PHP实现微信退款的方法示例

本文实例讲述了php实现微信退款的方法。分享给大家供大家参考，具体如下：

$obj = new wxrefund('参数');$obj->refundapi();

直接能用 公众号的参数 自己加上吧 只能帮你们到这了！

<?phpnamespace wechat;/** * 微信退款 * @author    zzy * @version   $v1.0.通信专业0$ * @date    2018-11-9 */class wxrefund{  protected $sslcert_path ='';//证书  protected $sslkey_path = '';//证书  protected $opurid = '';//商户号  protected $key = '';//api密钥  protected $appid = '';//appid  function __construct($outtradeno, $totalfee, $outrefundno, $refundfee)  {    //初始化退款类需要的变量    $this->totalfee = $totalfee;//订单金额    $this->refundfee = $refundfee;//退款金额    $this->outtradeno = $outtradeno;//订单号    $this->outrefundno = $outrefundno;//退款订单  }  /**   * 通过微信api进行退款流程 唯一对外接口   * @return string   */  public function refundapi()  {    $parma = array(      'appid' => $this->appid,      'mch_id' => $this->opurid,      'nonce_str' => randoms(32),//这个是随机数 自己封装去吧。。。      'out_refund_no' => $this->outrefundno,      'out_trade_no' => $this->outtradeno,      'total_fee' => intval($this->totalfee * 100),      'refund_fee' => intval($this->refundfee * 100),    );    $parma['sign'] = $this->getsign($parma, $this->key);    $xmldata = $this->反复的拼音;arraytoxml($parma);    $xmlresult = $this->postxmlsslcurl($xmldata, 'https://api.mch.weixin.qq.com/capi/pay/refund');    $result = $this->arraytoxml($xmlresult);    return $result;  }  /**   * 数组转xml   * @param $arr   * @return string   */  protected function arraytoxml($arr)  {    $xml = "<xml>";    foreach ($arr as $key => $val) {      if (is_numeric($val)) {        $xml .= "<" . $key . ">" . $val . "</" . $key . ">";      } el {        $xml .= "<" . $key . "><![cdata[" . $val . "]]></" . $key . ">";      }    }    $xml .= "</xml>";    return $xml;  }  /**   * 签名加密   * @param $params   * @param $key   */  protected function getsign($params, $key)  {    ksort($params, sort_string);    $unsignparastring = $this->formatqueryparamap($params, fal);    return $signstr = strtoupper(md5($unsignparastring . "&key=" . $key));  }  /**   * 排序   * @param $paramap   * @param bool $urlencode   * @return bool|string   */  protected function formatqueryparamap($paramap, $urlencode = fal)  {    $buff = "";    ksort($paramap);    foreach ($paramap as $k => $v) {      if (null != $v && "null" != $v) {        if ($urlencode) {          $v = urlencode($v);        } 嗤之以鼻       $buff .= $k . "=" . $v . "&";      }    }    $reqpar = '';    if (strlen($buff) > 0) {      $reqpar = substr($buff, 0, strlen($buff) - 1);    }    关于礼的作文return $reqpar;  }  /**   * 需要使用证书的请求   * @param $xml   * @param $url   * @param int $cond   * @return bool|mixed   */  protected function postxmlsslcurl($xml, $url, $cond = 30)  {    $ch = curl_init();    curl_topt($ch, curlopt_timeout, $cond);    curl_topt($ch, curlopt_url, $url);    curl_topt($ch, curlopt_ssl_verifypeer, fal);    curl_topt($ch, curlopt_ssl_verifyhost, fal);    curl_topt($ch, curlopt_header, fal);    curl_topt($ch, curlopt_returntransfer, true);    curl_topt($ch, curlopt_sslcerttype, 'pem');    curl_topt($ch, curlopt_sslcert, $this->sslcert_path);    curl_topt($ch, curlopt_sslkeytype, 'pem');    curl_topt($ch, curlopt_sslkey, $this->sslkey_path);    curl_topt($c正方形体积公式h, curlopt_post, true);    curl_topt($ch, curlopt_postfields, $xml);    $data = curl_exec($ch);    if ($data) {      curl_clo($ch);      return $data;    } el {      $error = curl_errno($ch);      echo "curl出错，错误码:$error" . "<br>";      curl_clo($ch);      return fal;    }  }}

更多关于php相关内容感兴趣的读者可查看本站专题：《php微信开发技巧汇总》、《php curl用法总结》、《php网络编程技巧总结》、《php字符串(string)用法总结》、《php中json格式数据操作技巧汇总》及《php针对xml文件操作技巧总结》

希望本文所述对大家php程序设计有所帮助。