PHP 生成透明图片透明海报二维码

雨点打透心脏的1/2处 2024-04-17 22:14 90阅读 0赞

/**
         * 生成车贴
         *
         */
        private function makeCarPoster($user_id)
        {
            $code ='邀请码';
            $code_url = 'http://www.xxx.com?id=' . $code;
            // 短链接
            vendor('autoload');  //tp框架引入微信插件
            $wx_qr = new \WeChat\Qrcode([
                'appid'     => '',
                'appsecret' => '',
                'mch_id'    => '',
                'mch_key'   => '',
            ]);
            $code_url = $wx_qr->shortUrl($code_url);
            if ($code_url['errcode'] !== 0) {
                if (empty($order)) $this->error('短链接生成失败');
            }
            $code_url = $code_url['short_url'];
    
            // 引入phpqrcode 生成二维码
            Vendor('phpqrcode.phpqrcode');
            // 生成二维码
            $file = 'Uploads/CarPoster/QRcode/' . $code . '.png';
            if (!file_exists($file)) {
                $url = urldecode($code_url);
                \QRcode::png($url, $file, 'L', 5, 0);   // $url 二维码内容  $file 保存路径  L容错  5 像素 0 外边距、外白边
            }
            $data = [
                'name'       => $code . '-' . date('YmdHis'),
                'bigImgPath' => "Uploads/CarPoster/6.png", // 海报、车贴背景图
                'qCodePath'  => $file,  // 二维码路径
                'left'       => '100',  // 二维码定位
                'top'        => '500',
            ];
            // 生成图保存目录
            $data['filename'] = 'Uploads/CarPoster/' . $data['name'] . ".png";
    
            $this->createImage($data);
            @unlink($file);// 删除二维码
            return $data;
        }
    
        /**
         * 创建图
         *
         * @param $data
         * Date: 2019/9/2
         * Time: 10:41
         * Author：sym
         */
        private function createImage($data)
        {
            $left = isset($data['left']) ? $data['left'] : 100;
            $top = isset($data['top']) ? $data['top'] : 100;
            
            // 背景资源
            $image = imagecreatefrompng($data['bigImgPath']);
            imagesavealpha($image, true);
            imagealphablending($image, false);
            imagefilter($image, IMG_FILTER_COLORIZE, 0, 0, 0, 0);
            // 二维码资源
            $qCodeImg = imagecreatefromstring(file_get_contents($data['qCodePath']));
            list($qCodeWidth, $qCodeHight, $qCodeType) = getimagesize($data['qCodePath']);
            imagecopymerge($image, $qCodeImg, $left, $top, 0, 0, $qCodeWidth, $qCodeHight, 100);
    
            imagepng($image, $data['filename'], 0);
            imagedestroy($image);
            imagedestroy($qCodeImg);
        }
    
        /**
         * 下载文件
         *
         * @param string $file_url
         * @param string $name
         * Date: 2019/8/29
         * Time: 09:51
         * Author：sym
         */
        private function downFile($file_url, $name)
        {
            $name = $name . '-' . date("Ymd-H:i:m");
            header("Content-type:  application/octet-stream ");
            header("Accept-Ranges:  bytes ");
            header("Content-Disposition:  attachment;  filename= {$name}.png");
            header("Accept-Length: " . readfile($file_url));
        }

[**phpqrcode**  http://phpqrcode.sourceforge.net/docs/html/index.html][phpqrcode_ http_phpqrcode.sourceforge.net_docs_html_index.html]

推荐看一下这个，功能很不错！

**GImage **[https://github.com/joseluisq/gimage][https_github.com_joseluisq_gimage]

[phpqrcode_ http_phpqrcode.sourceforge.net_docs_html_index.html]: http://phpqrcode.sourceforge.net/docs/html/index.html
[https_github.com_joseluisq_gimage]: https://github.com/joseluisq/gimage