NN2023021801/app/api/services/BalancePayServices.php

<?php
/**
 * 余额支付
 */
namespace app\api\services;

use app\common\service\ShopOrderService;
use think\facade\Db;
class BalancePayServices extends BasePayServices
{
    /**
     * 余额支付订单处理
     * @param $uid
     * @param $order_id
     * @throws \think\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function balanceToOrder($uid, $order_id){
        $order_info = ShopOrderService::make()->getInfoBySn($order_id, $uid);
        if ($order_info['status'] != 0){
            sr_throw('订单已支付,不能再次支付');
        }

        $user = Db::name('user')->where('id', $uid)->find();
        if (!$order_info){
            sr_throw('订单号错误');
        }
        if ($user['money']<$order_info['payment']){
            sr_throw('当前用户余额不足');
        }

        // 扣除余额
        edit_user_money(11, $uid, $order_info['payment']);

        // 发送购买通知信息
        addUserMessage($uid, 3, '余额购买商品成功', '恭喜你已经兑换到心仪的商品，请等待发货，如有疑问请联系客服');

        $out_trade_no = 'BA'.$order_id.mt_rand(1, 10000);

        // 支付信息处理
        $insert = [
            'total_fee' => $order_info['payment'],
            'trade_type' => 'app',
            'body' => '购买商品',
            'state' => 6,
            'out_trade_no' => $out_trade_no,
            'pay_way' => 3,
            'remarks' => $order_id,
            'order_type' => 4,
            'pay_at'=>sr_getcurtime(time()),
            'uid' => $uid,
            'voucher_img' => '',
            'out_trade_no1'=>''
        ];

        // 添加支付订单表
        Db::name('payment')->insert($insert);

        $ser = new ThirdPayServices();
        $ser->payBalanceDown($order_id, 3, '');

    }

}