php实现pdf导出和打印功能。

所用插件：TCODF

//导出pdf

   public function export_pdf($order_sn){
       require_once(FCPATH .'../shared/plugin/tcpdf/tcpdf.php');

       $pdf = new TCPDF(PDF_PAGE_ORIENTATION, "pt", "A4", true, 'UTF-8', false);
       $pdf->SetFooterMargin(50);
       $pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
       if (@file_exists(FCPATH .'../shared/plugin/tcpdf/examples/lang/eng.php')) {
           require_once(FCPATH .'../shared/plugin/tcpdf/examples/lang/eng.php');
           $pdf->setLanguageArray($l);
       }
       $pdf->SetMargins(20,50,10 ,true);
       $pdf->AddPage();
       $pdf->SetFont('stsongstdlight', '', 12);
       $buffer = $this->assign_value($order_sn);
       $startpos = strpos($buffer,'');
       $endpos = strpos($buffer,'');
       $html = substr($buffer,$startpos,$endpos-$startpos+strlen(''));
       header("Content-type: text/html; charset=utf-8");
       $name = "customs_declaration";
       $export_name = $name.'_'.$order_sn;
       $pdf->writeHTML($html,true,false,false,false,false);
       $pdf->Output($export_name.'.pdf', 'd');
   }

　　//将获取的网页赋值
   public function assign_value($order_sn){
       ob_start();
       $this->declaration_print($order_sn);
       $buffer = ob_get_contents();
       ob_clean();
       return $buffer;
   }

通过ob缓存，将动态的页面缓存，已用来导出。

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php实现pdf导出和打印功能。

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