修改CollectionView回调中的代码书写错误

TZImagePickerController/TZImagePickerController/TZPhotoPickerController.m

@@ -467,7 +467,7 @@ static CGFloat itemMargin = 5;
 - (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
     // the cell lead to take a picture / 去拍照的cell
     TZImagePickerController *tzImagePickerVc = (TZImagePickerController *)self.navigationController;
-    if (((tzImagePickerVc.sortAscendingByModificationDate && indexPath.row >= _models.count) || (!tzImagePickerVc.sortAscendingByModificationDate && indexPath.row == 0)) && _showTakePhotoBtn) {
+    if (((tzImagePickerVc.sortAscendingByModificationDate && indexPath.item >= _models.count) || (!tzImagePickerVc.sortAscendingByModificationDate && indexPath.item == 0)) && _showTakePhotoBtn) {
         TZAssetCameraCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"TZAssetCameraCell" forIndexPath:indexPath];
         cell.imageView.image = tzImagePickerVc.takePictureImage;
         if ([tzImagePickerVc.takePictureImageName isEqualToString:@"takePicture80"]) {
@@ -487,9 +487,9 @@ static CGFloat itemMargin = 5;
     cell.useCachedImage = self.useCachedImage;
     TZAssetModel *model;
     if (tzImagePickerVc.sortAscendingByModificationDate || !_showTakePhotoBtn) {
-        model = _models[indexPath.row];
+        model = _models[indexPath.item];
     } else {
-        model = _models[indexPath.row - 1];
+        model = _models[indexPath.item - 1];
     }
     cell.allowPickingGif = tzImagePickerVc.allowPickingGif;
     cell.model = model;
@@ -555,13 +555,13 @@ static CGFloat itemMargin = 5;
 - (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
     // take a photo / 去拍照
     TZImagePickerController *tzImagePickerVc = (TZImagePickerController *)self.navigationController;
-    if (((tzImagePickerVc.sortAscendingByModificationDate && indexPath.row >= _models.count) || (!tzImagePickerVc.sortAscendingByModificationDate && indexPath.row == 0)) && _showTakePhotoBtn)  {
+    if (((tzImagePickerVc.sortAscendingByModificationDate && indexPath.item >= _models.count) || (!tzImagePickerVc.sortAscendingByModificationDate && indexPath.item == 0)) && _showTakePhotoBtn)  {
         [self takePhoto]; return;
     }
     // preview phote or video / 预览照片或视频
-    NSInteger index = indexPath.row;
+    NSInteger index = indexPath.item;
     if (!tzImagePickerVc.sortAscendingByModificationDate && _showTakePhotoBtn) {
-        index = indexPath.row - 1;
+        index = indexPath.item - 1;
     }
     TZAssetModel *model = _models[index];
     if (model.type == TZAssetModelMediaTypeVideo && !tzImagePickerVc.allowPickingMultipleVideo) {

TZImagePickerController/TZImagePickerController/TZPhotoPreviewController.m

@@ -431,7 +431,7 @@
 
 - (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
     TZImagePickerController *_tzImagePickerVc = (TZImagePickerController *)self.navigationController;
-    TZAssetModel *model = _models[indexPath.row];
+    TZAssetModel *model = _models[indexPath.item];
     
     TZAssetPreviewCell *cell;
     __weak typeof(self) weakSelf = self;

TZImagePickerController/ViewController.m

@@ -131,25 +131,25 @@
 - (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
     TZTestCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"TZTestCell" forIndexPath:indexPath];
     cell.videoImageView.hidden = YES;
-    if (indexPath.row == _selectedPhotos.count) {
+    if (indexPath.item == _selectedPhotos.count) {
         cell.imageView.image = [UIImage imageNamed:@"AlbumAddBtn.png"];
         cell.deleteBtn.hidden = YES;
         cell.gifLable.hidden = YES;
     } else {
-        cell.imageView.image = _selectedPhotos[indexPath.row];
-        cell.asset = _selectedAssets[indexPath.row];
+        cell.imageView.image = _selectedPhotos[indexPath.item];
+        cell.asset = _selectedAssets[indexPath.item];
         cell.deleteBtn.hidden = NO;
     }
     if (!self.allowPickingGifSwitch.isOn) {
         cell.gifLable.hidden = YES;
     }
-    cell.deleteBtn.tag = indexPath.row;
+    cell.deleteBtn.tag = indexPath.item;
     [cell.deleteBtn addTarget:self action:@selector(deleteBtnClik:) forControlEvents:UIControlEventTouchUpInside];
     return cell;
 }
 
 - (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
-    if (indexPath.row == _selectedPhotos.count) {
+    if (indexPath.item == _selectedPhotos.count) {
         BOOL showSheet = self.showSheetSwitch.isOn;
         if (showSheet) {
             UIActionSheet *sheet = [[UIActionSheet alloc] initWithTitle:nil delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:nil otherButtonTitles:@"拍照",@"去相册选择", nil];
@@ -158,7 +158,7 @@
             [self pushTZImagePickerController];
         }
     } else { // preview photos or video / 预览照片或者视频
-        id asset = _selectedAssets[indexPath.row];
+        id asset = _selectedAssets[indexPath.item];
         BOOL isVideo = NO;
         if ([asset isKindOfClass:[PHAsset class]]) {
             PHAsset *phAsset = asset;
@@ -178,7 +178,7 @@
             vc.model = model;
             [self presentViewController:vc animated:YES completion:nil];
         } else { // preview photos / 预览照片
-            TZImagePickerController *imagePickerVc = [[TZImagePickerController alloc] initWithSelectedAssets:_selectedAssets selectedPhotos:_selectedPhotos index:indexPath.row];
+            TZImagePickerController *imagePickerVc = [[TZImagePickerController alloc] initWithSelectedAssets:_selectedAssets selectedPhotos:_selectedPhotos index:indexPath.item];
             imagePickerVc.maxImagesCount = self.maxCountTF.text.integerValue;
             imagePickerVc.allowPickingGif = self.allowPickingGifSwitch.isOn;
             imagePickerVc.allowPickingOriginalPhoto = self.allowPickingOriginalPhotoSwitch.isOn;