book_admin/application/common/model/ManageTitle.php

<?php

namespace app\common\model;

use think\Model;

class ManageTitle extends Model
{
    // 表名
    protected $table = 'manage_title';
    
    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';

    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';
    
    // 追加属性
    protected $append = [
        'status_text',
        'sex_text'
    ];


    public function getStatusList()
    {
        return ['normal' => '显示','hidden' => '隐藏'];
    }

    public function getSexList()
    {
        return ['1' => '男频', '2' => '女频', '3'=> '活动'];
    }

    public function getStatusTextAttr($value, $data)
    {        
        $value = $value ? $value : $data['status'];
        $list = $this->getStatusList();
        return isset($list[$value]) ? $list[$value] : '';
    }

    public function getSexTextAttr($value, $data)
    {
        $value = $value ? $value : $data['sex'];
        $list = $this->getSexList();
        return isset($list[$value]) ? $list[$value] : '';
    }

    /**
     * 随机获取一个标题
     *
     * @author liues@dianzhong.com
     * @date 2018-08-24 10:21:33
     * @param array $sex
     * @return mixed
     */
    public function getRandTitle(array $sex = [1,2,3]){
        $where = ['status' => 'normal', 'sex' => ['in', $sex]];
        $ids = $this->where($where)->column('id');
        if($ids){
            $id = $ids ? array_rand($ids) : 0;
            $title = $this->where(['id' => $ids[$id]])->value('title');
            return $title;
        }
        return null;
    }

}