'备货单', 'order_no' => 'SO' . date('YmdHis'), 'customer' => 'Magic Bridge Auto FZE', ]); $driver = new MpdfDriver(); $pdf = $driver->htmlToPdf($html, [ // 若 HTML 里用到相对资源（img/css），给个基准目录 'asset_base' => public_path('assets/pdf'), // 也可以单独传 CSS 文件（推荐把 CSS 放在 public/assets/pdf） 'css_files' => [ public_path('assets/pdf/stock-order.css'), ], 'header_html' => '

Company • Stock Order

', 'footer_html' => '

{PAGENO} / {nbpg}

', 'watermark_text' => '', // 'DRAFT' ]); return new Response(200, [ 'Content-Type' => 'application/pdf', 'Content-Disposition' => 'inline; filename="stock-order.pdf"', ], $pdf); } // ② 直接下载 public function download(Request $request): Response { $html = '

发票

客户：永生花

'; $pdf = (new MpdfDriver())->htmlToPdf($html); return new Response(200, [ 'Content-Type' => 'application/pdf', 'Content-Disposition' => 'attachment; filename="invoice.pdf"', ], $pdf); } // ③ 保存到本地（或上传 OSS 前先落盘） public function save(Request $request): Response { $tpl = base_path('resource/templates/invoice.html'); $html = PdfHelper::loadTemplate($tpl, [ 'invoice_no' => 'INV' . date('YmdHis'), 'amount' => '12345.67', ]); $pdf = (new MpdfDriver())->htmlToPdf($html, [ 'css_files' => [ public_path('assets/pdf/invoice.css') ], 'asset_base'=> public_path('assets/pdf'), ]); $dir = runtime_path('pdf'); if (!is_dir($dir)) mkdir($dir, 0777, true); $path = $dir . '/invoice-' . date('YmdHis') . '.pdf'; file_put_contents($path, $pdf); return json(['path' => $path]); } }