- (void)viewDidLoad {[super viewDidLoad];self.navigationController.navigationBar.translucent = NO;if ([self respondsToSelector:@selector(setAutomaticallyAdjustsScrollViewInsets:)]) {self.automaticallyAdjustsScrollViewInsets = NO;}self.view.backgroundColor = [UIColor purpleColor];self.photoArray = @[[UIImage imageNamed:@"cycle3"],[UIImage imageNamed:@"cycle4"],[UIImage imageNamed:@"cycle2"],[UIImage imageNamed:@"cycle3"],[UIImage imageNamed:@"cycle4"],].mutableCopy;[self.view addSubview:self.pickPhotoCollection];
}-(UICollectionView *)pickPhotoCollection{if (!_pickPhotoCollection) {UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc]init];layout.scrollDirection = UICollectionViewScrollDirectionVertical;_pickPhotoCollection = [[UICollectionView alloc]initWithFrame:CGRectMake(0, 200, kScreenWidth, (self.photoArray.count/4 +1)*80) collectionViewLayout:layout];_pickPhotoCollection.delegate = self;_pickPhotoCollection.dataSource = self;_pickPhotoCollection.backgroundColor = RGBACOLOR(240, 240, 240, 1);_pickPhotoCollection.showsHorizontalScrollIndicator = NO;[_pickPhotoCollection registerClass:[XJPickPhotoCollectionViewCell class] forCellWithReuseIdentifier:NSStringFromClass([XJPickPhotoCollectionViewCell class])];}return _pickPhotoCollection;
}
-(NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView{return 1;
}-(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{return self.photoArray.count + 1 > 9 ? 9 : self.photoArray.count +1;
}-(UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{XJPickPhotoCollectionViewCell *cell = (XJPickPhotoCollectionViewCell *)[collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass([XJPickPhotoCollectionViewCell class]) forIndexPath:indexPath];//判断图片的显示方式   如果不是9张图 则显示可以继续添加if (self.photoArray.count == 9) {cell.photoImageView.image = self.photoArray[indexPath.row];return cell;}if (indexPath.row == self.photoArray.count) {cell.photoImageView.image = [UIImage imageNamed:@"addPhoto"];}else{cell.photoImageView.image = self.photoArray[indexPath.row];}return cell;
}-(CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath{return CGSizeMake(WidthScale(70), WidthScale(70));
}
-(CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section{
//    return 2;return (kScreen_width - WidthScale(70)*4 - 10 )/3.;
}
//-(CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section{
//     return (kScreen_width - WidthScale(70)*4 - 10 )/3.;
//}
-(UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section{return UIEdgeInsetsMake(5, 5, 5, 5);
}