212 lines
7.4 KiB
PHP
212 lines
7.4 KiB
PHP
<?php
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// app/service/pdf/MpdfDriver.php
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namespace app\common\utils\pdf\service;
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use Mpdf\Mpdf;
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use Mpdf\Config\ConfigVariables;
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use Mpdf\Config\FontVariables;
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use Mpdf\HTMLParserMode;
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class MpdfDriver
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{
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public function htmlToPdf(string $html, array $options = []): string
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{
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$opts = array_merge([
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'format' => 'A4',
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'orientation' => 'L',
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'margin_top' => 12,
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'margin_bottom' => 12,
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'margin_left' => 10,
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'margin_right' => 10,
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'tempDir' => runtime_path('mpdf'),
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'header_html' => '',
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'footer_html' => '',
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'watermark_text' => '',
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'css_files' => [],
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'default_font' => 'notosanssc',
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'font_dirs' => [public_path('fonts')],
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'font_data' => [
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'notosanssc' => ['R' => 'NotoSansSC-Regular.ttf', 'B' => 'NotoSansSC-Bold.ttf'],
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],
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'asset_base' => '',
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'enable_html5_parser' => true,
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], $options);
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$defaultConfig = (new ConfigVariables())->getDefaults();
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$defaultFontConfig = (new FontVariables())->getDefaults();
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$fontDirs = array_merge($defaultConfig['fontDir'], $opts['font_dirs']);
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$fontData = array_merge($defaultFontConfig['fontdata'], $opts['font_data']);
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$mpdf = new Mpdf([
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'format' => $opts['format'],
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'orientation' => $opts['orientation'],
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'margin_left' => $opts['margin_left'],
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'margin_right' => $opts['margin_right'],
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'margin_top' => $opts['margin_top'],
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'margin_bottom' => $opts['margin_bottom'],
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'tempDir' => $opts['tempDir'],
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'fontDir' => $fontDirs,
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'fontdata' => $fontData,
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'default_font' => $opts['default_font'],
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'enable_html5_parser' => $opts['enable_html5_parser'],
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]);
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if ($opts['header_html']) $mpdf->SetHTMLHeader($opts['header_html']);
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if ($opts['footer_html']) $mpdf->SetHTMLFooter($opts['footer_html']);
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if (!empty($opts['watermark_text'])) {
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$mpdf->SetWatermarkText($opts['watermark_text']);
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$mpdf->showWatermarkText = true;
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$mpdf->watermarkTextAlpha = 0.08;
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}
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// 资源绝对化（如果你有相对路径的图片等）
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$html = PdfHelper::absolutizeAssetUrls($html, $opts['asset_base']);
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// === 关键改动：把 <style>…</style> 抽出来，作为 HEADER_CSS 写入 ===
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[$inlineCss, $cleanHtml] = $this->extractCssAndCleanHtml($html);
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// 先写外部 css_files
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if (!empty($opts['css_files'])) {
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foreach ($opts['css_files'] as $cssFile) {
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if (is_file($cssFile)) {
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$mpdf->WriteHTML(file_get_contents($cssFile), HTMLParserMode::HEADER_CSS);
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}
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}
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}
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// 再写内联 <style> 的 CSS
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if ($inlineCss !== '') {
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$mpdf->WriteHTML($inlineCss, HTMLParserMode::HEADER_CSS);
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}
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// 最后写 HTML 正文（已剔除 <style>，避免任何情况下把 CSS 当文字打印）
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$mpdf->WriteHTML($cleanHtml, HTMLParserMode::HTML_BODY);
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return $mpdf->Output('', \Mpdf\Output\Destination::STRING_RETURN);
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}
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/**
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* 把所有 <style>...</style> 的内容拼成一段 CSS，并把这些 <style> 标签从 HTML 中移除
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* @return array{0:string,1:string} [css, htmlWithoutStyle]
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*/
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private function extractCssAndCleanHtml(string $html): array
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{
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$cssParts = [];
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// 抓取所有 <style ...>...</style>，DOTALL 支持跨行
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if (preg_match_all('/<style\b[^>]*>(.*?)<\/style>/is', $html, $m)) {
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foreach ($m[1] as $block) {
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// 去掉 HTML 注释，以防注释把 CSS 包起来
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$block = preg_replace('/<!--|-->/', '', $block);
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$cssParts[] = trim($block);
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}
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// 从 HTML 删除所有 <style> 块
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$html = preg_replace('/<style\b[^>]*>.*?<\/style>/is', '', $html);
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}
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$css = implode("\n\n", $cssParts);
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// 额外保险：把 <head> 也清理掉，防止某些解析器把 head 里残余文本当正文
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$html = preg_replace('/<head\b[^>]*>.*?<\/head>/is', '', $html);
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// 确保剩余 HTML 有 <body>，没有就包一层
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if (!preg_match('/<body\b/i', $html)) {
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$html = '<body>' . $html . '</body>';
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}
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return [$css, $html];
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}
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public function exportUsedCarPdf($field,$car,$user,$contactField,$contact,$lang)
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{
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/*$car = [
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'product_name' => '奥迪Q3 2013款 35 TFSI 舒适型',
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'vin' => '',
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'price' => 450000,
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'source_city' => '北京',
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'register_city' => '随州',
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'register_date' => '2026-01-05',
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'displacement' => '2.1T',
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'mileage' => 45000,
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'power' => 350,
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'color' => '',
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'created_at' => '2026-01-05 17:23:34',
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'images' => [
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'https://xxx.com/1.jpg',
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'https://xxx.com/2.jpg',
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'https://xxx.com/3.jpg',
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],
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'description' => '该车内饰干净整洁，车况精品...'
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];*/
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ob_start();
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//include app_path() . '/view/pdf/car_detail_pdf.php';
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$tpl = base_path('app/common/utils/pdf/template/usedCar.stub');
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include $tpl;
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$html = ob_get_clean();
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$mpdf = new Mpdf([
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'mode' => 'utf-8',
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'format' => 'A4',
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'margin_top' => 10,
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'margin_bottom' => 10,
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'margin_left' => 10,
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'margin_right' => 10,
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'default_font' => 'sun-exta'
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]);
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$mpdf->SetProtection(//限制篡改或盗用
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['print'], // 允许的权限 copy:允许复制、print:允许打印
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'', // 用户密码（可留空）
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$car['code'] // 拥有者密码（一定要设置）
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);
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//设置水印
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$mpdf->SetWatermarkText(
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$user['name_en'] ,
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0.08
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);
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$mpdf->showWatermarkText = true;
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// 1️⃣ 车辆基本信息 HTML
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$mpdf->WriteHTML($html);
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// 2️⃣ 追加附件pdf
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foreach ($car['attachment'] as $attachment) {
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$this->appendPdf($mpdf,$attachment);
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}
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ob_start();
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$cardTpl = base_path('app/common/utils/pdf/template/contactCard.stub');
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include $cardTpl;
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$cardHtml = ob_get_clean();
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// 3️⃣ 新增一页：名片页
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$mpdf->AddPage();
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$mpdf->WriteHTML($cardHtml);
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$pdf = $mpdf->Output('车辆详情.pdf', 'S');
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$dir = runtime_path('pdf');
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if (!is_dir($dir)) mkdir($dir, 0777, true);
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$pdfName = 'invoice-' . $car['code'].'-'.$car['id'] . '-' . $lang . '.pdf';
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$path = $dir . '/' . $pdfName;
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file_put_contents($path, $pdf);
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return $pdfName;
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}
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public function appendPdf(Mpdf $mpdf, string $pdfPath)
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{
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$pageCount = $mpdf->SetSourceFile($pdfPath);
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for ($i = 1; $i <= $pageCount; $i++) {
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$tplId = $mpdf->ImportPage($i);
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$size = $mpdf->getTemplateSize($tplId);
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$mpdf->AddPageByArray([
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'orientation' => $size['orientation'],
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'sheet-size' => [$size['width'], $size['height']]
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]);
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$mpdf->UseTemplate($tplId);
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}
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}
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} |