iOS 每天提醒和每周提醒

//每天10点更新提示

-(void)alertByDay{

    NSDate *date = [NSDate date];

    NSCalendar *calendar = [NSCalendar currentCalendar];

    NSDateComponents *comp = [calendar components:(NSHourCalendarUnit | NSMinuteCalendarUnit |NSSecondCalendarUnit) fromDate:date];

    int hour = [comp hour];

    int min = [comp minute];

    int sec = [comp second];

    

    long int delayTime;

    

    if (hour < 10){//时间9点没到

        delayTime = (21-hour) * 60 * 60 - min * 60 - sec;

    }else {

        delayTime = (24 -hour+10) * 60 * 60 - min * 60 - sec + 24 * 60 * 60;

    }

    NSDate *dates = [date dateByAddingTimeInterval:delayTime];

    UILocalNotification *localNoti = [[UILocalNotification alloc]init];

    localNoti.alertAction = @"查看";

    localNoti.alertBody = [NSString stringWithString:@"去看看软件是否更新"];

    

    localNoti.fireDate=dates;

    localNoti.repeatInterval=NSDayCalendarUnit;

    

    [[UIApplication sharedApplication] scheduleLocalNotification:localNoti];

    [localNoti release];

}

//NSWeekdayCalendarUnit 1 到7 1表示周日

-(void)alertByWeek{

    

    NSDate *date = [NSDate date];

    NSCalendar *calendar = [NSCalendar currentCalendar];

    NSDateComponents *comp = [calendar components:(NSWeekdayCalendarUnit| NSHourCalendarUnit |NSMinuteCalendarUnit | NSSecondCalendarUnit) fromDate:date];

    int weekDay=[comp weekday];

    int hour = [comp hour];

    int min = [comp minute];

    int sec = [comp second];

    

    long int delayTime;

    BOOL figure=NO;

    delayTime = (24 -hour+10) * 60 * 60 - min * 60 - sec + 24 * 60 * 60;

    if (weekDay==1) {//如果是周日

        if (hour<=10) {//时间没到十点

            delayTime = (21-hour) * 60 * 60 - min * 60 - sec;

            figure=YES;

        }        

    }

    if (!figure) {

        delayTime=(weekDay-1)*24*60*60+hour*60*60+min*60+sec;

    }

    //用一周时间 -已经度过时间+将要发生时间

    delayTime=7*24*60*60-delayTime+10*60*60;

    NSDate *dates = [date dateByAddingTimeInterval:delayTime];

    UILocalNotification *localNoti = [[UILocalNotification alloc]init];

    localNoti.alertAction = @"查看";

    localNoti.alertBody = [NSString stringWithString:@"去看看软件是否更新"];

    localNoti.fireDate=dates;

    localNoti.repeatInterval=NSWeekCalendarUnit;

    [[UIApplication sharedApplication] scheduleLocalNotification:localNoti];

    [localNoti release];

}