// 每一個圖片控件對象, 對一一對應 KNPhotoItems ,再將多個KNPhotoItems 對象放入數組KNPhotoItems *items = [[KNPhotoItems alloc] init];items.url = [urlArr[i] stringByReplacingOccurrencesOfString:@"thumbnail" withString:@"bmiddle"];items.sourceView = imageView;KNPhotoBrower *photoBrower = [[KNPhotoBrower alloc] init];photoBrower.itemsArr = [_itemsArray copy];// KNPhotoItems對象的數組photoBrower.currentIndex = tap.view.tag;// 當前點擊的哪個圖片photoBrower.actionSheetArr = [self.actionSheetArray mutableCopy];//設置 ActionSheet的選項[photoBrower present];// 顯示

/* PhotoBrower 即將消失 */- (void)photoBrowerWillDismiss;/* PhotoBrower 右上角按鈕的點擊 */- (void)photoBrowerRightOperationActionWithIndex:(NSInteger)index;/* PhotoBrower 保存圖片是否成功 */- (void)photoBrowerWriteToSavedPhotosAlbumStatus:(BOOL)success;

/** * 是否需要右上角的按鈕. Default is YES; */@property (nonatomic, assign) BOOL isNeedRightTopBtn;/** * 是否需要 頂部 1 / 9 控件 ,Default is YES */@property (nonatomic, assign) BOOL isNeedPageNumView;/** * 是否需要 底部 UIPageControl, Default is NO */@property (nonatomic, assign) BOOL isNeedPageControl;/** * 存放 ActionSheet 彈出框的內容 :NSString類型 */@property (nonatomic, strong) NSMutableArray *actionSheetArr;

#pragma mark - 右上角 按鈕的點擊- (void)operationBtnIBAction{ __weak typeof(self) weakSelf = self; if(_actionSheetArr.count != 0){ // 如果是自定義的 選項  KNActionSheet *actionSheet = [[KNActionSheet alloc] initWithCancelBtnTitle:nil destructiveButtonTitle:nil otherBtnTitlesArr:[_actionSheetArr copy] actionBlock:^(NSInteger buttonIndex) {   // 讓代理知道 是哪個按鈕被點擊了   if([weakSelf.delegate respondsToSelector:@selector(photoBrowerRightOperationActionWithIndex:)]){    [weakSelf.delegate photoBrowerRightOperationActionWithIndex:buttonIndex];   }#warning 如果傳入的 ActionSheetArr 有下載圖片這一選項. 則在這里調用和下面一樣的方法 switch.....,如果沒有下載圖片,則通過代理方法去實現... 目前不支持刪除功能  }];  [actionSheet show]; }else{  KNActionSheet *actionSheet = [[KNActionSheet alloc] initWithCancelBtnTitle:nil destructiveButtonTitle:nil otherBtnTitlesArr:@[@"保存圖片",@"轉發微博",@"贊"] actionBlock:^(NSInteger buttonIndex) {   // 讓代理知道 是哪個按鈕被點擊了   if([weakSelf.delegate respondsToSelector:@selector(photoBrowerRightOperationActionWithIndex:)]){    [weakSelf.delegate photoBrowerRightOperationActionWithIndex:buttonIndex];   }   switch (buttonIndex) {    case 0:{     SDWebImageManager *mgr = [SDWebImageManager sharedManager];     KNPhotoItems *items = _itemsArr[_currentIndex];     if(![mgr diskImageExistsForURL:[NSURL URLWithString:items.url]]){      [[KNToast shareToast] initWithText:@"圖片需要下載完成"];      return ;     }else{      UIImage *image = [[mgr imageCache] imageFromDiskCacheForKey:items.url];      dispatch_async(dispatch_get_main_queue(), ^{       UIImageWriteToSavedPhotosAlbum(image, self, @selector(image:didFinishSavingWithError:contextInfo:), NULL);      });     }    }    default:     break;   }  }];  [actionSheet show]; }}