在Cakephp 3中加载外部类和成员函数

Question

我正在研究CakePHP 3.2。

我想从excel文件中大量导入数据，并将它们保存到数据库中。为此，我使用PHPExcel库。

我已经下载了这个库并在vendor目录中解压缩，因此PHPExcel.php的文件路径是

/vendor/PHPExcel/Classes/PHPExcel.php

IOFactory.php的文件是

/vendor/PHPExcel/Classes/PHPExcel/IOFactory.php

我把这个包括在我的控制器里

<?php
namespace App\Controller;

use App\Controller\AppController;
use Cake\Event\Event;

include '../vendor/PHPExcel/Classes/PHPExcel.php';
include '../vendor/PHPExcel/Classes/PHPExcel/IOFactory.php';

/**
 * Products Controller
 *
 * @property \App\Model\Table\ProductsTable $Products
 */
class ProductsController extends AppController
{
    public function beforeFilter(Event $event)
    {
        parent::beforeFilter($event);

        if ($this->Auth->user()['status'] != 1) {
            $this->Auth->deny(['sell']);
        }
        $this->Auth->allow(['bulkUpload']);
    }

    public function bulkUpload()
    {
       $inputFileName = $this->request->data('excel_data');


       if ($inputFileName != '') {
         $inputFileType = PHPExcel_IOFactory::identify($inputFileName); // line 33
         $objReader = PHPExcel_IOFactory::createReader($inputFileType);

         $objReader->setReadDataOnly(true);
         $objPHPExcel = $objReader->load($inputFileName);
         $objWorksheet = $objPHPExcel->setActiveSheetIndex(0);
         $highestRow = $objWorksheet->getHighestRow();

         for ($row = 2; $row <= $highestRow; ++$row) {
            $this->data['Program']['cycle_month'] = $objWorksheet->getCellByColumnAndRow(1, $row)->getValue();
            $this->data['Program']['cycle_year'] = $objWorksheet->getCellByColumnAndRow(2, $row)->getValue();
            $this->data['Program']['media_partnum'] = $objWorksheet->getCellByColumnAndRow(3, $row)->getValue();

            $resultArray[$row-2] = $this->data['Program'];
        }

            debug($resultArray);
        }
    }
}

注意:我从未使用过这样的插件和批量上传，这就是为什么我在https://stackoverflow.com/questions/28406298/phpexcel-plugin-does-not-import-file-in-cakephp上遵循这个问题中的代码。

现在的问题是，当我选择一个文件并上传时，它会导致错误

 Class 'App\Controller\PHPExcel_IOFactory' not found at line 33

我认为问题在于调用PHPExcel_IOFactory类。

PHPExcel_IOFactory类在IOFactory.php文件中

<?php

/**    PHPExcel root directory */
if (!defined('PHPEXCEL_ROOT')) {
    /**
     * @ignore
     */
    define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../');
    require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
}

class PHPExcel_IOFactory
{
    /**
     * Search locations
     *
     * @var    array
     * @access    private
     * @static
     */
    private static $searchLocations = array(
        array( 'type' => 'IWriter', 'path' => 'PHPExcel/Writer/{0}.php', 'class' => 'PHPExcel_Writer_{0}' ),
        array( 'type' => 'IReader', 'path' => 'PHPExcel/Reader/{0}.php', 'class' => 'PHPExcel_Reader_{0}' )
    );

    /**
     * Autoresolve classes
     *
     * @var    array
     * @access    private
     * @static
     */
    private static $autoResolveClasses = array(
        'Excel2007',
        'Excel5',
        'Excel2003XML',
        'OOCalc',
        'SYLK',
        'Gnumeric',
        'HTML',
        'CSV',
    );

    /**
     *    Private constructor for PHPExcel_IOFactory
     */
    private function __construct()
    {
    }
    public static function identify($pFilename)
    {
       $reader = self::createReaderForFile($pFilename);
       $className = get_class($reader);
       $classType = explode('_', $className);
       unset($reader);
       return array_pop($classType);
    }
}

Answer 1

我知道这是名称空间的一个简单问题。只需将斜杠放在name类之前，因为它位于全局命名空间中。

$inputFileType = \PHPExcel_IOFactory::identify($inputFileName); 

Answer 2

您可以使用composer加载PHPExcel库。它将自动包含项目中的所有类。

composer require phpoffice/phpexcel

干杯:)