PHP 实现 word/excel/ppt 转换为 PDF
一般最常见的就是利用OpenOffice来转换，来看看实现的核心代码：
class PDFConverter
{
private $com;
/**
* need to install openoffice and run in the background
* soffice -headless-accept="socket,host=127.0.0.1,port=8100;urp;" -nofirststartwizard
*/
public function __construct()
{
try {
$this->com = new COM('com.sun.star.ServiceManager');
} catch (Exception $e) {
die('Please be sure that OpenOffice.org is installed.');
}
}
/**
* Execute PDF file(absolute path) conversion
* @param $source [source file]
* @param $export [export file]
*/
public function execute($source, $export)
{
$source = 'file:///' . str_replace('\', '/', $source);
$export = 'file:///' . str_replace('\', '/', $export);
$this->convertProcess($source, $export);
}
/**
* Get the PDF pages
* @param $pdf_path [absolute path]
* @return int
*/
public function getPages($pdf_path)
{
if (!file_exists($pdf_path)) return 0;
if (!is_readable($pdf_path)) return 0;
if ($fp = fopen($pdf_path, 'r')) {
$page = 0;
while (!feof($fp)) {
$line = fgets($fp, 255);
if (preg_match('//Count [0-9]+/', $line, $matches)) {
preg_match('/[0-9]+/', $matches[0], $matches2);
$page = ($page < $matches2[0]) ? $matches2[0] : $page;
}
}
fclose($fp);
return $page;
}
return 0;
}
private function setProperty($name, $value)
{
$struct = $this->com->Bridge_GetStruct('com.sun.star.beans.PropertyValue');
$struct->Name = $name;
$struct->Value = $value;
return $struct;
}
private function convertProcess($source, $export)
{
$desktop_args = array($this->setProperty('Hidden', true));
$desktop = $this->com->createInstance('com.sun.star.frame.Desktop');
$export_args = array($this->setProperty('FilterName', 'writer_pdf_Export'));
$program = $desktop->loadComponentFromURL($source, '_blank', 0, $desktop_args);
$program->storeToURL($export, $export_args);
$program->close(true);
}
}
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