esign_serve/app/Models/SignContract.php

<?php

namespace App\Models;

use DateTimeInterface;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

/**
 * App\Models\Contract
 *
 * @mixin \Eloquent
 */
class SignContract extends Model
{
    use HasFactory;
    protected $guarded = ['id', 'updated_at', 'created_at'];


    /**
     * The table associated with the model.
     *
     * @var string
     */
    protected $table = 'sign_contracts';


    /**
     * 为数组 / JSON 序列化准备日期。
     *
     * @param \DateTimeInterface $date
     * @return string
     */
    protected function serializeDate(DateTimeInterface $date)
    {
        return $date->format($this->dateFormat ?: 'Y-m-d H:i:s');
    }

    private $statusEnum=[
        0=>'文件生成中',
        1=>'待签署',
        2=>'已签署',
        3=>'已撤销',
        4=>'已拒签',
        5=>'已过期',
        7=>'已拒签',
        10=>'签署失败',
    ];

    /**
     * 序列化数据字典
     */
    function initializeModel(){
        if($this->{'status'}!==null){
            $this->{'status_str'}=empty($this->statusEnum[$this->{'status'}])?'无':$this->statusEnum[$this->{'status'}];
        }
    }
}