<?php

namespace app\model;

use think\Model;

class InvoiceFinalReport extends Model
{


    public function getSumAmount($where)
    {
        $result = $this->where($where)->field('sum(`ydzse`) as ydzse_sum')->find();
        return $result['ydzse_sum'] ? number_format($result['ydzse_sum'], 2, '.', ',') : 0;
    }
}