tp5 thinkphp phpqrcode generated using a two-dimensional code with Logo

 

1 download generate two-dimensional code library

composer require aferrandini/phpqrcode

 

2 Click the button to download

 //二维码下载
        public function down_qrcode()
        {
            if($this->request->isPost()){
                $shop_id = input('shop_id');
                $merchant_id = Db::table('xcf_shops')->where('shop_id',$shop_id)->value('merchant_id');
                if($merchant_id){
                    $url = 'xcf'.$merchant_id; //二维码内容
                    $pic =  $this->scerweima1($url);
                    return $pic; 
                } The else {
                     return JSON ([ 'S' => 'error', 'MSG' => 'merchant_id does not exist, please review rich friends' ]); 
                } 
            } 

        }

 

 

// generates a two-dimensional code 
        // 2 plus logo (an image file generation) generated in a two-dimensional code. 
        Public  function scerweima1 ( $ text ) {
             // echo 'Hee'; Die; 
           // the dump (APP_XCF_LOG.'xcf .png '); Die; 
            //Vendor('chillerlan.php-qrcode.public.qrcode'); 
            // pathname = DATE $ ( "Ymd", Time ()); 
            $ pathname = APP_PATH '/../. public / Upload / qrcode / ' ;
             IF (! is_dir ( $ pathname {)) // if the directory does not exist it is created 
                mkdir ( $ pathname , 0777, to true ); 
            } 

            $ errorCorrectionLevel= 'H';   // fault tolerance level 
            $ matrixPointSize = 10;       // generates a picture size 
            // dimensional code image generated 
            $ ABC = DATE ( "Ymd", Time ()). Time () 'PNG.'. ;
             $ filename = $ pathname . $ ABC ; 
            \ PHPQRCode \ QRcode :: PNG ( $ text , $ filename , $ errorCorrectionLevel , $ matrixPointSize , 2 );
             $ logo = APP_PATH '/../public/assets/xcf_log/xcf.png. '; // ready logo image
           The dump // (APP_XCF_LOG.'xcf.png '); Die; 
            // the dump ($ logo); Die; 
            $ the QR = $ filename ;       // already generated original two-dimensional code pattern 
           // the dump ($ the QR); 
            IF ( the file_exists ( $ logo )) {
                 $ the QR = imagecreatefromstring ( file_get_contents ( $ the QR ));     // target image connection resources. 
                logo $ = imagecreatefromstring ( file_get_contents ( $ logo ));   // source image connection resources. 
                QR_width $ = imagesx ( $ QR );       // two-dimensional code image width 
                $ QR_heightImagesy = ( $ the QR );      // two-dimensional code image height 
                $ logo_width = imagesx ( $ logo );     // logo image width 
                $ logo_height = imagesy ( $ logo );    // logo image height 
                $ logo_qr_width = $ QR_width /. 4;    // logo after the combined width (1/5 of the two-dimensional code) 
                $ scale = $ logo_width / $ logo_qr_width ;   // logo width scaling ratio (width after itself width / composition) 
                $ logo_qr_height = $ logo_height / $ scale ; // logo after the combined height 
                $ from_width = ( $ QR_width- $ logo_qr_width ) / 2;   // left corner coordinates of the point where the logo after combining 
                // recombined image and resize 
                / * 
                 * imagecopyresampled () a rectangular portion of an image (image source) is copied to another image in 
                 * / 
                imagecopyresampled ( $ the QR , $ logo , $ from_width , $ from_width , 0, 0, $ logo_qr_width , $ logo_qr_height , $ logo_width , $ logo_height ); 
            } 
            // output image 
            imagepng ( $ the QR , $ filename ); 
            
            return Request () -> domain () ' / upload / qrcode /'..$abc;
        }