在php中使用simplexlsx读取excel xlsx文件 [英] Read excel xlsx file using simplexlsx in php

问题描述

我正在使用 simplexlsx.class.php 读取 xlsx 文件类型.当文件在excel文件中包含日期字段时会出现问题.

I am using simplexlsx.class.php to read xlsx file type. It's giving problems when the file contain date field in the excel file.

示例输出:

在文件数据中:

日期星期四 2/2/2012星期五 2/3/2012

Day Date Thursday 2/2/2012 Friday 2/3/2012

程序输出:

日期

星期四 40941
星期五 40942

Thursday 40941
Friday 40942

它没有给出正确的日期

<?php

if (isset($_FILES['file'])) {

require_once "simplexlsx.class.php";

$xlsx = new SimpleXLSX( $_FILES['file']['tmp_name'] );

echo '<h1>Parsing Result</h1>';
echo '<table border="1" cellpadding="3" style="border-collapse: collapse">';

list($cols,) = $xlsx->dimension();

foreach( $xlsx->rows() as $k => $r) {
    if ($k == 0) continue; // skip first row
    echo '<tr>';
    for( $i = 0; $i < $cols; $i++)
    {

        echo '<td>'.( (isset($r[$i])) ? $r[$i] : '&nbsp;' ).'</td>';

    }
    echo '</tr>';
}
echo '</table>';
}

?>
<h1>Upload</h1>
<form method="post" enctype="multipart/form-data">
*.XLSX <input type="file" name="file"  />&nbsp;&nbsp;<input type="submit" value="Parse" />

推荐答案

这些是正确的日期，只是在 Excel 的内部格式中:自 1900 年 1 月 1 日以来的天数(允许 1900 年为闰年).很明显，simplexlsx 类中的某些内容正在将 xlsx 日期值转换为 Excel 内部格式.

Those are the correct dates, just in Excel's internal format: number of days since Jan 1st 1900 (allowing for 1900 being a leap year). Clearly something in the simplexlsx class is converting the xlsx date value to the Excel internal format.

我以前没有遇到过 simplexlsx(这让我感到惊讶，因为我以为我知道所有用于 PHP 的 Excel 文件读取器/写入器库)...但是在代码的某处必须有一种方法来处理这种转换，所以我想还有一种方法可以反向(将 Excel 时间戳转换为 PHP)

I've not come across simplexlsx before (which surprises me as I thought I knew all the Excel file reader/writer libraries for PHP)... but somewhere in the code there must be a method to handle that conversion, so I'd imagine that there would also be a method for the reverse (converting Excel timestamp to PHP)

编辑

你想要的方法在代码中:

The method you want is in the code:

function unixstamp( $excelDateTime ) {
    $d = floor( $excelDateTime ); // seconds since 1900
    $t = $excelDateTime - $d;
    return ($d > 0) ? ( $d - 25569 ) * 86400 + $t * 86400 : $t * 86400;
}

我不保证它是准确的

进一步编辑

function unixstamp( $excelDateTime ) {
    $d = floor( $excelDateTime ); // seconds since 1900
    $t = $excelDateTime - $d;
    return ($d > 0) ? ( $d - 25569 ) * 86400 + $t * 86400 : $t * 86400;
}


$dateVal = 40941;
$unixDateVal = unixstamp($dateVal);
var_dump($unixDateVal);
echo date('d-M-Y',$unixDateVal);

给予

float 1328140800

这看起来非常像今年正确范围内的 unix 时间戳值，果然:

which looks remarkably like a unix timestamp value in the correct range for this year, and sure enough:

02-Feb-2012

看起来对我有用

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