composer required kartik-v/yii2-mpdf

//配置字体目录
'fontDir' => array_merge($fontDirs, [
 Yii::getAlias('@common/pdf/fonts'),
]),
//配置字体
'fontdata' => ArrayHelper::merge($fontData, [
 'sun-exta' => [
  'R' => 'my.ttf',
  'sip-ext' => 'sun-extb',
 ]
]),

'fontdata' => ArrayHelper::merge($fontData, [ 
 'my' => [
  'R' => 'my.ttf',
 ],
]),

//配置字体文件目录
 'fontDir' => array_merge($fontDirs, [
 Yii::getAlias('@common/pdf/fonts'),
]),
'fontdata' => ArrayHelper::merge($fontData, [
 //配置全局字体
 'sun-exta' => [
  'R' => 'msyh.ttf',
  'sip-ext' => 'sun-extb',
 ],
 //配置指定信息的字体
 'my' => [
  'R' => 'my.ttf',
 ],
]),

$pdf = new Pdf([
 'mode' => Pdf::MODE_UTF8,
 'cssFile' => '@common/pdf/assets/score-mpdf.css',//css文件地址
 //mpdf配置
 'options' => [
  'debug' => true,
  'autoScriptToLang' => true,
  'autoLangToFont' => true,
  'ignore_invalid_utf8' => true,
  'baseScript' => \Mpdf\Ucdn::SCRIPT_HAN,
  'tabSpaces' => 4,
  'fontDir' => array_merge($fontDirs, [
   Yii::getAlias('@common/pdf/fonts'),//字体文件目录
  ]),
  'fontdata' => ArrayHelper::merge($fontData, [
   'sun-exta' => [
    'R' => 'msyh.ttf',
    'sip-ext' => 'sun-extb',
   ],
   'my' => [
    'R' => 'my.ttf',
   ],
  ]),
 ]
]);
$content = $this->renderPartial('@common/pdf/score.php', [
 'user' => $model,//传递的信息
]);
$fileName = '测试pdf.pdf';
return $pdf->output($content, $fileName, Pdf::DEST_DOWNLOAD);