PDF¶

Referencia:http://www.bsourcecode.com/yiiframework2/create-pdf-files-using-mpdf-in-yiiframework-2-0/

 "require": {
      "php": ">=5.4.0",
      "yiisoft/yii2": "*",
      "yiisoft/yii2-bootstrap": "*",
      "yiisoft/yii2-swiftmailer": "*",
"mpdf/mpdf":"*" 
  },

composer update

Agregar en ‘vendor/composer/autoload_namespaces.php’ la linea en el arreglo

'mPDF' => array($vendorDir . '/mpdf/mpdf'),

En el controlador SiteController.php

...............
use app\models\ContactForm;
use mPDF;
class SiteController extends Controller
{
...............
    public function actionCreateMPDF(){
        $mpdf=new mPDF();
        $mpdf->WriteHTML($this->renderPartial('mpdf'));
        $mpdf->Output();
        exit;
        //return $this->renderPartial('mpdf');
    }
    public function actionSamplePdf() {
        $mpdf = new mPDF;
        $mpdf->WriteHTML('Sample Text');
        $mpdf->Output();
        exit;
    }
    public function actionForceDownloadPdf(){
        $mpdf=new mPDF();
        $mpdf->WriteHTML($this->renderPartial('mpdf'));
        $mpdf->Output('MyPDF.pdf', 'D');
        exit;
    }