lachang/app/store/controller/Setting.php

<?php
// +----------------------------------------------------------------------
// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2017~2021 https://www.yiovo.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
// +----------------------------------------------------------------------
// | Author: 萤火科技 <admin@yiovo.com>
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace app\store\controller;

use app\store\model\Setting as SettingModel;
use app\common\library\sms\Driver as SmsDriver;

/**
 * 系统设置
 * Class Setting
 * @package app\store\controller
 */
class Setting extends Controller
{
    /**
     * 获取设置项
     * @param string $key
     * @return array
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function detail(string $key)
    {
        $values = SettingModel::getItem($key);
        return $this->renderSuccess(compact('values'));
    }

    /**
     * 更新系统设置
     * @param string $key
     * @return array
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function update(string $key)
    {
        // 保存商城设置
        if ($key == 'withdrawal' && isset($this->postForm()['withdraw_min']) && floatval($this->postForm()['withdraw_min']) < 0.01){
            return $this->renderError('最小可提现金额不能小于0.01元');
        }
        $model = new SettingModel;
        if ($model->edit($key, $this->postForm())) {
            return $this->renderSuccess('操作成功');
        }
        return $this->renderError($model->getError() ?: '操作失败');
    }

}