yuanshan/application/admin/controller/Product.php

<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;
use GuzzleHttp\Client;
use app\common\library\Wechat;
/**
 * 商品
 *
 * @icon fa fa-circle-o
 */
class Product extends Backend
{

    /**
     * Product模型对象
     * @var \app\admin\model\Product
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Product;
        $this->view->assign("isShowList", $this->model->getIsShowList());
        $this->view->assign("isRecommendList", $this->model->getIsRecommendList());
        $this->view->assign("jxtypeList", $this->model->getJxtypeList());
    }



    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */


    /**
     * 查看
     */
    public function index()
    {
        //当前是否为关联查询
        $this->relationSearch = true;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

            $list = $this->model
                    ->with(['procate','protag','productxieyi'])
                    ->where($where)
                    ->order($sort, $order)
                    ->paginate($limit);

            foreach ($list as $row) {
                
                $row->getRelation('procate')->visible(['name']);
				$row->getRelation('protag')->visible(['name']);
				$row->getRelation('productxieyi')->visible(['name']);
            }

            $result = array("total" => $list->total(), "rows" => $list->items());

            return json($result);
        }
        return $this->view->fetch();
    }

    /**
     * 经销商码
     */
    public function jxqrcode(){
        $id = input('id',0);

        $product = Db::name('product')->where('id',$id)->find();

        $codeurl = $this->getMiniCode($product['id'],$product);

        $this->view->assign("codeurl", $codeurl.'?v='.time());
        $this->view->assign("product", $product);

        return $this->view->fetch();
    }

    //仅返回套餐二维码
    //https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/qrcode-link/qr-code/getUnlimitedQRCode.html
    private function getMiniCode($id,$package = [])
    {
        $httpStr = $_SERVER['REQUEST_SCHEME'].'://'.$_SERVER['HTTP_HOST'];
        //if (empty($package) || empty($package['mini_code'])) {

            $wechat_config = config('wxMiniProgram');
            $wechat = new Wechat($wechat_config['appid'],$wechat_config['secret']);
            $tk = $wechat->getPublicAccessToken();

            $miniCodeConfig = config('mini_code');
            $miniCodeConfig['scene'] = 'id='.$id;

            $res2 = curl_post('https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token='.$tk,json_encode($miniCodeConfig));

            $fileName = md5($id);
            $fileUrl = '/uploads/product/'.$fileName.'.png';
            $code = $res2;
            file_put_contents(ROOT_PATH.'/public'.$fileUrl,$code);

            $miniCode = $httpStr.$fileUrl;
        /*} else {
            $miniCode = $httpStr.$package['mini_code'];
        }*/
        return $miniCode;
    }

}