mall/librarys/phpexcel/PHPExcel/Writer/Excel2007/WriterPart.php

<?php
/**
 * 重庆赤晓店信息科技有限公司
 * https://www.chixiaodian.com
 * Copyright (c) 2023 赤店商城 All rights reserved.
 */
abstract class PHPExcel_Writer_Excel2007_WriterPart
{
    /**
     * Parent IWriter object
     *
     * @var PHPExcel_Writer_IWriter
     */
    private $parentWriter;

    /**
     * Set parent IWriter object
     *
     * @param PHPExcel_Writer_IWriter    $pWriter
     * @throws PHPExcel_Writer_Exception
     */
    public function setParentWriter(PHPExcel_Writer_IWriter $pWriter = null)
    {
        $this->parentWriter = $pWriter;
    }

    /**
     * Get parent IWriter object
     *
     * @return PHPExcel_Writer_IWriter
     * @throws PHPExcel_Writer_Exception
     */
    public function getParentWriter()
    {
        if (!is_null($this->parentWriter)) {
            return $this->parentWriter;
        } else {
            throw new PHPExcel_Writer_Exception("No parent PHPExcel_Writer_IWriter assigned.");
        }
    }

    /**
     * Set parent IWriter object
     *
     * @param PHPExcel_Writer_IWriter    $pWriter
     * @throws PHPExcel_Writer_Exception
     */
    public function __construct(PHPExcel_Writer_IWriter $pWriter = null)
    {
        if (!is_null($pWriter)) {
            $this->parentWriter = $pWriter;
        }
    }
}