取得现在所有的是周几

- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view, typically from a nib.        NSLog(@"现在所在的周:%@",[self getWeekFromLocal]);    }//活的现在的周的日期，格式:Wednesday-(NSString*)getWeekFromLocal{    NSDate *  senddate=[NSDate date];    NSDateFormatter  *dateformatter=[[NSDateFormatter alloc] init];    [dateformatter setDateFormat:@"EEEE"];    NSString *  locationString=[dateformatter stringFromDate:senddate];    NSLog(@"locationString:%@",locationString);    return locationString;}