project/app/cxinv/model/ProductSeal.php

<?php
namespace app\cxinv\model;

use think\model\concern\SoftDelete;
class ProductSeal extends Base
{
    use SoftDelete;
//设置字段信息
    protected $schema = [
        'id'  =>'bigint',//
        'product_id'  =>'bigint',//商品id
        'skuCode'  =>'varchar',//商品编号
        'goodName'  =>'varchar',//商品名称
        'spec'  =>'varchar',//规格
        'unit'  =>'varchar',//单位
        'unit_price'  =>'decimal',//单价
        'begin_num'  =>'decimal',//期初数据
        'in_num'  =>'decimal',//收入数据
        'out_num'  =>'decimal',//发出数据
        'balance_num'  =>'decimal',//结存数据
        'fz_id'  =>'bigint',//封账id
        'create_time'  =>'datetime',//
        'update_time'  =>'datetime',//
        'delete_time'  =>'datetime',//
       ];
    protected $createTime = 'create_time';
    protected $updateTime = 'update_time';
    protected $deleteTime = 'delete_time';
    protected $append=['begin_total_price','in_total_price','out_total_price','balance_total_price'];
    public function PorductFz(){
        return $this->belongsTo(ProductFz::class,'fz_id','id');
    }

    public function Porduct(){
        return $this->belongsTo(FinancialProducts::class,'product_id','id');
    }
    public function getBeginTotalPriceAttr($value,$data){
        return bcmul($data['begin_num'],$data['unit_price'],15);
    }

    public function getInTotalPriceAttr($value,$data){
        return bcmul($data['in_num'],$data['unit_price'],15);
    }
    public function getOutTotalPriceAttr($value,$data){
        return bcmul($data['out_num'],$data['unit_price'],15);
    }
    public function getBalanceTotalPriceAttr($value,$data){
        return bcmul($data['balance_num'],$data['unit_price'],15);
    }
}