Php Opencart模块内部错误

我已经开始为Opencart 2.3创建一个简单的“流行产品”模块，只是为了掌握如何在Opencart中创建模块

我遇到了一个问题，当我从后端的extensions部分单击安装模块时，我遇到了一个内部错误页面，我的一些逻辑肯定是不正确的，但我不太确定哪里出了问题。我想知道是否有人能指出我的问题所在

该模块仅用于默认主题。我已将顶部注释掉的文件标记为：

管理文件：

管理控制器文件

<!-- ADMIN CONTROLLER FILE -->

<?php
class ControllerModulePopular extends Controller {
  private $error = array();

  public function index() {
    $this->load->language('extension/module/popular');
    $this->document->setTitle($this->language->get('heading_title'));
    $this->load->model('extension/module');

    if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validate()) {
      if (!isset($this->request->get['module_id'])) {
        $this->model_extension_module->addModule('popular', $this->request->post);
      } else {
        $this->model_extension_module->editModule($this->request->get['module_id'], $this->request->post);
      }

      $this->cache->delete('product');
      $this->session->data['success'] = $this->language->get('text_success');
      $this->response->redirect($this->url->link('extension/extension', 'token=' . $this->session->data['token'] . '&type=module', true));
    }

    $data['heading_title'] = $this->language->get('heading_title');
    $data['text_edit'] = $this->language->get('text_edit');
    $data['text_enabled'] = $this->language->get('text_enabled');
    $data['text_disabled'] = $this->language->get('text_disabled');

    $data['entry_name'] = $this->language->get('entry_name');
    $data['entry_limit'] = $this->language->get('entry_limit');
    $data['entry_width'] = $this->language->get('entry_width');
    $data['entry_height'] = $this->language->get('entry_height');
    $data['entry_status'] = $this->language->get('entry_status');

    $data['button_save'] = $this->language->get('button_save');
    $data['button_cancel'] = $this->language->get('button_cancel');

    if (isset($this->error['warning'])) {
      $data['error_warning'] = $this->error['warning'];
    } else {
      $data['error_warning'] = '';
    }

    if (isset($this->error['name'])) {
      $data['error_name'] = $this->error['name'];
    } else {
      $data['error_name'] = '';
    }

    if (isset($this->error['width'])) {
      $data['error_width'] = $this->error['width'];
    } else {
      $data['error_width'] = '';
    }

    if (isset($this->error['autoplay'])) {
      $data['error_autoplay'] = $this->error['autoplay'];
    } else {
      $data['error_autoplay'] = '';
    }

    if (isset($this->error['height'])) {
      $data['error_height'] = $this->error['height'];
    } else {
      $data['error_height'] = '';
    }


    $data['breadcrumbs'] = array();

    $data['breadcrumbs'][] = array(
      'text' => $this->language->get('text_home'),
      'href' => $this->url->link('common/dashboard', 'token=' . $this->session->data['token'], true)
    );

    $data['breadcrumbs'][] = array(
      'text' => $this->language->get('text_module'),
      'href' => $this->url->link('extension/extension', 'token=' . $this->session->data['token'] . '&type=module', true)
    );

    if (!isset($this->request->get['module_id'])) {
      $data['breadcrumbs'][] = array(
        'text' => $this->language->get('heading_title'),
        'href' => $this->url->link('extension/module/popular', 'token=' . $this->session->data['token'], true)
      );
    } else {
      $data['breadcrumbs'][] = array(
        'text' => $this->language->get('heading_title'),
        'href' => $this->url->link('extension/module/popular', 'token=' . $this->session->data['token'] . '&module_id=' . $this->request->get['module_id'], true)
      );
    }

    if (!isset($this->request->get['module_id'])) {
      $data['action'] = $this->url->link('extension/module/popular', 'token=' . $this->session->data['token'], true);
    } else {
      $data['action'] = $this->url->link('extension/module/popular', 'token=' . $this->session->data['token'] . '&module_id=' . $this->request->get['module_id'], true);
    }

    $data['cancel'] = $this->url->link('extension/extension', 'token=' . $this->session->data['token'] . '&type=module', true);

    if (isset($this->request->get['module_id']) && ($this->request->server['REQUEST_METHOD'] != 'POST')) {
      $module_info = $this->model_extension_module->getModule($this->request->get['module_id']);
    }

    $data['token'] = $this->session->data['token'];

    if (isset($this->request->post['name'])) {
      $data['name'] = $this->request->post['name'];
    } elseif (!empty($module_info)) {
      $data['name'] = $module_info['name'];
    } else {
      $data['name'] = '';
    }

    $this->load->model('catalog/product');

    $data['products'] = array();

    if (isset($this->request->post['product'])) {
      $products = $this->request->post['product'];
    } elseif (!empty($module_info)) {
      $products = $module_info['product'];
    } else {
      $products = array();
    }

    foreach ($products as $product_id) {
      $product_info = $this->model_catalog_product->getProduct($product_id);

      if ($product_info) {
        $data['products'][] = array(
          'product_id' => $product_info['product_id'],
          'name'       => $product_info['name']
        );
      }
    }

    if (isset($this->request->post['limit'])) {
      $data['limit'] = $this->request->post['limit'];
    } elseif (!empty($module_info)) {
      $data['limit'] = $module_info['limit'];
    } else {
      $data['limit'] = 5;
    }

    if (isset($this->request->post['width'])) {
      $data['width'] = $this->request->post['width'];
    } elseif (!empty($module_info)) {
      $data['width'] = $module_info['width'];
    } else {
      $data['width'] = 360;
    }

    if (isset($this->request->post['height'])) {
      $data['height'] = $this->request->post['height'];
    } elseif (!empty($module_info)) {
      $data['height'] = $module_info['height'];
    } else {
      $data['height'] = 360;
    }

    if (isset($this->request->post['autoplay'])) {
      $data['autoplay'] = $this->request->post['autoplay'];
    } elseif (!empty($module_info)) {
      $data['autoplay'] = $module_info['autoplay'];
    } else {
      $data['autoplay'] = 5000;
    }

    if (isset($this->request->post['status'])) {
      $data['status'] = $this->request->post['status'];
    } elseif (!empty($module_info)) {
      $data['status'] = $module_info['status'];
    } else {
      $data['status'] = '';
    }



    $data['header'] = $this->load->controller('common/header');
    $data['column_left'] = $this->load->controller('common/column_left');
    $data['footer'] = $this->load->controller('common/footer');

    $this->response->setOutput($this->load->view('extension/module/popular.tpl', $data));
  }

  protected function validate() {
    if (!$this->user->hasPermission('modify', 'extension/module/popular')) {
      $this->error['warning'] = $this->language->get('error_permission');
    }

    if ((utf8_strlen($this->request->post['name']) < 3) || (utf8_strlen($this->request->post['name']) > 64)) {
      $this->error['name'] = $this->language->get('error_name');
    }

    if (!$this->request->post['width']) {
      $this->error['width'] = $this->language->get('error_width');
    }

    if (!$this->request->post['height']) {
      $this->error['height'] = $this->language->get('error_height');
    }


    return !$this->error;
  }
}

这里，您在两个控制器文件中都写入了错误的控制器类。你忘了在那里提到“分机”

在两个（管理和目录）控制器文件中查找并替换以下代码。然后检查一下

查找：

替换：

class ControllerExtensionModulePopular extends Controller {

这里，您在两个控制器文件中都写入了错误的控制器类。你忘了在那里提到“分机”

在两个（管理和目录）控制器文件中查找并替换以下代码。然后检查一下

查找：

替换：

class ControllerExtensionModulePopular extends Controller {

传奇那是我这边缺少鹰眼。谢谢你，传奇人物。那是我这边缺少鹰眼。非常感谢。
<!-- CATALOG CONTROLLER FILE -->

<?php
class ControllerModulePopular extends Controller {
  public function index($setting) {
    $this->load->language('extension/module/popular');

    $data['heading_title']   = $this->language->get('heading_title');
    $data['text_tax']        = $this->language->get('text_tax');
    $data['button_cart']     = $this->language->get('button_cart');
    $data['button_wishlist'] = $this->language->get('button_wishlist');
    $data['button_compare']  = $this->language->get('button_compare');

    $this->load->model('catalog/product');
    $this->load->model('tool/image');

    $data['products'] = array();
    $product_data     = array();

    if(isset($setting['limit']) && $setting['limit']!=''){
      $setting['limit'] = $setting['limit'];
    }
    else{
      $setting['limit'] = 4;
    }


    $query = $this->db->query("SELECT p.product_id FROM " . DB_PREFIX . "product p LEFT JOIN " . DB_PREFIX . "product_to_store p2s ON (p.product_id = p2s.product_id) WHERE p.status = '1' AND p.date_available <= NOW() AND p2s.store_id = '" . (int)$this->config->get('config_store_id') . "' ORDER BY p.viewed DESC LIMIT " . (int)$setting['limit']);



    foreach ($query->rows as $result) {
      $product_data[$result['product_id']] = $this->model_catalog_product->getProduct($result['product_id']);
    }

    $results = $product_data;

    if ($results) {
      foreach ($results as $result) {
        if ($result['image']) {
          $image = $this->model_tool_image->resize($result['image'], $setting['width'], $setting['height']);
        } else {
          $image = $this->model_tool_image->resize('placeholder.png', $setting['width'], $setting['height']);
        }


        if (($this->config->get('config_customer_price') && $this->customer->isLogged()) || !$this->config->get('config_customer_price')) {
          $price = $this->currency->format($this->tax->calculate($result['price'], $result['tax_class_id'], $this->config->get('config_tax')));
        } else {
          $price = false;
        }

        if ((float)$result['special']) {
          $special = $this->currency->format($this->tax->calculate($result['special'], $result['tax_class_id'], $this->config->get('config_tax')));
        } else {
          $special = false;
        }

        if ($this->config->get('config_tax')) {
          $tax = $this->currency->format((float)$result['special'] ? $result['special'] : $result['price']);
        } else {
          $tax = false;
        }


        if ($this->config->get('config_review_status')) {
          $rating = $result['rating'];
        } else {
          $rating = false;
        }

        $data['products'][] = array(
          'product_id'   => $result['product_id'],
          'thumb'        => $image,
          'name'         => $result['name'],
          'description'  => utf8_substr(strip_tags(html_entity_decode($result['description'], ENT_QUOTES, 'UTF-8')), 0, $this->config->get('config_product_description_length')) . '..',
          'price'        => $price,
          'special'      => $special,
          'tax'          => $tax,
          'rating'       => $rating,
          'href'         => $this->url->link('product/product', 'product_id=' . $result['product_id']),
        );
      }

      if (file_exists(DIR_TEMPLATE . $this->config->get('config_template') . '/template/extension/module/popular.tpl')) {
        return $this->load->view($this->config->get('config_template') . '/template/extension/module/popular.tpl', $data);
      } else {
        return $this->load->view('default/template/extension/module/popular.tpl', $data);
      }
    }
  }
}

<!-- LANGUAGE CONTROLLER FILE -->

<?php
// Heading
$_['heading_title'] = 'Popular Products';

// Text
$_['text_reviews']  = 'Based on %s reviews.';

// Tax
$_['text_tax']      = 'Ex Tax:';

<!-- CATALOG VIEW FILE -->

<h3><?php echo $heading_title; ?></h3>
<div class="row">
  <?php foreach ($products as $product) { ?>
  <div class="col-lg-3 col-md-3 col-sm-6 col-xs-12">
    <div class="product-thumb transition">
      <div class="image"><a href="<?php echo $product['href']; ?>"><img src="<?php echo $product['thumb']; ?>" alt="<?php echo $product['name']; ?>" title="<?php echo $product['name']; ?>" class="img-responsive" /></a></div>
      <div class="caption">
        <h4><a href="<?php echo $product['href']; ?>"><?php echo $product['name']; ?></a></h4>
        <p><?php echo $product['description']; ?></p>
        <?php if ($product['rating']) { ?>
        <div class="rating">
          <?php for ($i = 1; $i <= 5; $i++) { ?>
          <?php if ($product['rating'] < $i) { ?>
          <span class="fa fa-stack"><i class="fa fa-star-o fa-stack-2x"></i></span>
          <?php } else { ?>
          <span class="fa fa-stack"><i class="fa fa-star fa-stack-2x"></i><i class="fa fa-star-o fa-stack-2x"></i></span>
          <?php } ?>
          <?php } ?>
        </div>
        <?php } ?>
        <?php if ($product['price']) { ?>
        <p class="price">
          <?php if (!$product['special']) { ?>
          <?php echo $product['price']; ?>
          <?php } else { ?>
          <span class="price-new"><?php echo $product['special']; ?></span> <span class="price-old"><?php echo $product['price']; ?></span>
          <?php } ?>
          <?php if ($product['tax']) { ?>
          <span class="price-tax"><?php echo $text_tax; ?> <?php echo $product['tax']; ?></span>
          <?php } ?>
        </p>
        <?php } ?>
      </div>
      <div class="button-group">
        <button type="button" onclick="cart.add('<?php echo $product['product_id']; ?>');"><i class="fa fa-shopping-cart"></i> <span class="hidden-xs hidden-sm hidden-md"><?php echo $button_cart; ?></span></button>
        <button type="button" data-toggle="tooltip" title="<?php echo $button_wishlist; ?>" onclick="wishlist.add('<?php echo $product['product_id']; ?>');"><i class="fa fa-heart"></i></button>
        <button type="button" data-toggle="tooltip" title="<?php echo $button_compare; ?>" onclick="compare.add('<?php echo $product['product_id']; ?>');"><i class="fa fa-exchange"></i></button>
      </div>
    </div>
  </div>
  <?php } ?>
</div>

class ControllerModulePopular extends Controller {

class ControllerExtensionModulePopular extends Controller {