qimall/common/helpers/MiniQrCode.php

<?php

/**
 * @link:http://www.gdqijianshi.com/
 * @copyright: Copyright (c) 2020 广东七件事集团
 * Created by PhpStorm
 * Author: ganxiaohao
 * Date: 2020-04-02
 * Time: 11:22
 */

namespace common\helpers;


use common\components\export\CsvTool;
use common\enums\RabbitMqEnum;
use common\models\common\Attachment;
use common\models\common\PosterCode;

class MiniQrCode
{

    public function getAppletQrCode($mall_id,$page, $scene)
    {
        $page = ltrim($page, '/');
        $url = '';
        /** @var Wechat $wechat */
        \Yii::$app->params['wechatMiniProgramConfig'] = \Yii::$app->services->setting->mall->get($mall_id, 'mini_program');

        $miniProgram = \Yii::$app->wechat->miniProgram;
        $response = $miniProgram->app_code->getUnlimit($scene, ['width' => 200, 'page' => $page]);
        if ($response instanceof \EasyWeChat\Kernel\Http\StreamResponse) {
            if (in_array('image/jpeg', $response->getHeader('Content-Type'))) {
                //返回base64图片
                $content = 'data:image/jpg;base64,'. base64_encode($response->getBody()->getContents());
                $path = \Yii::getAlias('@attachment') . '/download/qrcode';
                if (!file_exists($path)) {// 异步生成小程序图片文件夹
                    \Yii::$app->services->rabbitMq->push(RabbitMqEnum::EXCHANGE_TASK, RabbitMqEnum::TASK_QUEUE, ['path' => $path], PosterCode::class, 'mkdirQrcode');
                }
                $fileName = $this->base64_image_content($content, $path);
                if ($fileName == false){
                    \Yii::error('getAppletQrCode:文件名称不存在');
                    return false;

                }
                // 图片上传到云存储
                $csv = new CsvTool();
                $url = $csv->upload($mall_id, 'download/qrcode/' . $fileName);
                $config = \Yii::$app->services->attachment->getStorageConfig($mall_id);
                if ($config['drive'] != Attachment::DRIVE_LOCAL) unlink($path .'/'. $fileName);// 删除临时存储的文件
            } else {
                //返回文字
                \Yii::error('getAppletQrCode:获取失败：' . $response->getBody()->getContents());
                return false;
            }
        }else{
            \Yii::error('getAppletQrCode:'.$response['errmsg']);
            return false;
        }
        return $url;
    }

    function base64_image_content($base64_image_content,$path, $fileName = ''){
        try {
            //匹配出图片的格式
            if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $base64_image_content, $result)){
                $type = $result[2];
                if(!file_exists($path)){
                    //检查是否有该文件夹，如果没有就创建，并给予最高权限
                    mkdir($path, 0777);
                }

                $fileName = !empty($fileName) ? $fileName : md5(microtime(true));
                if (file_put_contents($path . '/' . $fileName. ".{$type}", base64_decode(str_replace($result[1],'', $base64_image_content)))){
                    return $fileName . ".{$type}";
                }else{
                    return false;
                }
            }else{
                return false;
            }
        } catch (\Exception $e) {
            return false;
        }
    }


}