当前路径：Classes/PHPExcel/Style/NumberFormat.php
<?php

/**
 * PHPExcel_Style_NumberFormat
 *
 * Copyright (c) 2006 - 2015 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel_Style
 * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
 * @version    ##VERSION##, ##DATE##
 */
class PHPExcel_Style_NumberFormat extends PHPExcel_Style_Supervisor implements PHPExcel_IComparable
{
    /* Pre-defined formats */
    const FORMAT_GENERAL                 = 'General';

    const FORMAT_TEXT                    = '@';

    const FORMAT_NUMBER                  = '0';
    const FORMAT_NUMBER_00               = '0.00';
    const FORMAT_NUMBER_COMMA_SEPARATED1 = '#,##0.00';
    const FORMAT_NUMBER_COMMA_SEPARATED2 = '#,##0.00_-';

    const FORMAT_PERCENTAGE              = '0%';
    const FORMAT_PERCENTAGE_00           = '0.00%';

    const FORMAT_DATE_YYYYMMDD2          = 'yyyy-mm-dd';
    const FORMAT_DATE_YYYYMMDD           = 'yy-mm-dd';
    const FORMAT_DATE_DDMMYYYY           = 'dd/mm/yy';
    const FORMAT_DATE_DMYSLASH           = 'd/m/y';
    const FORMAT_DATE_DMYMINUS           = 'd-m-y';
    const FORMAT_DATE_DMMINUS            = 'd-m';
    const FORMAT_DATE_MYMINUS            = 'm-y';
    const FORMAT_DATE_XLSX14             = 'mm-dd-yy';
    const FORMAT_DATE_XLSX15             = 'd-mmm-yy';
    const FORMAT_DATE_XLSX16             = 'd-mmm';
    const FORMAT_DATE_XLSX17             = 'mmm-yy';
    const FORMAT_DATE_XLSX22             = 'm/d/yy h:mm';
    const FORMAT_DATE_DATETIME           = 'd/m/y h:mm';
    const FORMAT_DATE_TIME1              = 'h:mm AM/PM';
    const FORMAT_DATE_TIME2              = 'h:mm:ss AM/PM';
    const FORMAT_DATE_TIME3              = 'h:mm';
    const FORMAT_DATE_TIME4              = 'h:mm:ss';
    const FORMAT_DATE_TIME5              = 'mm:ss';
    const FORMAT_DATE_TIME6              = 'h:mm:ss';
    const FORMAT_DATE_TIME7              = 'i:s.S';
    const FORMAT_DATE_TIME8              = 'h:mm:ss;@';
    const FORMAT_DATE_YYYYMMDDSLASH      = 'yy/mm/dd;@';

    const FORMAT_CURRENCY_USD_SIMPLE     = '"$"#,##0.00_-';
    const FORMAT_CURRENCY_USD            = '$#,##0_-';
    const FORMAT_CURRENCY_EUR_SIMPLE     = '[$EUR ]#,##0.00_-';

    /**
     * Excel built-in number formats
     *
     * @var array
     */
    protected static $builtInFormats;

    /**
     * Excel built-in number formats (flipped, for faster lookups)
     *
     * @var array
     */
    protected static $flippedBuiltInFormats;

    /**
     * Format Code
     *
     * @var string
     */
    protected $formatCode = PHPExcel_Style_NumberFormat::FORMAT_GENERAL;

    /**
     * Built-in format Code
     *
     * @var string
     */
    protected $builtInFormatCode    = 0;

    /**
     * Create a new PHPExcel_Style_NumberFormat
     *
     * @param    boolean    $isSupervisor    Flag indicating if this is a supervisor or not
     *                                    Leave this value at default unless you understand exactly what
     *                                        its ramifications are
     * @param    boolean    $isConditional    Flag indicating if this is a conditional style or not
     *                                    Leave this value at default unless you understand exactly what
     *                                        its ramifications are
     */
    public function __construct($isSupervisor = false, $isConditional = false)
    {
        // Supervisor?
        parent::__construct($isSupervisor);

        if ($isConditional) {
            $this->formatCode = null;
            $this->builtInFormatCode = false;
        }
    }

    /**
     * Get the shared style component for the currently active cell in currently active sheet.
     * Only used for style supervisor
     *
     * @return PHPExcel_Style_NumberFormat
     */
    public function getSharedComponent()
    {
        return $this->parent->getSharedComponent()->getNumberFormat();
    }

    /**
     * Build style array from subcomponents
     *
     * @param array $array
     * @return array
     */
    public function getStyleArray($array)
    {
        return array('numberformat' => $array);
    }

    /**
     * Apply styles from array
     *
     * <code>
     * $objPHPExcel->getActiveSheet()->getStyle('B2')->getNumberFormat()->applyFromArray(
     *        array(
     *            'code' => PHPExcel_Style_NumberFormat::FORMAT_CURRENCY_EUR_SIMPLE
     *        )
     * );
     * </code>
     *
     * @param    array    $pStyles    Array containing style information
     * @throws    PHPExcel_Exception
     * @return PHPExcel_Style_NumberFormat
     */
    public function applyFromArray($pStyles = null)
    {
        if (is_array($pStyles)) {
            if ($this->isSupervisor) {
                $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
           ...