<?php
// +----------------------------------------------------------------------
// | 调用卡券领取接口
// +----------------------------------------------------------------------
namespace WxApi\Controller;
use Think\Controller;

class CardController extends Controller
{
    /*
     * @parem $data 推送数据
     */
    public function updateCard($data){
        $card_id  = $data['CardId'];
////        file_put_contents('./1.txt', $card_id, FILE_APPEND);
//        //判断$card_id是否存在wxcard表，如果存在，则减少库存
        $find = M('wxcard')->where(array('card_id'=>$card_id))->getField('card_id');
        if($find){
            $setDec = M('wxcard')->where(array('card_id'=>$find))->setDec('quantity',1);
        }


    }
}