yyky/application/common/server/WatchPay.php

<?php
namespace app\api\server;

use think\Facade\Log;

/**
 * 微信支付
 *
 * @author wj
 * @date 2022-12-02
 */
/*
统一下订单回执
<xml>
  <return_code><![CDATA[SUCCESS]]></return_code>
  <return_msg><![CDATA[OK]]></return_msg>
  <result_code><![CDATA[SUCCESS]]></result_code>
  <mch_id><![CDATA[10000100]]></mch_id>
  <appid><![CDATA[wx2421b1c4370ec43b]]></appid>
  <sub_mch_id><![CDATA[375907253]]></sub_mch_id>
  <device_info><![CDATA[123001]]></device_info>
  <nonce_str><![CDATA[mb8t557HOLqv0soV]]></nonce_str>
  <sign><![CDATA[A530CC111F66A1A6B040D4923E2D2726]]></sign>
  <prepay_id><![CDATA[wx04025233661291269e5f7daa32c5aa0000]]></prepay_id>
  <trade_type><![CDATA[APP]]></trade_type>
</xml>
 */
class WatchPay
{
    //统一下单api路径
    private $unifiedorderurl = "https://api.mch.weixin.qq.com/pay/unifiedorder";
    //水猫工匠商户信息
    private $config = [
        'appid' => "wxcacf6eb6e7478e29",
        'appidApp' => "wxe554be4a48e92d5a",
        'MCHID' => '1616316171',
        'KEY' => "WaterCat20211001ShuiMaoGongJiang",
    ];

    public function setConfig($config)
    {
        foreach ($this->$config as $key => $value) {
            if (empty($value) != $config[$key]) {
                $this->config[$key] = $config[$key];
            }
        }
    }

    public function getConfig($field)
    {
        if (isset($this->config[$field])) {
            return $this->config[$field];
        }
        return false;
    }
    /**
     * 获取订单信息
     *
     * @return void
     * @author wj
     * @date 2022-12-02
     */
    public function getorderinfo($orderInfo)
    {
        $config = $this->config;
        $mchid = $config['MCHID'];
        $key = $config['KEY'];
        $body = $orderInfo['body'];
        $total_fee = $orderInfo['total_fee'];
        $notify_url = $orderInfo['notify_url'];
        //$appid = $config['appid'];
        $ordrNo = $orderInfo['orderNo'];
        $trade_type = $orderInfo['trade_type'];
        $appid = $orderInfo['appid'];
        $data = [
            "appid" => $appid, //服务商应用ID
            "mch_id" => $mchid, //服务商应用ID
            "nonce_str" => md5($mchid . time()),
            "body" => $body,
            "out_trade_no" => $ordrNo,
            "notify_url" => $notify_url,
            "total_fee" => $total_fee,
            "currency" => "CNY",
            "spbill_create_ip" => '8.8.8.8',
            'trade_type' => $trade_type,
        ];
        if (isset($orderInfo['openid'])) {
            $openid = $orderInfo['openid'];
            $data['openid'] = $openid;
        }
        ksort($data);
        $sign_str = $this->ToUrlParams($data);
        $sign_str = $sign_str . "&key=" . $key;
        $data['sign'] = strtoupper(md5($sign_str));
        return $data;

    }
    /**
     * 创建订单 统一下单
     *
     * @param  [type] $orderinfo
     * @return void
     * @author wj
     * @date 2022-12-02
     */
    public function crateOrder($orderinfo)
    {
        $data = $this->getorderinfo($orderinfo);
        Log::info($data);
        $xml = arrtoxml($data, null, 'xml');
        //$xml = $this->arrayToXml($data);
        $url = $this->unifiedorderurl;
        Log::info($url);
        Log::info($xml);
        $resultxml = $this->postXmlCurl($xml, $url, true);
        $result = $this->getpayback($resultxml);
        return $result;
    }
    /**
     * 解析并记录返回的xml
     *
     * @param  [type] $xml
     * @return void
     * @author wj
     * @date 2022-12-02
     */
    public function getpayback($xml)
    {
        Log::info($xml);
        $result = xmltoarr($xml);
        Log::info($result);
        return $result;
    }
    /*
     *   用于微信支付转换认证的信息用的
     *   by:leoyi
     *   date:2018-4-8
     */
    public function ToUrlParams($data)
    {
        $buff = "";
        foreach ($data as $k => $v) {
            if ($k != "sign" && $v != "" && !is_array($v)) {
                $buff .= $k . "=" . $v . "&";
            }
        }

        $buff = trim($buff, "&");
        return $buff;
    }
    /**
     * 用户post方法请求xml信息用的
     * @author write by leoyi 2018-04-8
     */
    public function postXmlCurl($xml, $url, $useCert = false, $second = 10)
    {
        $ch = curl_init();
        //设置超时
        curl_setopt($ch, CURLOPT_TIMEOUT, $second);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); //严格校验2
        //设置header
        curl_setopt($ch, CURLOPT_HEADER, false);
        //要求结果为字符串且输出到屏幕上
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
        //运行curl
        $data = curl_exec($ch);
        //返回结果
        if ($data) {
            curl_close($ch);
            return $data;
        } else {
            $error = curl_errno($ch);
            curl_close($ch);
            return $error;
        }
    }
    /**
     * 获取签名
     *
     * @return void
     * @author wj
     * @date 2022-12-02
     */
    public function getsign($data)
    {
        ksort($data);
        $sign_str = $this->ToUrlParams($data);
        $sign_str = $sign_str . "&key=" . $this->config['KEY'];
        $sign = strtoupper(md5($sign_str));
        return $sign;
    }
    public function arrayToXml($arr)
    {
        $xml = "<xml>";
        foreach ($arr as $key => $val) {
            if (is_numeric($val)) {
                $xml .= "<" . $key . ">" . $val . "</" . $key . ">";
            } else {
                $xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
            }
        }
        $xml .= "</xml>";
        return $xml;
    }
}