hainan/app/Models/BaseModel.php

<?php

namespace App\Models;
use Illuminate\Database\Eloquent\Model;

class BaseModel extends Model
{
	protected $dateFormat = 'U';
	protected $host = '';

	public function __construct(array $attributes = [])
	{
		parent::__construct($attributes);
		$this->host = env('APP_URL');
	}

	# 不转换时间戳，若使用getUpdatedAtColumn，则不能自动写入时间戳
    public function getUpdatedAtAttribute($value)
	{
    	return strtotime($value);
	}

    # 不转换时间戳，若使用getUpdatedAtColumn，则不能自动写入时间戳
    public function getCreatedAtAttribute($value)
	{
		return strtotime($value);
	}
}