reservation_admin/app/common/model/Webconfig.php

<?php
/**
 * Created by PhpStorm.
 * User: 中闽 < 1464674022@qq.com >
 * Date: 2020/6/11
 * Time: 14:07
 */

namespace app\common\model;

use think\Cache;
use think\Db;
use think\Model;

class Webconfig extends Model
{
    private static $web_config;

    /**
     * 获取配置项
     * @param $name [配置名称]
     * @param int $expire [默认不缓存，0永久缓存,3600是一个小时]
     * @return mixed
     */
    public static function getValue($name, $expire = -1)
    {
        $key = 'web_config_cache_' . $name;
        if ($expire >= 0 && cache($key) !== false) {
            return cache($key);
        }
        if (!self::$web_config) {
            self::$web_config = Db::name('webconfig')->where('id', 1)->find();
        }
        $value = self::$web_config[$name]??'';
        if ($expire >= 0) {
            Cache::set($key, $value, $expire);
        }
        return $value;
    }
}