JSJP_Student/jiaPei/DateView.m

#import "DateView.h"

@implementation DateView

-(instancetype)init
{
    self = [super initWithFrame:kFrame];
    if (self) {
        [self setBackgroundColor:[UIColor colorWithWhite:.01 alpha:.3]];
        CGFloat x,y,w,h,bd;
        
        x = bd = 10;
        y = 0;
        w = kSize.width - bd*2;
        h = 300;
        
        UIView* aView;
        aView = [[UIView alloc] initWithFrame:CGRectMake(x, y, w, h)];
        [aView setBackgroundColor:backGroundColor];
        aView.center = CGPointMake(kSize.width/2.0, kSize.height/2.0);
        [self addSubview:aView];
        
        UILabel* label;
        x = bd;
        h = 40;
        w = aView.width - bd*2;
        label = [[UILabel alloc] initWithFrame:CGRectMake(x, y, w , h)];
        [label setText:@"请选择时间"];
        [label setTextAlignment:NSTextAlignmentCenter];
        [aView addSubview:label];
        
        UIView* line;
        y += h;
        h = 3;
        x = bd;
        line = [[UIView alloc] initWithFrame:CGRectMake(x, y, w, h)];
        [aView addSubview:line];
        [line setBackgroundColor:RQ_MAIN_COLOR];
        
        y += h;
        h = 200;
        picker = [[UIDatePicker alloc] initWithFrame:CGRectMake(x, y, w , h)];
        [picker setDatePickerMode:UIDatePickerModeDate];
		if (@available(iOS 13.4, *)) {
			picker.preferredDatePickerStyle = UIDatePickerStyleWheels;
		} else {
			// Fallback on earlier versions
		}
        [aView addSubview:picker];
        
        
        x = 60;
        y += h + bd;
        w = (kSize.width- bd*2 - 60*3)/2.0;
        h = aView.height - y - bd;
        
        UIButton* btn;
        btn = [[UIButton alloc] initWithFrame:CGRectMake(x, y, w, h)];
        [btn setTitle:@"取消" forState:UIControlStateNormal];
        [btn setBackgroundColor:RQ_MAIN_COLOR];
        [btn addTarget:self action:@selector(removeFromSuperview) forControlEvents:UIControlEventTouchUpInside];
        [aView addSubview:btn];
        btn.layer.cornerRadius = btn.height*.5;
        btn.layer.masksToBounds = YES;
        
        x += w+60;
        btn = [[UIButton alloc] initWithFrame:CGRectMake(x, y, w, h)];
        [btn setTitle:@"确定" forState:UIControlStateNormal];
        [btn addTarget:self action:@selector(yesClick) forControlEvents:UIControlEventTouchUpInside];
        [btn setBackgroundColor:RQ_MAIN_COLOR];
        [aView addSubview:btn];
        btn.layer.cornerRadius = btn.height*.5;
        btn.layer.masksToBounds = YES;
    }
    return self;
}

-(void)setStyle:(int)style
{
    _style = style;
    NSDateFormatter  * formatter = [[ NSDateFormatter   alloc ] init ];
    NSString  * mindateStr ;
    NSString  * maxdateStr;
    if (0 == _style || 2 == _style) {
        [picker setDatePickerMode:UIDatePickerModeDate];
        [formatter  setDateFormat : @"yyyy"];
        int year = [formatter stringFromDate:[NSDate date]].intValue;
        [formatter  setDateFormat : @"yyyy-MM-dd"];
        mindateStr =  [NSString stringWithFormat:@"%d-01-01",year];
        maxdateStr =  [NSString stringWithFormat:@"%d-12-31",year + 2];
    }
    if (1 == _style) {
        [picker setDatePickerMode:UIDatePickerModeTime];
    }
    
    if (3 == _style) {
        [picker setDatePickerMode:UIDatePickerModeTime];
        //这个是设置分钟轮上面时间间隔的
        picker.minuteInterval = 30;
    }
    
    NSDate  * minDate = [formatter  dateFromString :mindateStr];
    NSDate  * maxDate = [formatter  dateFromString :maxdateStr];
    
    if (maxDate) {
        picker.minimumDate = min;
        picker.maximumDate = max;
    }else{
        picker.minimumDate = minDate;
        picker.maximumDate = maxDate;
    }
}

-(void)setMaxDate:(NSDate *)maxDate MinDate:(NSDate *)minDate
{
    max = maxDate;
    min = minDate;
}

-(void)yesClick
{
    if (complete) {
        NSDateFormatter* fm = [NSDateFormatter new];
        fm.locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"];
        if (0 == _style) {
            [fm setDateFormat:@"yyyy-MM-dd"];
        }else if (1 == _style || 3 == _style){
            [fm setDateFormat:@"HH:mm"];
        }else if (2 == _style) {
            [fm setDateFormat:@"EEE yyyy-MM-dd"];
        }
        complete([fm stringFromDate:picker.date]);
        [self removeFromSuperview];
    }
}

-(void)showWithComplete:(MyBlockType)comp
{
    complete = comp;
    [[UIApplication sharedApplication].keyWindow addSubview:self];
}

@end