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直接上代码:

//获取星期几- (NSString*)weekdayStringFromDate:(NSDate*)inputDate {        NSArray *weekdays = [NSArray arrayWithObjects: [NSNull null], @"星期日", @"周一", @"周二", @"周三", @"周四", @"周五", @"周六", nil];        NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];        NSTimeZone *timeZone = [[NSTimeZone alloc] initWithName:@"Asia/Shanghai"];        [calendar setTimeZone: timeZone];        NSCalendarUnit calendarUnit = NSWeekdayCalendarUnit;        NSDateComponents *theComponents = [calendar components:calendarUnit fromDate:inputDate];        return [weekdays objectAtIndex:theComponents.weekday];}

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