thinkphp 获取器、修改器

<?php

namespace app\pagetest\model;

use think\Model;

class User extends Model
{
    // 获取器
    public function getSexAttr($value)
    {
        $sex = [0 => ‘未知‘, 1 => ‘男‘, 2 => ‘女‘];
        return $sex[$value];
    }
    // 修改器
    public function setSexAttr($value)
    {
        $sex = [‘未知‘=>0,‘男‘=>1,‘女‘=>2];
        return $sex[$value];
    }
}