DSImageScrollItem * item = [[DSImageScrollItem alloc] init];
item.largeImageURL = url;
//当前图片的缩略图View在界面中不可见的话，请设置为NO。动画效果会不同。
item.isVisibleThumbView = NO;
[items addObject:item];
DSImageShowView *scrollView = [[DSImageShowView alloc] initWithItems:items type:DSImageShowTypeChat];
/**
视图展示

@param fromView 缩略图View 可为nil,
@param toContainer 推出的视图容器View
@param index 当前显示的图片在所有图片中的index
@param animated 是否需要动画
@param completion 回调
*/
[scrollView presentfromImageView:fromView toContainer:self.navigationController.view index:currentIndex animated:YES completion:nil];

//1
DSImagesData *imagesData =[[DSImagesData alloc] init];
imagesData.largeImage.url = [NSURL URLWithString:large];
...
//2
[images addObject:imagesData];

DSImageLayout *layout = [[DSImageLayout alloc] initWithImageData:images];
[layout layout];
[_layouts addObject:layout];

...
//3
[cell setLayout:_layouts[indexPath.row]];
...
//4
_imageBrowseView.layout = layout.imageLayout;

...
//5
DSImageScrollItem * item = [[DSImageScrollItem alloc] init];
item.thumbView = imgView;
item.largeImageURL = imageData.largeImage.url;
[items addObject:item];

DSImageShowView *scrollView = [[DSImageShowView alloc] initWithItems:items type:DSImageShowTypeDefault];
[scrollView presentfromImageView:fromView toContainer:self.navigationController.view index:index animated:YES completion:nil];

//展示网页图片只需实现以下方法
/**
@param images 图片的url数组 传NSString类型
@param currentImage 当前图片的url
*/
DSWebImageViewController *vc = [[DSWebImageViewController alloc] initWithImages:images currentImage:images[i]];
[self.navigationController pushViewController:vc animated:YES];