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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:

<"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 (!empty($options)) {
  curl_setopt_array($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 (!empty($options)) {
  curl_setopt_array($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;
 }
}
"external nofollow" target="_blank" href="https://github.com/dedemao/weixinPay">地址

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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。

标签:
php微信企业付款,php微信支付,php微信支付企业付款,php微信用户转账

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