iOS 时间选择器 支持月 日

直接贴代码吧，有用不到的地方 自己处理删除

@interface CanlendarViewController ()<UIPickerViewDelegate,UIPickerViewDataSource>

{

    UIButton * selectedBtn;

    UIView * month_top;

    UIView * day_top;

    UILabel * month_Lb;

    UIButton * dayStart_btn;

    UIButton * dayEnd_btn;

    UIPickerView * pickerView_month;

    UIPickerView * pickerView_day;

    NSMutableArray * years_Muarr;

    NSMutableArray * months_MuArr;

    NSMutableArray * days_Arr;

    NSInteger minYear;//最早时间点年

    NSInteger minMonth;//最早时间点月

    NSInteger minDay;//最早时间点日

    NSInteger currentYear;//系统当前年

    NSInteger currentMonth;//系统当前月

    NSInteger currentDay;//系统当前日

    NSString * selectedYear;//当前选中的年

    NSString * selectedMonth;//当前选中的月

    NSString * selectedDay;//当前选中的日

    NSString * selectedYear_Month;//当前选中的年_月选择

}

@end

@implementation CanlendarViewController

- (void)rightItemButtonAction:(UIButton *)button

{

    NSString * blockStr = @"";

    if (selectedBtn.selected) {

        //按日

        NSDateFormatter * formatter = [[NSDateFormatteralloc]init];

        [formatter setDateFormat:@"yyyy.MM.dd"];

        NSDate * startDate = [formatter dateFromString:dayStart_btn.titleLabel.text];

        NSDate * endDate = [formatter dateFromString:dayEnd_btn.titleLabel.text];

        NSTimeInterval startTimeInter = [startDatetimeIntervalSince1970];

        NSTimeInterval endTimeInter = [endDatetimeIntervalSince1970];

        if (startTimeInter > endTimeInter) {

            blockStr = [NSStringstringWithFormat:@"%@-%@",dayEnd_btn.titleLabel.text,dayStart_btn.titleLabel.text];

        }else{

            blockStr = [NSStringstringWithFormat:@"%@-%@",dayStart_btn.titleLabel.text,dayEnd_btn.titleLabel.text];

        }

    }else{

        //按月

        blockStr = month_Lb.text;

    }

    if (self.SelectedBlock) {

        self.SelectedBlock(blockStr);

    }

    [self.navigationControllerpopViewControllerAnimated:YES];

}

- (void)viewDidLoad {

    [superviewDidLoad];

    minYear = 2016;

    minMonth = 1;

    minDay = 1;

    [selfcurrentYearAndMonthAndDay];

    [selfsetRightItemWithFrame:CGRectMake(0,0, 30,40) withImageName:nilwithTitle:@"完成"];

    [selfsetLeftItemWithFrame:CGRectMake(0,0, 30,40) withImageName:nilwithTitle:@"取消"];

    years_Muarr = [NSMutableArrayarrayWithCapacity:0];

    months_MuArr = [NSMutableArrayarrayWithCapacity:0];

    days_Arr = [NSMutableArrayarrayWithCapacity:0];

    [selfcalculationYears];

    [selfcalculationMonthsAndDays];

    self.title =@"选择时间";

    [self setup];

    dayStart_btn.selected =YES;//默认开启起始日选中

}

- (void)calculationYears

{

    if (minYear ==currentYear) {

        [years_MuarraddObject:[NSStringstringWithFormat:@"%ld年",currentYear]];

    }else{

        for (int i = (int)minYear; i <= (int)currentYear; i ++) {

            [years_MuarraddObject:[NSStringstringWithFormat:@"%d年",i]];

        }

    }

}

- (void)currentYearAndMonthAndDay

{

    NSDate * nowDate = [NSDatedate];

    NSDateFormatter * formatter = [[NSDateFormatteralloc]init];

    [formatter setDateFormat:@"yyyy.MM.dd"];

    NSString * canlendarStr = [formatter stringFromDate:nowDate];

    NSArray * canlendarArr = [canlendarStr componentsSeparatedByString:@"."];

    currentYear = [canlendarArr[0]integerValue];

    currentMonth = [canlendarArr[1]integerValue];

    currentDay = [canlendarArr[2]integerValue];

    selectedYear_Month = canlendarArr[0];

    selectedYear = canlendarArr[0];

    selectedMonth = canlendarArr[1];

    selectedDay = canlendarArr[2];

}

- (void)setup

{

    selectedBtn = [UIButtonbuttonWithType:UIButtonTypeCustom];

    selectedBtn.frame =CGRectMake(15,30.5, 107, 27);

    [selectedBtnsetTitle:@"按月选择" forState:UIControlStateNormal];

    [selectedBtnsetTitle:@"按日选择" forState:UIControlStateSelected];

    [selectedBtnsetImage:[UIImageimageNamed:@"changeBtn_canlendar"]forState:UIControlStateNormal];

    [selectedBtnsetImage:[UIImageimageNamed:@"changeBtn_canlendar"]forState:UIControlStateSelected];

    [selectedBtnsetTitleColor:UIColorWithRGBA(51,51, 51) forState:UIControlStateNormal];

    [selectedBtnsetTitleColor:UIColorWithRGBA(51,51, 51) forState:UIControlStateSelected];

    [selectedBtn.titleLabelsetFont:systemFont(13)];

    [selectedBtnsetImageEdgeInsets:UIEdgeInsetsMake(7,107 - 17 - 15,7, 17)];

    [selectedBtnsetTitleEdgeInsets:UIEdgeInsetsMake(7, -40,  7, 0)];

    selectedBtn.layer.cornerRadius =13.5;

    selectedBtn.layer.borderColor =UIColorWithRGBA(209,209, 209).CGColor;

    selectedBtn.layer.borderWidth =1.0f;

    [selectedBtnaddTarget:selfaction:@selector(selectedType:)forControlEvents:UIControlEventTouchUpInside];

    [self.viewaddSubview:selectedBtn];

    

    [selfcreatDataPickerView];

}

- (void)creatDataPickerView

{

    if (!month_top) {

        month_top = [[UIViewalloc]initWithFrame:CGRectMake(15,97, SCREEN_WIDTH - 30, 30)];

        month_top.backgroundColor = [UIColorclearColor];

        [self.viewaddSubview:month_top];

        month_Lb = [UILabelcreatLabelWithtext:UIColorWithRGBA(51,51, 51) font:systemFont(16)text:[NSStringstringWithFormat:@"%ld.%02ld",currentYear,currentMonth]];

        month_Lb.center =CGPointMake(month_top.center.x,15);

        UIView * lineV = [[UIViewalloc]initWithFrame:CGRectMake(0,29.5, month_top.width,0.5)];

        lineV.backgroundColor = UIColorWithRGBA(51, 51, 51);

        [month_topaddSubview:month_Lb];

        [month_top addSubview:lineV];

    }

    if (!day_top) {

        day_top = [[UIViewalloc]initWithFrame:CGRectMake(15,97, SCREEN_WIDTH - 30, 30)];

        day_top.backgroundColor = [UIColorclearColor];

        [self.viewaddSubview:day_top];

        NSString * currentCanlendarStr = [NSStringstringWithFormat:@"%ld.%02ld.%02ld",currentYear,currentMonth,currentDay];

        dayStart_btn = [UIButtonbuttonWithType:UIButtonTypeCustom];

        dayStart_btn.frame =CGRectMake(0,0, day_top.width/2 -17.5, day_top.height);

        [dayStart_btnsetTitleColor:UIColorWithRGBA(209,209, 209) forState:UIControlStateNormal];

        [dayStart_btnsetTitleColor:UIColorWithRGBA(67,212, 183) forState:UIControlStateSelected];

        dayStart_btn.titleLabel.font =systemFont(16);

        [dayStart_btnaddTarget:selfaction:@selector(selectDayCanlendar:)forControlEvents:UIControlEventTouchUpInside];

        [dayStart_btnsetTitle:currentCanlendarStr forState:UIControlStateNormal];

        [dayStart_btnsetTitle:currentCanlendarStr forState:UIControlStateSelected];

        [day_top addSubview:dayStart_btn];

        dayEnd_btn = [UIButtonbuttonWithType:UIButtonTypeCustom];

        dayEnd_btn.frame =CGRectMake(day_top.width/2 +17.5, 0, day_top.width/2 -17.5, day_top.height);

        [dayEnd_btnsetTitleColor:UIColorWithRGBA(209,209, 209) forState:UIControlStateNormal];

        [dayEnd_btnsetTitleColor:UIColorWithRGBA(67,212, 183) forState:UIControlStateSelected];

        dayEnd_btn.titleLabel.font =systemFont(16);

        [dayEnd_btnaddTarget:selfaction:@selector(selectDayCanlendar:)forControlEvents:UIControlEventTouchUpInside];

        [dayEnd_btnsetTitle:currentCanlendarStr forState:UIControlStateNormal];

        [dayEnd_btnsetTitle:currentCanlendarStr forState:UIControlStateSelected];

        [day_top addSubview:dayEnd_btn];

        UIView * lineV_left = [[UIViewalloc]initWithFrame:CGRectMake(0,29.5, day_top.width/2 -17.5, 0.5)];

        lineV_left.backgroundColor = UIColorWithRGBA(51, 51, 51);

        UIView * lineV_right = [[UIViewalloc]initWithFrame:CGRectMake(day_top.width/2 + 17.5, 29.5,day_top.width/2 -17.5, 0.5)];

        lineV_right.backgroundColor = UIColorWithRGBA(51, 51, 51);

        UILabel * label = [UILabelcreatLabelWithtext:UIColorWithRGBA(51,51, 51) font:systemFont(18)text:@"至"];

        label.center = CGPointMake(day_top.width/2,15);

        [day_top addSubview:dayStart_btn];

        [day_top addSubview:dayEnd_btn];

        [day_top addSubview:lineV_left];

        [day_top addSubview:lineV_right];

        [day_top addSubview:label];

        day_top.hidden =YES;

    }

    if (!pickerView_month) {

        pickerView_month = [[UIPickerViewalloc]initWithFrame:CGRectMake(0,month_top.bottom +37, SCREEN_WIDTH, 230.5)];

        pickerView_month.backgroundColor = [UIColorclearColor];

        pickerView_month.delegate =self;

        pickerView_month.dataSource =self;

        pickerView_month.showsSelectionIndicator =YES;

        [self.viewaddSubview:pickerView_month];

        [pickerView_monthselectRow:years_Muarr.count -1inComponent:0animated:YES];

        [pickerView_monthselectRow:months_MuArr.count -1inComponent:1animated:YES];

    }

    if (!pickerView_day) {

        pickerView_day = [[UIPickerViewalloc]initWithFrame:CGRectMake(0,day_top.bottom +37, SCREEN_WIDTH, 230.5)];

        pickerView_day.backgroundColor = [UIColorclearColor];

        pickerView_day.delegate =self;

        pickerView_day.dataSource =self;

        pickerView_day.showsSelectionIndicator =YES;

        pickerView_day.hidden =YES;

        [self.viewaddSubview:pickerView_day];

        [pickerView_dayselectRow:years_Muarr.count -1 inComponent:0animated:YES];

        [pickerView_dayselectRow:months_MuArr.count -1 inComponent:1animated:YES];

        [pickerView_dayselectRow:days_Arr.count -1 inComponent:2animated:YES];

    }

}

- (void)selectedType:(UIButton *)btn

{

    btn.selected = !btn.selected;

    if (btn.selected) {

        //日

        day_top.hidden =NO;

        month_top.hidden =YES;

        pickerView_month.hidden =YES;

        pickerView_day.hidden =NO;

    }else{

        //月

        day_top.hidden =YES;

        month_top.hidden =NO;

        pickerView_month.hidden =NO;

        pickerView_day.hidden =YES;

    }

}

- (void)selectDayCanlendar:(UIButton *)btn

{

    [btn setTitleColor:UIColorWithRGBA(51,51, 51) forState:UIControlStateNormal];

    if ([btn isEqual:dayStart_btn]) {

        dayStart_btn.selected =YES;

        dayEnd_btn.selected =NO;

    }else{

        dayStart_btn.selected =NO;

        dayEnd_btn.selected =YES;

    }

}

- (void)calculationMonthsAndDays

{

    NSDateFormatter * formatter = [[NSDateFormatteralloc]init];

    [formatter setDateFormat:@"yyyy.MM"];

    //获取date

    NSDate * date = [formatterdateFromString:[NSStringstringWithFormat:@"%@.%@",selectedYear,selectedMonth]];

    //日历

    NSCalendar * calendar = [[NSCalendaralloc]initWithCalendarIdentifier:NSCalendarIdentifierGregorian];

    NSRange range = [calendarrangeOfUnit:NSCalendarUnitDayinUnit:NSCalendarUnitMonthforDate:date];

    NSInteger days = range.length;

    [months_MuArrremoveAllObjects];

    NSInteger months = 12;

    if ([selectedYearintegerValue] ==currentYear) {

        months = currentMonth;

        if ([selectedMonthintegerValue] >=currentMonth) {

            days = currentDay;

        }

    }

    int num = 0;

    if ([selectedYearintegerValue] ==minYear) {

        num = (int)minMonth -1;

    }

    for (int i = num; i < months; i++) {

        [months_MuArraddObject:[NSStringstringWithFormat:@"%d月",i+1]];

    }

    [days_ArrremoveAllObjects];

    for (int i =0; i < days; i++) {

        [days_ArrinsertObject:[NSStringstringWithFormat:@"%d日",i+1]atIndex:i];

    }

    if (pickerView_day) {

        [pickerView_dayreloadComponent:1];

        [pickerView_dayreloadComponent:2];

    }

}

- (void)calculationMonthsforMonth

{

    NSDateFormatter * formatter = [[NSDateFormatteralloc]init];

    [formatter setDateFormat:@"yyyy"];

    //获取date

    NSDate * date = [formatterdateFromString:[NSStringstringWithFormat:@"%@",selectedYear_Month]];

    //日历

    NSCalendar * calendar = [[NSCalendaralloc]initWithCalendarIdentifier:NSCalendarIdentifierGregorian];

    NSRange range = [calendarrangeOfUnit:NSCalendarUnitDayinUnit:NSCalendarUnitMonthforDate:date];

    NSInteger days = range.length;

    [months_MuArrremoveAllObjects];

    NSInteger months = 12;

    if ([selectedYear_MonthintegerValue] ==currentYear) {

        months = currentMonth;

    }

    int num = 0;

    if ([selectedYear_MonthintegerValue] ==minYear) {

        num = (int)minMonth -1;

    }

    for (int i = num; i < months; i++) {

        [months_MuArraddObject:[NSStringstringWithFormat:@"%d月",i+1]];

    }

    if (pickerView_month) {

        [pickerView_monthreloadComponent:1];

    }

}

#pragma -----------------UIPickerViewDelegate,UIPickerDataSource----------

-(NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView

{

    if ([pickerView isEqual:pickerView_month]) {

        return 2;

    }

    return 3;

}

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

{

    if (component == 0) {

        returnyears_Muarr.count;

    }else if (component ==1) {

        returnmonths_MuArr.count;

    }else{

        return days_Arr.count;

    }

}

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

{

    return 30.0f;

}

-(NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component

{

    if (component == 0) {

        return years_Muarr[row];

    }else if (component ==1) {

        return months_MuArr[row];

    }else{

        return days_Arr[row];

    }

    return nil;

}

- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component

{

    if ([pickerView isEqual:pickerView_month]) {

        if (component == 0) {

            selectedYear_Month = [years_Muarr[row]substringToIndex:4];

            [selfcalculationMonthsforMonth];

            [selfcalculationCanlendarWithYear:years_Muarr[row]Month:months_MuArr[[pickerViewselectedRowInComponent:1]]Day:@""pickerView:pickerView_month];

        }else if (component ==1) {

            [selfcalculationCanlendarWithYear:years_Muarr[[pickerViewselectedRowInComponent:0]]Month:months_MuArr[row]Day:@""pickerView:pickerView_month];

        }

    }else{

        if (component == 0) {

            selectedYear = [years_Muarr[row]substringToIndex:4];

            if ([months_MuArr[[pickerViewselectedRowInComponent:1]]length] == 2) {

                selectedMonth = [NSStringstringWithFormat:@"%02d",[[months_MuArr[[pickerViewselectedRowInComponent:1]]substringToIndex:1]intValue]];

            }else{

                selectedMonth = [months_MuArr[[pickerViewselectedRowInComponent:1]]substringToIndex:2];

            }

            [selfcalculationMonthsAndDays];

            [selfcalculationCanlendarWithYear:years_Muarr[row]Month:months_MuArr[[pickerViewselectedRowInComponent:1]]Day:days_Arr[[pickerViewselectedRowInComponent:2]]pickerView:pickerView_day];

        }else if (component ==1) {

            if ([months_MuArr[row]length] == 2) {

                selectedMonth = [NSStringstringWithFormat:@"%02d",[[months_MuArr[row]substringToIndex:1]intValue]];

            }else{

                selectedMonth = [months_MuArr[row]substringToIndex:2];

            }

            [selfcalculationMonthsAndDays];

            [selfcalculationCanlendarWithYear:years_Muarr[[pickerViewselectedRowInComponent:0]]Month:months_MuArr[row]Day:days_Arr[[pickerViewselectedRowInComponent:2]]pickerView:pickerView_day];

        }else{

            [selfcalculationCanlendarWithYear:years_Muarr[[pickerViewselectedRowInComponent:0]]Month:months_MuArr[[pickerViewselectedRowInComponent:1]]Day:days_Arr[row]pickerView:pickerView_day];

        }

    }

}

- (void)calculationCanlendarWithYear:(NSString *)yearStr Month:(NSString *)monthStr Day:(NSString *)dayStr pickerView:(UIPickerView *)pickerView

{

    if ([pickerView isEqual:pickerView_month]) {

        if (yearStr.length >0) {

            month_Lb.text = [month_Lb.textstringByReplacingCharactersInRange:NSMakeRange(0,4) withString:[yearStrsubstringToIndex:4]];

        }

        if (monthStr.length >0) {

            if (monthStr.length ==2) {

                monthStr = [NSStringstringWithFormat:@"%02d",[[monthStrsubstringToIndex:1]intValue]];

            }else{

                monthStr = [monthStr substringToIndex:2];

            }

            month_Lb.text = [month_Lb.textstringByReplacingCharactersInRange:NSMakeRange(5,2) withString:monthStr];

        }

        [month_Lb sizeToFit];

        month_Lb.center =CGPointMake(month_top.center.x,month_Lb.center.y);

    }else{

        if (dayStart_btn.selected) {

            if (yearStr.length >0) {

                NSString * textStr = [dayStart_btn.titleLabel.textstringByReplacingCharactersInRange:NSMakeRange(0,4) withString:[yearStrsubstringToIndex:4]];

                [dayStart_btnsetTitle:textStr forState:UIControlStateSelected];

                [dayStart_btnsetTitle:textStr forState:UIControlStateNormal];

            }

            if (monthStr.length >0) {

                if (monthStr.length ==2) {

                    monthStr = [NSString stringWithFormat:@"%02d",[[monthStr substringToIndex:1] intValue]];

                }else{

                    monthStr = [monthStr substringToIndex:2];

                }

                NSString * textStr = [dayStart_btn.titleLabel.textstringByReplacingCharactersInRange:NSMakeRange(5,2) withString:monthStr];

                [dayStart_btnsetTitle:textStr forState:UIControlStateSelected];

                [dayStart_btnsetTitle:textStr forState:UIControlStateNormal];

            }

            if (dayStr.length >0) {

                if (dayStr.length ==2) {

                    dayStr = [NSStringstringWithFormat:@"%02d",[[dayStrsubstringToIndex:1]intValue]];

                }else{

                    dayStr = [dayStr substringToIndex:2];

                }

                NSString * textStr = [dayStart_btn.titleLabel.textstringByReplacingCharactersInRange:NSMakeRange(8,2) withString:dayStr];

                [dayStart_btnsetTitle:textStr forState:UIControlStateSelected];

                [dayStart_btnsetTitle:textStr forState:UIControlStateNormal];

            }

        }else{

            if (yearStr.length >0) {

                NSString * textStr = [dayEnd_btn.titleLabel.textstringByReplacingCharactersInRange:NSMakeRange(0,4) withString:[yearStrsubstringToIndex:4]];

                [dayEnd_btnsetTitle:textStr forState:UIControlStateSelected];

                [dayEnd_btnsetTitle:textStr forState:UIControlStateNormal];

            }

            if (monthStr.length >0) {

                if (monthStr.length ==2) {

                    monthStr = [NSString stringWithFormat:@"%02d",[[monthStr substringToIndex:1] intValue]];

                }else{

                    monthStr = [monthStr substringToIndex:2];

                }

                NSString * textStr = [dayEnd_btn.titleLabel.textstringByReplacingCharactersInRange:NSMakeRange(5,2) withString:monthStr];

                [dayEnd_btnsetTitle:textStr forState:UIControlStateSelected];

                [dayEnd_btnsetTitle:textStr forState:UIControlStateNormal];

            }

            if (dayStr.length >0) {

                if (dayStr.length ==2) {

                    dayStr = [NSStringstringWithFormat:@"%02d",[[dayStrsubstringToIndex:1]intValue]];

                }else{

                    dayStr = [dayStr substringToIndex:2];

                }

                NSString * textStr = [dayEnd_btn.titleLabel.textstringByReplacingCharactersInRange:NSMakeRange(8,2) withString:dayStr];

                [dayEnd_btnsetTitle:textStr forState:UIControlStateSelected];

                [dayEnd_btnsetTitle:textStr forState:UIControlStateNormal];

            }

        }

    }

}

- (void)didReceiveMemoryWarning {

    [superdidReceiveMemoryWarning];

}

@end