转换为万单位iOS

+ (NSString *)subscribeCountUnitChange:(NSInteger)count {     if (count/10000 == 0) {         return [NSString stringWithFormat:@"%ld",count];     }else{         NSInteger tenThouand = count/10000;         NSInteger thousand = count%10000/1000;         return [NSString stringWithFormat:@"%ld.%ld万",tenThouand,thousand>=5?thousand+1:thousand];     }     return @"0"; }