odd_job/app/common/model/Attachment.php

<?php
namespace app\common\model;

use think\Model;

class Attachment extends Model
{
	// 设置字段信息
    protected $schema = [
        'id'          => 'int',
		'filename'    => 'string',
		'atype'       => 'tinyint',
        'attachment'  => 'string',
        'createtime'  => 'int'
    ];
	
	// 设置字段自动转换类型
	protected $type = [
        'createtime'  => 'timestamp:Y-m-d H:i:s'
    ];
	
	
}