php office如何转 pdf

<?php

word2pdf(); function word2pdf()
{ $filenamedoc = dirname(__FILE__)."/index.docx"; $filenamepdf = dirname(__FILE__)."/index.pdf"; $dd = $word = new COM("KWPS.Application") or die ("Could not initialise Object."); // 或者 $dd = $word = new COM("Word.Application") or die ("Could not initialise Object.");
 // set it to 1 to see the MS Word window (the actual opening of the document)
 $word->Visible = 0; // recommend to set to 0, disables alerts like "Do you want MS Word to be the default .. etc"
 $word->DisplayAlerts = 0; // open the word 2007-2013 document

 $word->Documents->Open($filenamedoc); // save it as word 2003
 // convert word 2007-2013 to PDF

 //判断要生成的文件名是否存在
 if(file_exists($filenamepdf)) { //存在就删除
 unlink ($filenamepdf);
 } $word->ActiveDocument->ExportAsFixedFormat($filenamepdf, 17, false, 0, 0, 0, 0, 7, true, true, 2, true, true, false); // quit the Word process
 $word->Quit(false); // clean up
 unset($word); if(!function_exists('read_pdf')) { header('Content-type: application/pdf'); header('filename='.$filenamepdf); readfile($filenamepdf);
 read_pdf('Python_study.pdf');
 } echo 'ok';
}?>

if(!function_exists('read_pdf')) { function read_pdf($file) { if(strtolower(substr(strrchr($file,'.'),1)) != 'pdf') { echo '文件格式不对.'; return;
 } if(!file_exists($file)) { echo '文件不存在'; return;
 } header('Content-type: application/pdf'); header('filename='.$file); readfile($file);
 }
}