iOS自定義UIDatepicker日期選擇器檢視

阿新 • • 發佈：2019-01-19

由於專案需要,需要定製一個日期選擇器,找了半天沒找到合適的就自己寫了個demo;

自定義UIDatePicker日期選擇器檢視效果如下:

下面貼上相關程式碼：

ViewController：

- (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:@"日期選擇器" 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:@"確定", nil] show];
    
    
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


@end

DatePicker.h

#import <UIKit/UIKit.h>
@protocol DatePickerDelegate;
@interface DatePicker : UIView <UIPickerViewDataSource,UIPickerViewDelegate>
// 按照規範, 請把這些設定為外部不可見的
// 不可見的部分, 請放到.m檔案裡
@property (nonatomic, retain) UIPickerView* yearPicker;     // 年
@property (nonatomic, retain) UIPickerView* monthPicker;    // 月
@property (nonatomic, retain) UIPickerView* dayPicker;      // 日
@property (nonatomic, retain) UIPickerView* hourPicker;     // 時
@property (nonatomic, retain) UIPickerView* minutePicker;   // 分
// 對外可見的
@property (nonatomic, retain) NSDate*   date;       // 當前date
// 不可見的
@property (nonatomic, retain) UIToolbar*    toolBar;        // 工具條
@property (nonatomic, retain) UILabel*      hintsLabel;     // 提示資訊

// 不可見的
@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;
// 不可見的
@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;

/**
 * 設定預設值為當前時間
 */
-(void)resetDateToCurrentDate;


/**
 * 設定提示資訊
 */
-(void)setHintsText:(NSString*)hints;

/**
 * 點選確定按鈕 // 按照習慣,這個可木有
 */
-(IBAction)actionEnter:(id)sender;

@property (nonatomic, assign) id<DatePickerDelegate>delegate;
@end


@protocol DatePickerDelegate <NSObject>

/**
 * 點選確定後的事件
 */
@optional
-(void)DatePickerDelegateEnterActionWithDataPicker:(DatePicker*)picker;

@end

Datepicker.m

#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)
/**
 * 建立資料來源
 */
-(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];
        
        // 更新資料來源
        [self createDataSource];
        
        CGFloat pRate = MainWidth/320;
        
        // 建立 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:@"確定" 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];
        
        
        // 初始化各個檢視
        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",@"時",@"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 - 年月日閏年＝情況分析
/**
 * 建立資料來源
 */
-(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];
    
    // 時
    [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:
            // 是否為閏年
            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 - 點選確定按鈕
-(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 - 設定提示資訊
-(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

NSDate+Calendar.h

#import <Foundation/Foundation.h>

//標頭檔案部分
@interface NSDate (Calendar)

/**
 *獲取當前月的天數
 */
- (NSUInteger)YHBaseNumberOfDaysInCurrentMonth;
/**
 *獲取本月第一天
 */
- (NSDate *)YHBaseFirstDayOfCurrentMonth;
//下面這些方法用於獲取各種整形的資料
/**
 *確定某天是周幾
 */
-(int)YHBaseWeekly;
/**
 *年月日 時分秒
 */
-(int)getYear;
-(int)getMonth;
-(int)getDay;
-(int)getHour;
-(int)getMinute;
-(int)getSecond;

@end

NSDate+Calendar.m

#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

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