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退款php代码

<?php// +----------------------------------------------------------------------// | Tplay [ WE ONLY DO WHAT IS NECESSARY ]// +----------------------------------------------------------------------// | Copyright (c) 2017 http://tplay.pengyichen.com All rights reserved.// +----------------------------------------------------------------------// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )// +----------------------------------------------------------------------// | Author: 听雨 < 389625819@qq.com >// +----------------------------------------------------------------------namespace appapicontroller;use thinkValidate;use WePayOrder;use thinkDb;class Test{//$config = array(//      'appid' => 'wxb108ecfd7a6a4205',//      'app_secret' => '7d50b25808df0677d75f47ce68f388bb',//      'pay_mchid' => '1519396251', // 微信支付MCHID 商户收款账号//      'pay_apikey' => 'klfdye2rcea0zzeukglx1v1p0k0a3swo', // 微信支付KEY////      'notify_url' => 'https://www.mySercver.com/WxApi/Pay/notify', // 接收支付状态的连接//      // 微信使用code换取用户openid及session_key的url地址//      'login_url' => "https://api.weixin.qq.com/sns/jscode2session?" .//          "appid=wxb108ecfd7a6a4205&secret=7d50b25808df0677d75f47ce68f388bb&js_code=".$js_code."&grant_type=authorization_code",//      );    public function ttt()    {    $data = request()->param();        $order_sn = 'sadsadsa23213';        $refund_fee = $data['total_fee'];        if ($refund_fee){            $out_trade_no = 'trade'.time();;            //$out_refund_no 商户退款单号 自定义而已            $out_refund_no = 'refund'.time();            //统一下单退款参数构造            $unifiedorder = array(                'appid' => 'wxb108ecfd7a6a4205',                'mch_id' => '1519396251',                'nonce_str' => self::getNonceStr(),                'out_trade_no' => $out_trade_no, //商户订单号商户系统内部订单号，要求32个字符内，只能是数字、大小写字母_-|*@ ，且在同一个商户号下唯一。                'out_refund_no' => $out_refund_no, //商户退款单号商户系统内部的退款单号，商户系统内部唯一，只能是数字、大小写字母_-|*@ ，同一退款单号多次请求只退一笔。                'total_fee' => $total_fee, //订单金额                'refund_fee' => intval(floatval($refund_fee)), //退款金额            );//          return self::getNonceStr().'---$out_trade_no---'.$out_trade_no.'---$out_refund_no---'.$out_refund_no.'---$total_fee---'.$total_fee.'---$refund_fee---'.$refund_fee;            $unifiedorder['sign'] = self::makeSign($unifiedorder);            return $unifiedorder['sign'];            //请求数据            $xmldata = self::array2xml($unifiedorder);                     $opUrl = "https://api.mch.weixin.qq.com/secapi/pay/refund";            $res = self::curl_post_ssl_refund($opUrl, $xmldata);            if (!$res) {                self::return_err("Can't connect the server");            }            $content = self::xml2array($res);            if (strval($content['result_code']) == 'FAIL') {                self::return_err(strval($content['err_code_des']));            }            if (strval($content['return_code']) == 'FAIL') {                self::return_err(strval($content['return_msg']));            }            return '退款成功！';        }else{            return '不符合退款订单！';        }    }        //---------------------------------------------------------------用到的函数------------------------------------------------------------    /**     * 此方法是为了进行 微信退款操作的 专属定制哦     * (嘁，其实就是照搬了 人家官方的PHP Demo代码咯)     * TODO 尤其注意代码中涉及到的 "证书使用方式（二选一）"     * TODO 证书的路径要求为 服务器中的绝对路径[我的服务器为 CentOS6.5]     * TODO 证书是 在微信支付开发文档中有所提及，可自行获取保存     */    protected function curl_post_ssl_refund($url, $vars, $second=30,$aHeader=array())    {        $ch = curl_init();        //超时时间        curl_setopt($ch,CURLOPT_TIMEOUT,$second);        curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1);        //这里设置代理，如果有的话        //curl_setopt($ch,CURLOPT_PROXY, '10.206.30.98');        //curl_setopt($ch,CURLOPT_PROXYPORT, 8080);        curl_setopt($ch,CURLOPT_URL,$url);        curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);        curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false);        //TODO 以下两种方式需选择一种        /*------- --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,'/mnt/www/Public/certxxxxxxxxxxxxxxxxxxxx755/apiclient_cert.pem');        //默认格式为PEM，可以注释        //curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');        curl_setopt($ch,CURLOPT_SSLKEY,'/mnt/www/Public/certxxxxxxxxxxxxxxxxxxxx755/apiclient_key.pem');        /**         * 补充 当找不到ca根证书的时候还需要rootca.pem文件         * TODO 注意，微信给出的压缩包中，有提示信息：         *      由于绝大部分操作系统已内置了微信支付服务器证书的根CA证书,         *      2018年3月6日后, 不再提供CA证书文件（rootca.pem）下载         */        //curl_setopt($ch, CURLOPT_CAINFO,'/mnt/www/Public/certxxxxxxxxxxxxxxxxxxxx755/rootca.pem');        /*----------第二种方式，两个文件合成一个.pem文件----------------------------------------*/        //curl_setopt($ch,CURLOPT_SSLCERT,getcwd().'/all.pem');        if( count($aHeader) >= 1 ){            curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);        }        curl_setopt($ch,CURLOPT_POST, 1);        curl_setopt($ch,CURLOPT_POSTFIELDS,$vars);        $data = curl_exec($ch);        if($data){            curl_close($ch);            return $data;        }        else {            $error = curl_errno($ch);            //echo "call faild, errorCode:$error";            curl_close($ch);            return false;        }    }    /**     * 错误返回提示     * @param string $errMsg 错误信息     * @param string $status 错误码     * @return  json的数据     */    protected function return_err($errMsg = 'error', $status = 0)    {        exit(json_encode(array('status' => $status, 'result' => 'fail', 'errmsg' => $errMsg)));    }    /**     * 正确返回     * @param    array $data 要返回的数组     * @return  json的数据     */    protected function return_data($data = array())    {        exit(json_encode(array('status' => 1, 'result' => 'success', 'data' => $data)));    }    /**     * 将一个数组转换为 XML 结构的字符串     * @param array $arr 要转换的数组     * @param int $level 节点层级, 1 为 Root.     * @return string XML 结构的字符串     */    protected function array2xml($arr, $level = 1)    {        $s = $level == 1 ? "<xml>" : '';        foreach ($arr as $tagname => $value) {            if (is_numeric($tagname)) {                $tagname = $value['TagName'];                unset($value['TagName']);            }            if (!is_array($value)) {                $s .= "<{$tagname}>" . (!is_numeric($value) ? '<![CDATA[' : '') . $value . (!is_numeric($value) ? ']]>' : '') . "</{$tagname}>";            } else {                $s .= "<{$tagname}>" . $this->array2xml($value, $level + 1) . "</{$tagname}>";            }        }        $s = preg_replace("/([x01-x08x0b-x0cx0e-x1f])+/", ' ', $s);        return $level == 1 ? $s . "</xml>" : $s;    }    /**     * 将xml转为array     * @param  string $xml xml字符串     * @return array    转换得到的数组     */    protected function xml2array($xml)    {        //禁止引用外部xml实体        libxml_disable_entity_loader(true);        $result = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);        return $result;    }    /**     *     * 产生随机字符串，不长于32位     * @param int $length     * @return 产生的随机字符串     */    protected function getNonceStr($length = 32)    {        $chars = "abcdefghijklmnopqrstuvwxyz0123456789";        $str = "";        for ($i = 0; $i < $length; $i++) {            $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);        }        return $str;    }    /**     * 生成签名     * @return 签名     */    protected function makeSign($data)    {        //获取微信支付秘钥        $key = 'klfdye2rcea0zzeukglx1v1p0k0a3swo';        // 去空        $data = array_filter($data);        //签名步骤一：按字典序排序参数        ksort($data);        $string_a = http_build_query($data);        $string_a = urldecode($string_a);        //签名步骤二：在string后加入KEY        //$config=$this->config;        $string_sign_temp = $string_a . "&key=" . $key;        //签名步骤三：MD5加密        $sign = md5($string_sign_temp);        // 签名步骤四：所有字符转为大写        $result = strtoupper($sign);        return $result;    }    public function index()    {        $param = array('code'=>'215451');        $result = SendSms($param,'18716482623');        var_dump($result);    }}