useds/app/common/model/UsedCar.php

<?php

namespace app\common\model;

use support\Model;

class UsedCar extends Model
{
    /**
     * The connection name for the model.
     *
     * @var string|null
     */
    protected $connection = 'mysql';
    
    /**
     * The table associated with the model.
     *
     * @var string
     */
    protected $table = 'used_car';

    /**
     * The primary key associated with the table.
     *
     * @var string
     */
    protected $primaryKey = 'id';

    /**
     * Indicates if the model should be timestamped.
     *
     * @var bool
     */
    public $timestamps = true;
    
    
    protected $dateFormat = 'U';

    /**
     * 允许自动填充模型字段
     */
    protected $fillable = ['id','code', 'user_id', 'product_name', 'vin', 'price', 'source_place', 'plate_place', 'plate_time', 'displacement','mileage','power', 'body_color', 'images', 'condition_desc', 'attachment', 'crawl_title', 'crawl_brand', 'crawl_brand_id', 'crawl_series', 'crawl_series_id', 'crawl_year', 'crawl_msrp', 'crawl_car_id', 'status', 'sort', 'created_at', 'updated_at'];

    /**
     * 不允许自动填充模型字段
     */
    protected $guarded = [];
}