Thinkphp5快速生成二维码

引入use Endroid\QrCode\QrCode;

 /*
    *生成二维码
    */
    public function build()
    {
        $text = $this->request->get('url', 'https://www.baidu.com/');
        $size = $this->request->get('size', 250);
        $padding = $this->request->get('padding', 15);
        $errorcorrection = $this->request->get('errorcorrection', 'medium');
        $foreground = $this->request->get('foreground', "#ffffff");
        $background = $this->request->get('background', "#000000");
        $logo = $this->request->get('logo');
        $logosize = $this->request->get('logosize');
        $label = $this->request->get('label');
        $labelfontsize = $this->request->get('labelfontsize');
        $labelhalign = $this->request->get('labelhalign');
        $labelvalign = $this->request->get('labelvalign');

        // 前景色
        list($r, $g, $b) = sscanf($foreground, "#%02x%02x%02x");
        $foregroundcolor = ['r' => $r, 'g' => $g, 'b' => $b];

        // 背景色
        list($r, $g, $b) = sscanf($background, "#%02x%02x%02x");
        $backgroundcolor = ['r' => $r, 'g' => $g, 'b' => $b];

        $qrCode = new QrCode();
        $qrCode
            ->setText($text)
            ->setSize($size)
            ->setPadding($padding)
            ->setErrorCorrection($errorcorrection)
            ->setForegroundColor($foregroundcolor)
            ->setBackgroundColor($backgroundcolor)
            ->setLogoSize($logosize)
            ->setLabel($label)
            ->setLabelFontSize($labelfontsize)
            ->setLabelHalign($labelhalign)
            ->setLabelValign($labelvalign)
            ->setImageType(QrCode::IMAGE_TYPE_PNG);
        $fontPath = ROOT_PATH . 'public/assets/fonts/SourceHanSansK-Regular.ttf';
        if (file_exists($fontPath)) {
            $qrCode->setLabelFontPath($fontPath);
        }
        if ($logo) {
            $qrCode->setLogo(ROOT_PATH . 'public/assets/img/qrcode.png');
        }
        $filename = '/uploads/erweicode/' . time().mt_rand(1000,9999).'.png';
       // $url = $qrCode->save($filename);
                $qrCode->save(ROOT_PATH . 'public' . $filename);
        return $filename;
        //dump($url);die;
        //也可以直接使用render方法输出结果
        //$qrCode->render();
        //return new Response($qrCode->get(), 200, ['Content-Type' => $qrCode->getContentType()]);
    }

把qrcode放到addons下