lachang/app/api/controller/Receipt.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\api\controller;


/**
 * 发票模块控制器
 * Class Setting
 * @package app\store\controller
 */
class Receipt extends Controller
{
    /**
     * 商城公共设置(仅展示可公开的信息)
     * @return array|\think\response\Json
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function add()
    {
        $service = new \app\api\model\Receipt();
        //dd($this->postData());
        $res = $service->add($this->postData());
        if ($res === 201){
            return $this->renderError('您已经申请过了');
        }

        if ($res == false){
            return $this->renderError('系统繁忙');
        }
        return $this->renderSuccess(compact('res'));
    }
}