图像导入到magento

I have a bunch of images of the products for my shop. Now, i don't want to add all the images one by one because it would be very time consuming. The images' file names are equal to the product name, so I tried this:

<?php
require_once('app/Mage.php'); 
umask(0);
Mage::app('default');
Mage::app()->setCurrentStore(Mage_Core_Model_App::ADMIN_STORE_ID); 
$importDir = Mage::getBaseDir('media') . DS . 'import/';
$_productCollection = Mage::getModel('catalog/product')
               ->getCollection()->addAttributeToSelect('*');
foreach($_productCollection as $_product)
{       $fileName = $_product->getName();
        $filePath = $importDir.$fileName; 
        if ( file_exists($filePath) ) {
        try {
            $_product->addImageToMediaGallery($filePath, 'image', false, false);
            $_product->addImageToMediaGallery($filePath, 'small_image', false, true);
        } catch (Exception $e) {
            echo $e->getMessage();
        }
     }
      $_product->save();
}
?>

The code itself would work if I would take one specific image, but it does not work with the name. All the images are inside the import folder.

Thanks!

You nave not mention the extension of the image (i.e., .jpg, .png, etc).

You have to add the extension for the $filepath

 $filePath = $importDir.$fileName.'.png'; //if all images are png