php/app/controller/api/user/Gold.php

<?php
namespace app\controller\api\user;

use crmeb\basic\BaseController;
use app\common\repositories\user\UserRepository;
use think\App;
use think\facade\Db;

class Gold extends BaseController
{
    public $repository;

    public function __construct(App $app, UserRepository $repository)
    {
        parent::__construct($app);
        $this->repository = $repository;
    }

    public function score_to_gold(){
        $uid = $this->request->uid();
        $score = $this->request->param('score');
        $nowScore = Db::name('user') -> where('uid',$uid) -> value("score");
        if($nowScore < $score){
            return app('json')->fail('积分不足');
        }
        if ($score % 30 != 0){
            return app('json')->fail('积分必需为30的倍数');
        }
        Db::startTrans();
        try {
            $gold = $score / 30;
            //积分减少
            $userRepository = app()->make(UserRepository::class);
            $userRepository -> sign_add($uid,$score,1,'积分转入储蓄罐','','','',2);
            //金币增加
            $userRepository -> gold_add($uid,$gold,'积分转入');
            // 提交事务
            Db::commit();
            return app('json')->success('转入成功');
        } catch (\Exception $e) {
            // 回滚事务
            Db::rollback();
            return app('json')->fail('转入失败');
        }
    }


}