$mpdf = new Mpdf(); // 设置字体为支持中文的TrueType字体 $mpdf->autoScriptToLang = true; $mpdf->autoLangToFont = true; $mpdf->autoVietnamese = true; $mpdf->autoArabic = true; $mpdf->WriteHTML($html); // $md5 = md5($html); $outputPath = pathinfo($output, PATHINFO_DIRNAME); if (!is_dir($outputPath)) @mkdir($outputPath, 0777, true); if (!is_dir($outputPath) || !is_writable($outputPath)) { return ['code' => 500, 'msg' => $outputPath . '需要写入权限']; } // 保存PDF文件 $mpdf->Output($output, 'F');