782                          mArrYear[yearIndex],783                          mArrMonth[monthIndex],784                          mArrDay[dayIndex],785                          mArrHour[hourIndex],786                          mArrMinute[minuteIndex]787                          ];788     _scrollToDate = [DateHelper dateFromString:dateStr withFormat:nil];789     datePickerDateScrollTo = [[KMDatePickerDateModel alloc] initWithDate:_scrollToDate];790     791     //為了區(qū)別最大最小限制范圍外行的標(biāo)簽顏色，這里需要重新加載所有組件列792     [pickerView reloadAllComponents];793     794     //如果選擇時間不在最小和最大限制時間范圍內(nèi)就回滾795     if (![self validatedDate:_scrollToDate]) {796         _scrollToDate = scrollToDateTemp;797         datePickerDateScrollTo = datePickerDateScrollToTemp;798         yearIndex = [datePickerDateScrollTo.year integerValue] - [datePickerDateMinLimited.year integerValue];799         monthIndex = [datePickerDateScrollTo.month integerValue] - 1;800         dayIndex = [datePickerDateScrollTo.day integerValue] - 1;801         hourIndex = [datePickerDateScrollTo.hour integerValue];802         minuteIndex = [datePickerDateScrollTo.minute integerValue];803         [self scrollToDateIndexPosition];804     }805 }806 807 @end