我想提供一个 Excel 文件供 PhpSpreadsheet 下载

这是我的代码:

    require 'vendor/autoload.php';

    use PhpOffice\PhpSpreadsheet\Spreadsheet;
    use PhpOffice\PhpSpreadsheet\Writer\Xlsx;

    $spreadsheet = new Spreadsheet();
    $sheet = $spreadsheet->getActiveSheet();
    $sheet->setCellValue('A1', 'Hello World !');

    $writer = new Xlsx($spreadsheet);
    $writer = \PhpOffice\PhpSpreadsheet\IOFactory::createWriter($spreadsheet, 'Xlsx');

    header('Content-Type: application/vnd.ms-excel');
    header('Content-Disposition: attachment; filename="hello_world.xlsx"');
    $writer->save("php://output");

我收到以下错误消息:

    PHP Warning:  ZipArchive::close(): Failure to create temporary file: No such file or directory in /Users/sg/GitWorkingCopies/xxx1/xxx2/library/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx.php on line 374
    PHP Fatal error:  Uncaught exception 'PhpOffice\PhpSpreadsheet\Writer\Exception' with message 'Could not close zip file php://output.' in /Users/sg/GitWorkingCopies/xxx1/xxx2/library/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx.php:375

dokumentation of PHPSpreadsheet说:

\PhpOffice\PhpSpreadsheet\Writer\Xlsx uses temporary storage when writing to php://output. By default, temporary files are stored in the script's working directory. When there is no access, it falls back to the operating system's temporary files location.

upload_tmp_dir 是:/Applications/XAMPP/xamppfiles/temp/

我必须检查哪个文件夹权限？ 或者是什么导致了问题？

最佳答案

在 PHP 中写入目录的一般规则:

它必须存在,

PHP进程可写,

open_basedir 允许php.ini 指令。

因此，在 $writer->save() 方法中设置一些文件路径作为参数，并检查是否满足这 3 个规则。

如果您只想在 $writer->save() 中使用 php://output 或 php://stdout 值> 方法，检查这些规则:

1) sys_get_temp_dir() 函数返回的目录。在 Windows 中，sys_get_temp_dir() 默认返回当前操作系统用户的临时目录。该值可以通过 sys_temp_dir php.ini 指令更改。

或

2) upload_tmp_dir返回的目录php.ini 指令。 $useUploadTempDirectory 默认为 false 值。要将其值设置为 true，请在保存文件之前在代码中添加此行:

\PhpOffice\PhpSpreadsheet\Shared\File::setUseUploadTempDirectory(true);

下面是负责选择保存路径的代码:

从 \PhpOffice\PhpSpreadsheet\Writer\Xlsx::save 方法(source):

// If $pFilename is php://output or php://stdout, make it a temporary file...
$originalFilename = $pFilename;
if (strtolower($pFilename) == 'php://output' || strtolower($pFilename) == 'php://stdout') {
    $pFilename = @tempnam(File::sysGetTempDir(), 'phpxltmp');
    if ($pFilename == '') {
        $pFilename = $originalFilename;
    }
}

从 \PhpOffice\PhpSpreadsheet\SharedFile::sysGetTempDir 方法(source):

/**
 * Get the systems temporary directory.
 *
 * @return string
 */
public static function sysGetTempDir()
{
    if (self::$useUploadTempDirectory) {
        //  use upload-directory when defined to allow 
        // running on environments having very restricted open_basedir configs
        if (ini_get('upload_tmp_dir') !== false) {
            if ($temp = ini_get('upload_tmp_dir')) {
                if (file_exists($temp)) {
                    return realpath($temp);
                }
            }
        }
    }
    return realpath(sys_get_temp_dir());
}

关于PhpSpreadsheet:权限 | ZipArchive::close():创建临时文件失败，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/50470370/