瞎几把记录

Model定义：（类型转换）

protected $casts = [ 'age' => 'integer' ];

<?php

namespace TrOrderModel;

/**
 * 售后退款单模型
 *
 * @author llh
 */
class AfterSaleModel extends Model
{
    /**
     * 表名
     *
     * @var string
     */
    protected $table = 'after_sale';

    /**
     * 字段转换
     *
     * @var array
     */
    protected $casts = [
        'images' => 'json'
    ];



    /**
     * 关联退货物流表
     *
     * @return IlluminateDatabaseEloquentRelationsHasOne
     */
    public function delivery()
    {
        return $this->hasOne(AfterSaleDeliveryModel::class, 'after_sale_bn', 'bn');
    }

    /**
     * 关联退款流水表
     *
     * @return IlluminateDatabaseEloquentRelationsHasOne
     */
    public function flow()
    {
        return $this->hasOne(RefundFlowModel::class, 'after_sale_bn', 'bn');
    }

    /**
     * 关联自身
     *
     * @return IlluminateDatabaseEloquentRelationsHasMany
     */
    public function self()
    {
        return $this->hasMany(self::class, 'order_good_no', 'order_good_no');
    }

    /**
     * 关联兄弟
     *
     * @return IlluminateDatabaseEloquentRelationsHasMany
     */
    public function siblings()
    {
        return $this->hasMany(self::class,'order_shop_no', 'order_shop_no');
    }
}