php实现微信支付之企业付款
发布:smiling 来源: PHP粉丝网 添加日期:2021-09-21 19:33:13 浏览: 评论:0
网上的很多PHP微信支付接入教程都颇为复杂,且需要配置和引入较多的文件,本人通过整理后给出一个单文件版的,希望可以给各位想接入微信支付的带来些许帮助和借鉴意义。
直接运行该文件即可给指定的微信用户转账。
需要注意的事项:
1.微信企业付款到零钱要求必传证书,需要到这里账户中心->账户设置->API安全->下载证书,然后修改代码中的证书路径
2.该文件需放到支付授权目录下,可以在微信支付商户平台->产品中心->开发配置中设置。
3.如提示签名错误可以通过微信支付签名验证工具进行验证:微信公众平台支付接口调试工具
4.错误码参照:参照地址
代码如下:
- <?php
- /**
- * 关于微信企业付款的说明
- * 1.微信企业付款要求必传证书,需要到https://pay.weixin.qq.com 账户中心->账户设置->API安全->下载证书,证书路径在第207行和210行修改
- * 2.错误码参照 :https://pay.weixin.qq.com/wiki/doc/api/tools/mch_pay.php?chapter=14_2
- */
- header('Content-type:text/html; Charset=utf-8');
- $mchid = 'xxxxx'; //微信支付商户号 PartnerID 通过微信支付商户资料审核后邮件发送
- $appid = 'xxxxx'; //微信支付申请对应的公众号的APPID
- $appKey = 'xxxxx'; //微信支付申请对应的公众号的APP Key
- $apiKey = 'xxxxx'; //https://pay.weixin.qq.com 帐户设置-安全设置-API安全-API密钥-设置API密钥
- //①、获取当前访问页面的用户openid(如果给指定用户转账,则直接填写指定用户的openid)
- $wxPay = new WxpayService($mchid,$appid,$appKey,$apiKey);
- $openId = $wxPay->GetOpenid(); //获取openid
- if(!$openId) exit('获取openid失败');
- //②、付款
- $outTradeNo = uniqid(); //订单号
- $payAmount = 1; //转账金额,单位:元。转账最小金额为1元
- $trueName = '张三'; //收款人真实姓名
- $result = $wxPay->createJsBizPackage($openId,$payAmount,$outTradeNo,$trueName);
- echo 'success';
- class WxpayService
- {
- protected $mchid;
- protected $appid;
- protected $appKey;
- protected $apiKey;
- public $data = null;
- public function __construct($mchid, $appid, $appKey,$key)
- {
- $this->mchid = $mchid;
- $this->appid = $appid;
- $this->appKey = $appKey;
- $this->apiKey = $key;
- }
- /**
- * 通过跳转获取用户的openid,跳转流程如下:
- * 1、设置自己需要调回的url及其其他参数,跳转到微信服务器https://open.weixin.qq.com/connect/oauth2/authorize
- * 2、微信服务处理完成之后会跳转回用户redirect_uri地址,此时会带上一些参数,如:code
- * @return 用户的openid
- */
- public function GetOpenid()
- {
- //通过code获得openid
- if (!isset($_GET['code'])){
- //触发微信返回code码
- $scheme = $_SERVER['HTTPS']=='on' ? 'https://' : 'http://';
- $baseUrl = urlencode($scheme.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].$_SERVER['QUERY_STRING']);
- $url = $this->__CreateOauthUrlForCode($baseUrl);
- Header("Location: $url");
- exit();
- } else {
- //获取code码,以获取openid
- $code = $_GET['code'];
- $openid = $this->getOpenidFromMp($code);
- return $openid;
- }
- }
- /**
- * 通过code从工作平台获取openid机器access_token
- * @param string $code 微信跳转回来带上的code
- * @return openid
- */
- public function GetOpenidFromMp($code)
- {
- $url = $this->__CreateOauthUrlForOpenid($code);
- $res = self::curlGet($url);
- //取出openid
- $data = json_decode($res,true);
- $this->data = $data;
- $openid = $data['openid'];
- return $openid;
- }
- /**
- * 构造获取open和access_toke的url地址
- * @param string $code,微信跳转带回的code
- * @return 请求的url
- */
- private function __CreateOauthUrlForOpenid($code)
- {
- $urlObj["appid"] = $this->appid;
- $urlObj["secret"] = $this->appKey;
- $urlObj["code"] = $code;
- $urlObj["grant_type"] = "authorization_code";
- $bizString = $this->ToUrlParams($urlObj);
- return "https://api.weixin.qq.com/sns/oauth2/access_token?".$bizString;
- }
- /**
- * 构造获取code的url连接
- * @param string $redirectUrl 微信服务器回跳的url,需要url编码
- * @return 返回构造好的url
- */
- private function __CreateOauthUrlForCode($redirectUrl)
- {
- $urlObj["appid"] = $this->appid;
- $urlObj["redirect_uri"] = "$redirectUrl";
- $urlObj["response_type"] = "code";
- $urlObj["scope"] = "snsapi_base";
- $urlObj["state"] = "STATE"."#wechat_redirect";
- $bizString = $this->ToUrlParams($urlObj);
- return "https://open.weixin.qq.com/connect/oauth2/authorize?".$bizString;
- }
- /**
- * 拼接签名字符串
- * @param array $urlObj
- * @return 返回已经拼接好的字符串
- */
- private function ToUrlParams($urlObj)
- {
- $buff = "";
- foreach ($urlObj as $k => $v)
- {
- if($k != "sign") $buff .= $k . "=" . $v . "&";
- }
- $buff = trim($buff, "&");
- return $buff;
- }
- /**
- * 企业付款
- * @param string $openid 调用【网页授权获取用户信息】接口获取到用户在该公众号下的Openid
- * @param float $totalFee 收款总费用 单位元
- * @param string $outTradeNo 唯一的订单号
- * @param string $orderName 订单名称
- * @param string $notifyUrl 支付结果通知url 不要有问号
- * @param string $timestamp 支付时间
- * @return string
- */
- public function createJsBizPackage($openid, $totalFee, $outTradeNo,$trueName)
- {
- $config = array(
- 'mch_id' => $this->mchid,
- 'appid' => $this->appid,
- 'key' => $this->apiKey,
- );
- $unified = array(
- 'mch_appid' => $config['appid'],
- 'mchid' => $config['mch_id'],
- 'nonce_str' => self::createNonceStr(),
- 'openid' => $openid,
- 'check_name'=>'FORCE_CHECK', //校验用户姓名选项。NO_CHECK:不校验真实姓名,FORCE_CHECK:强校验真实姓名
- 're_user_name'=>$trueName, //收款用户真实姓名(不支持给非实名用户打款)
- 'partner_trade_no' => $outTradeNo,
- 'spbill_create_ip' => '127.0.0.1',
- 'amount' => intval($totalFee * 100), //单位 转为分
- 'desc'=>'付款', //企业付款操作说明信息
- );
- $unified['sign'] = self::getSign($unified, $config['key']);
- $responseXml = $this->curlPost('https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers', self::arrayToXml($unified));
- $unifiedOrder = simplexml_load_string($responseXml, 'SimpleXMLElement', LIBXML_NOCDATA);
- if ($unifiedOrder === false) {
- die('parse xml error');
- }
- if ($unifiedOrder->return_code != 'SUCCESS') {
- die($unifiedOrder->return_msg);
- }
- if ($unifiedOrder->result_code != 'SUCCESS') {
- die($unifiedOrder->err_code);
- }
- return true;
- }
- public static function curlGet($url = '', $options = array())
- {
- $ch = curl_init($url);
- curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
- curl_setopt($ch, CURLOPT_TIMEOUT, 30);
- if (!emptyempty($options)) {
- curl_setopt_array($ch, $options);
- }
- //https请求 不验证证书和host
- curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
- curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
- $data = curl_exec($ch);
- curl_close($ch);
- return $data;
- }
- public function curlPost($url = '', $postData = '', $options = array())
- {
- if (is_array($postData)) {
- $postData = http_build_query($postData);
- }
- $ch = curl_init();
- curl_setopt($ch, CURLOPT_URL, $url);
- curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
- curl_setopt($ch, CURLOPT_POST, 1);
- curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
- curl_setopt($ch, CURLOPT_TIMEOUT, 30); //设置cURL允许执行的最长秒数
- if (!emptyempty($options)) {
- curl_setopt_array($ch, $options);
- }
- //https请求 不验证证书和host
- curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
- curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
- //第一种方法,cert 与 key 分别属于两个.pem文件
- //默认格式为PEM,可以注释
- curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
- curl_setopt($ch,CURLOPT_SSLCERT,getcwd().'/cert/apiclient_cert.pem');
- //默认格式为PEM,可以注释
- curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
- curl_setopt($ch,CURLOPT_SSLKEY,getcwd().'/cert/apiclient_key.pem');
- //第二种方式,两个文件合成一个.pem文件
- // curl_setopt($ch,CURLOPT_SSLCERT,getcwd().'/all.pem');
- $data = curl_exec($ch);
- curl_close($ch);
- return $data;
- }
- public static function createNonceStr($length = 16)
- {
- $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
- $str = '';
- for ($i = 0; $i < $length; $i++) {
- $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
- }
- return $str;
- }
- public static function arrayToXml($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 $xml;
- }
- public static function getSign($params, $key)
- {
- ksort($params, SORT_STRING);
- $unSignParaString = self::formatQueryParaMap($params, false);
- $signStr = strtoupper(md5($unSignParaString . "&key=" . $key));
- return $signStr;
- }
- protected static function formatQueryParaMap($paraMap, $urlEncode = false)
- {
- $buff = "";
- ksort($paraMap);
- foreach ($paraMap as $k => $v) {
- if (null != $v && "null" != $v) {
- if ($urlEncode) {
- $v = urlencode($v);
- }
- $buff .= $k . "=" . $v . "&";
- }
- }
- $reqPar = '';
- if (strlen($buff) > 0) {
- $reqPar = substr($buff, 0, strlen($buff) - 1);
- }
- return $reqPar;
- }
- }
- ?>
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