vendor/topthink/think-orm/src/model/concern/Conversion.php

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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2019 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace think\model\concern;

use think\Collection;
use think\db\exception\DbException as Exception;
use think\helper\Str;
use think\Model;
use think\model\Collection as ModelCollection;
use think\model\relation\OneToOne;

/**
 * 模型数据转换处理
 */
trait Conversion
{
    /**
     * 数据输出显示的属性
     * @var array
     */
    protected $visible = [];

    /**
     * 数据输出隐藏的属性
     * @var array
     */
    protected $hidden = [];

    /**
     * 数据输出需要追加的属性
     * @var array
     */
    protected $append = [];

    /**
     * 场景
     * @var array
     */
    protected $scene = [];

    /**
     * 数据输出字段映射
     * @var array
     */
    protected $mapping = [];

    /**
     * 数据集对象名
     * @var string
     */