amb_wechatapp/application/common/library/share/Qrsharecode.php

<?php

namespace app\common\library\share;
use think\Loader;
Loader::import('PhpQrcode.phpqrcode',EXTEND_PATH,'.php');
/**
 * 二维码
 */
class Qrsharecode
{

    /**
     * 生成二维码
     * @param $src
     * @return void
     */
    public static function mkQrcode($src){

        $qrcodeLib = new \QRcode();

        ob_start();

        $errorLevel = 'H';
        $size = 4;

        $qrcodeLib::png($src,false,$errorLevel,$size);
        $imgSrc = base64_encode(ob_get_contents());
        ob_end_clean();

        return $imgSrc;
    }

    /**
     * 生成小程序码
     * @param $src
     * @return void
     */
    public static function mkMpCode($page,$scene){

        $wechat = new \app\common\library\Wechat('wxMiniProgram');
        try{
            $pageParams = [
                'page'  => $page,
                'width'=>100
            ];

            if($scene){
                $pageParams['scene'] = $scene;
            }

            $code = $wechat->getApp()->app_code->getUnlimit('scene-value', $pageParams);
        }catch (\Exception $e){
            return false;
        }

        if(!$code || !is_object($code)){
            return false;
        }
        $random = rand(1,9999);

        $path = MODULE_ROOT."/public/uploads/poster/".$random.".png";

        $filename = $code->saveAs(MODULE_ROOT."/public/uploads/poster/",$random. ".png");

        if($filename){
            $data = base64_encode(file_get_contents($path));
            unlink($path);
            return $data;
        }
        return false;
    }

    /**
     * 生成抖音小程序码
     * @param $src
     * @return void
     */
    public static function mkDouyinMpCode($page,$scene){
        $dyMiniProgramConfig = \app\common\model\config\System::getConfig('dyMiniProgram');

        $result = \douyin\Byte::init([
            'app_id'=>$dyMiniProgramConfig['appid'],
            'secret'=>$dyMiniProgramConfig['secret'],
        ])->qrcode($page.'?'.$scene);



        if(!$result ||( is_array($result) && isset($result['errcode']))){
            return base64_encode(file_get_contents(MODULE_ROOT.'/public/assets/image/avatar.png'));
        }

        try{
            $random = rand(1,9999);
            $path = MODULE_ROOT."/public/uploads/poster/".$random.".png";
            file_put_contents($path, $result, true);
            $data = base64_encode(file_get_contents($path));
            unlink($path);
            return $data;
        }catch (\Exception $e){
            return base64_encode(file_get_contents(MODULE_ROOT.'/public/assets/image/avatar.png'));
        }
//        $random = rand(1,9999);
//        $path = MODULE_ROOT."/public/uploads/poster/".$random.".png";
//        file_put_contents($path, $result, true);
//        $data = base64_encode(file_get_contents($path));
//        unlink($path);
//        return $data;
    }


    /**
     * 获取小程序码
     * @param $type
     * @param $val
     * @return false|null
     */
    public static function getMpCode($type,$val=0,$platform = 'wechat'){
        switch ($type){
            case 'course':
                $type = 'goods';
                $params = [
                    'goods_id'=>$val
                ];
                break;

            case 'evaluation':
            case 'exercises':
                $type = 'exercises';
                $params = [
                    'id'=>$val
                ];
                break;
            case 'test':
                $type = 'test';
                $params = [
                    'id'=>$val
                ];
                break;
            case 'coupon':
                $type = 'coupon';
                $params = [
                    'id'=>$val
                ];
                break;
            case 'page':
                $params = [
                    'id'=>$val,
                    'path'=>'pages/index/index'
                ];
                break;
            case 'group':
                $type = 'page';
                $params = [
                    'id'=>$val,
                    'path'=>'pages/course/group/group'
                ];
                break;
            case 'vipcard':
                $type = 'page';
                $params = [
                    'id'=>$val,
                    'path'=>'pages/app/vip/center/center'
                ];
                break;
            case 'activity':
                $type = 'activity';
                $params = [
                    'id'=>$val,
                    'path'=>'pages/app/activity/detail/detail'
                ];
                break;
            case 'physical':
                $type = 'physical';
                $params = [
                    'id'=>$val,
                    'path'=>'pages/app/physical/detail/detail'
                ];
                break;
            case 'index':
                $type = 'page';
                $params = [
                    'path'=>'pages/index/index'
                ];
                break;
        }

        $data = \app\common\library\share\Links::getMpLink($type,$params);

        if($platform == 'wechat'){
            $qrCode = self::mkMpCode($data['link'],$data['params']);
        }else{
            $qrCode = self::mkDouyinMpCode($data['link'],$data['params']);
        }

        return $qrCode;
    }
}