获得当前是星期几

+(NSString *)getWeekday

{

    NSDate *date = [NSDate date];

    NSDateComponents *componets = [[NSCalendar autoupdatingCurrentCalendar] components:NSWeekdayCalendarUnit fromDate:date];

    NSString *weekday = [self getWeekdayWithNumber:[componets weekday]];

    return weekday;

}

 

//1代表星期日、如此类推

+(NSString *)getWeekdayWithNumber:(int)number

{

    switch (number) {

        case 1:

            return @"星期日";

            break;

        case 2:

            return @"星期一";

            break;

        case 3:

            return @"星期二";

            break;

        case 4:

            return @"星期三";

            break;

        case 5:

            return @"星期四";

            break;

        case 6:

            return @"星期五";

            break;

        case 7:

            return @"星期六";

            break;

        default:

            return @"";

            break;

    }

}