Question

尝试使用foreach循环创建缩略图时遇到问题。我使用CI的内置类image_lib来剪切图像，但它只会创建第一张图像的缩略图，对于其余图像，它们永远不会被剪切。这是我的代码：

    $source[0] = "image/catalog/a.jpg";
    $source[1] = "image/catalog/b.jpg";
    $source[2] = "image/catalog/c.jpg";


    foreach ($source as $image) {
        $config['image_library'] = 'gd2';
        $config['source_image'] = $image;
        $config['create_thumb'] = TRUE;
        $config['maintain_ratio'] = TRUE;
        $config['width'] = 100;
        $config['height'] = 100;

        $file = basename($image);
        $info = pathinfo($file);
        $file_name =  basename($file,'.'.$info['extension']);
        $config['new_image'] = '/Applications/XAMPP/xamppfiles/htdocs/zhiyuan/image/cache/' . basename($file_name) . '-' . $config['width'] . 'x' . $config['height'] . '.png';

        $this->load->library('image_lib', $config);
        $this->image_lib->resize();
    }

Answer 1

问题是我尝试多次加载库，但似乎只会在第一次加载。为了剪切第二个图像，我需要重新初始化配置。这是修复后的代码：

$source[0] = "image/catalog/a.jpg";
$source[1] = "image/catalog/b.jpg";
$source[2] = "image/catalog/c.jpg";
$this->load->library('image_lib');

foreach ($source as $image) {
    $config['image_library'] = 'gd2';
    $config['source_image'] = $image;
    $config['create_thumb'] = TRUE;
    $config['maintain_ratio'] = TRUE;
    $config['width'] = 100;
    $config['height'] = 100;

    $file = basename($image);
    $info = pathinfo($file);
    $file_name =  basename($file,'.'.$info['extension']);
    $config['new_image'] = '/Applications/XAMPP/xamppfiles/htdocs/zhiyuan/image/cache/' . basename($file_name) . '-' . $config['width'] . 'x' . $config['height'] . '.png';

    $this->image_lib->initialize($config);
    $this->image_lib->resize();
}

如何使用Codeigniter创建多个缩略图

1 个答案: