mes-sdai-server-api/application/admin/model/stock/Stockout.php

<?php

namespace app\admin\model\stock;

use think\Model;

class Stockout extends Model {

    // 表名
    protected $name = 'stock_stockout';
    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';
    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';
    // 追加属性
    protected $append = [
    ];
    public function customer() {
        return $this->hasOne('\app\admin\model\stock\Customer', 'id', 'stock_customer_id', [], 'LEFT')->setEagerlyType(0);
    }

     //生成出库编号
     public function createdocnum()
     {
         $nowdate = date('Ymd', time());
         do{
             $randstr=rand(1000,9999);
             $docnum='XSD' . $nowdate.$randstr;
             $result = self::where('docnum',$docnum)->count();
         }while($result>0);
         return $docnum;
     }

}