领取招财币，第二天，

//点击（button）领取的时间，

-(void)receiveCoin

{

    self.coinStateLabel.text = @"招财币已领取";

    self.coinBtn.userInteractionEnabled = NO;

    NSDate *now = [NSDate new];

    unsigned units  = NSMonthCalendarUnit|NSDayCalendarUnit|NSYearCalendarUnit;

    NSCalendar *mCal = [[NSCalendaralloc] initWithCalendarIdentifier:NSGregorianCalendar];

    NSDateComponents *mComp = [mCal components:units fromDate:now];

    NSDate *mDate = [mCal dateFromComponents:mComp];

    NSTimeInterval timeInterval = [mDate timeIntervalSince1970];

    NSUserDefaults *dateDefault = [NSUserDefaultsstandardUserDefaults];

    [dateDefault setValue:[NSString stringWithFormat:@"%f",timeInterval] forKey:@"dateFlag"];

 }

 

 

//进入页面的时间

-(BOOL)isReceiveCoin

{

    NSDate *now = [NSDate new];

    unsigned units  = NSMonthCalendarUnit|NSDayCalendarUnit|NSYearCalendarUnit;

    NSCalendar *mCal = [[NSCalendaralloc] initWithCalendarIdentifier:NSGregorianCalendar];

    NSDateComponents *mComp = [mCal components:units fromDate:now];

    NSDate *mDate = [mCal dateFromComponents:mComp];

    NSTimeInterval timeInterval = [mDate timeIntervalSince1970];

    

    NSUserDefaults *dateDefault = [NSUserDefaultsstandardUserDefaults];

    float mInterval = [[dateDefault valueForKey:@"dateFlag"]floatValue];

    

    if(timeInterval - mInterval >= 24 * 60 * 60 - 1){

        return NO;

    }else{

        return YES;

    }

 

}