<?php

namespace app\model;

use think\Model;

class FinalReportData extends Model
{

    public static function getFrdSumAmount($frd_id)
    {
        $res = self::where('frd_id', $frd_id)->field('sum(ydzse) as sum_amount')->find();
        return $res ? $res['sum_amount'] : 0;
    }

}