fopen(): remote host file access not supported, file://

tp5 使用 TCPD 扩展 将 html 转换为 pdf ,并且保存 pdf 文件
报错 : fpen(): remote host file access not supported, file://./parame.pdf

利用 TCPD 生成 html 文件 过程

1.下载 TCPD 扩展
项目跟目录下执行

composer require tecnickcom/tcpdf

2.控制器测试代码

public function pdf(){
        $pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
        $pdf->SetCreator(PDF_CREATOR);
        $pdf->SetAuthor('Nicola Asuni');
        $pdf->SetTitle('TCPDF Example 001');
        $pdf->SetSubject('TCPDF Tutorial');
        $pdf->SetKeywords('TCPDF, PDF, example, test, guide');
        $pdf->SetHeaderData(PDF_HEADER_LOGO, PDF_HEADER_LOGO_WIDTH, PDF_HEADER_TITLE.' 001', PDF_HEADER_STRING, array(0,64,255), array(0,64,128));
        $pdf->setFooterData(array(0,64,0), array(0,64,128));
        $pdf->setHeaderFont(Array(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN));
        $pdf->setFooterFont(Array(PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA));
        $pdf->SetDefaultMonospacedFont(PDF_FONT_MONOSPACED);
        $pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);
        $pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
        $pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
        $pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
        $pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
        if (@file_exists(dirname(__FILE__).'/lang/eng.php')) {
            require_once(dirname(__FILE__).'/lang/eng.php');
            $pdf->setLanguageArray($l);
        }
        $pdf->setFontSubsetting(true);
        $pdf->SetFont('dejavusans', '', 8, '', true);
        $pdf->AddPage();
        $pdf->setTextShadow(array('enabled'=>true, 'depth_w'=>0.2, 'depth_h'=>0.2, 'color'=>array(196,196,196), 'opacity'=>1, 'blend_mode'=>'Normal'));
        $html = <<Welcome to  郭艳BOSS !
This is the first example of TCPDF library.

This text is printed using the writeHTMLCell() method but you can also use: Multicell(), writeHTML(), Write(), Cell() and Text().

Please check the source code documentation and other examples for further information.

TO IMPROVE AND EXPAND TCPDF I NEED YOUR SUPPORT, PLEASE MAKE A DONATION!

EOD; $pdf->writeHTMLCell(0, 0, '', '', $html, 0, 1, 0, true, '', true); $filaName = Config::get('parame.pdf_ulr'). './example_002.pdf'; //保存 pdf 方式一 : //$count = $pdf->Output($filaName, 'F');exit; $count = $pdf->Output('./parame.pdf', 'F');exit; //保存pdf 方式二 : //$count = $pdf->Output('example_001.pdf', 'S'); //file_put_contents('./example_001.pdf',$count);exit; //$pdf->Output('example_001.pdf', 'F');exit; //$pdf->Output('./example_001.pdf', 'I');exit; //下载 pdf //$pdf->Output('./example_001.pdf', 'D'); }

就这样执行时:报如下错误信息

看到网上的解决方案 :
参考资料 : https://www.e-learn.cn/conten...

可以使用 :

$pdf->Output(__DIR__ . '/invoices/Delivery Note.pdf', 'F');

我发现的问题是
fopen() 函数打开文件或者 URL。
如果打开文件 : 则必须是 该文件的 绝对路径

ok 问题解决 !!!!!

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