'A4',
'orientation' => 'L',
'margin_top' => 12,
'margin_bottom' => 12,
'margin_left' => 10,
'margin_right' => 10,
'tempDir' => runtime_path('mpdf'),
'header_html' => '',
'footer_html' => '',
'watermark_text' => '',
'css_files' => [],
'default_font' => 'notosanssc',
'font_dirs' => [public_path('fonts')],
'font_data' => [
'notosanssc' => ['R' => 'NotoSansSC-Regular.ttf', 'B' => 'NotoSansSC-Bold.ttf'],
],
'asset_base' => '',
'enable_html5_parser' => true,
], $options);
$defaultConfig = (new ConfigVariables())->getDefaults();
$defaultFontConfig = (new FontVariables())->getDefaults();
$fontDirs = array_merge($defaultConfig['fontDir'], $opts['font_dirs']);
$fontData = array_merge($defaultFontConfig['fontdata'], $opts['font_data']);
$mpdf = new Mpdf([
'format' => $opts['format'],
'orientation' => $opts['orientation'],
'margin_left' => $opts['margin_left'],
'margin_right' => $opts['margin_right'],
'margin_top' => $opts['margin_top'],
'margin_bottom' => $opts['margin_bottom'],
'tempDir' => $opts['tempDir'],
'fontDir' => $fontDirs,
'fontdata' => $fontData,
'default_font' => $opts['default_font'],
'enable_html5_parser' => $opts['enable_html5_parser'],
]);
if ($opts['header_html']) $mpdf->SetHTMLHeader($opts['header_html']);
if ($opts['footer_html']) $mpdf->SetHTMLFooter($opts['footer_html']);
if (!empty($opts['watermark_text'])) {
$mpdf->SetWatermarkText($opts['watermark_text']);
$mpdf->showWatermarkText = true;
$mpdf->watermarkTextAlpha = 0.08;
}
// 资源绝对化（如果你有相对路径的图片等）
$html = PdfHelper::absolutizeAssetUrls($html, $opts['asset_base']);
// === 关键改动：把 抽出来，作为 HEADER_CSS 写入 ===
[$inlineCss, $cleanHtml] = $this->extractCssAndCleanHtml($html);
// 先写外部 css_files
if (!empty($opts['css_files'])) {
foreach ($opts['css_files'] as $cssFile) {
if (is_file($cssFile)) {
$mpdf->WriteHTML(file_get_contents($cssFile), HTMLParserMode::HEADER_CSS);
}
}
}
// 再写内联 的内容拼成一段 CSS，并把这些 ，DOTALL 支持跨行
if (preg_match_all('/]*>(.*?)<\/style>/is', $html, $m)) {
foreach ($m[1] as $block) {
// 去掉 HTML 注释，以防注释把 CSS 包起来
$block = preg_replace('//', '', $block);
$cssParts[] = trim($block);
}
// 从 HTML 删除所有