phpstock/app/admin/model/ProcessWait.php

<?php


namespace app\admin\model;


class ProcessWait extends \think\model
{
   public  static function add($data){
        $da=self::find(['orderCode'=>$data['orderCode']]);
        if($da==false){
            self::insert($data);
        }else{
            self::where($da)->save($data);
        }
    }

}