NN2025112501/app/Services/Api/NoticeService.php

<?php
// +----------------------------------------------------------------------
// | LARAVEL8.0 框架 [ LARAVEL ][ RXThinkCMF ]
// +----------------------------------------------------------------------
// | 版权所有 2017~2021 LARAVEL研发中心
// +----------------------------------------------------------------------
// | 官方网站: http://www.laravel.cn
// +----------------------------------------------------------------------
// | Author: laravel开发员 <laravel.qq.com>
// +----------------------------------------------------------------------

namespace App\Services\Api;

use App\Models\NoticeModel;
use App\Services\BaseService;
use App\Services\RedisService;

/**
 * 通知公告-服务类
 * @author laravel开发员
 * @since 2020/11/11
 * Class NoticeService
 * @package App\Services\Api
 */
class NoticeService extends BaseService
{
    // 静态对象
    protected static $instance = null;

    /**
     * 构造函数
     * @author laravel开发员
     * @since 2020/11/11
     * NoticeService constructor.
     */
    public function __construct()
    {
        $this->model = new NoticeModel();
    }

    /**
     * 静态入口
     */
    public static function make()
    {
        if (!self::$instance) {
            self::$instance = new static();
        }
        return self::$instance;
    }

    /**
     * 列表
     * @param int $num
     * @return array|mixed
     */
    public function getDataList($num = 9)
    {
        $cacheKey = "caches:index:notices";
        $datas = RedisService::get($cacheKey);
        if($datas){
            return $datas;
        }

        $datas =  $this->model->where(['status'=>1,'mark'=>1])
            ->select(['id','title','create_time','content','status'])
            ->limit($num)
            ->get();
        $datas = $datas? $datas->toArray() : [];
        if($datas){
            RedisService::set($cacheKey, $datas, rand(300, 600));
        }

        return $datas;
    }
}