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@@ -0,0 +1,333 @@
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+<?php
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+namespace app\common\library;
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+
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+class WxPay {
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+
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+ /**
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+ * 初始化参数
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+ *
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+ * @param array $options
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+ * @param $options ['app_id'] APPID：绑定支付的APPID（必须配置，开户邮件中可查看）
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+ * @param $options ['mch_id'] MCHID：商户号（必须配置，开户邮件中可查看）
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+ * @param $options ['key'] KEY：商户支付密钥，参考开户邮件设置（必须配置，登录商户平台自行设置）
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+ * @param $options ['appsecret'] 公众帐号secert（仅JSAPI支付的时候需要配置)，
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+ * @param $options ['notify_url'] 支付宝回调地址
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+ */
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+ public function __construct($options = array()) {
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+ $this->config = !empty($options) ? $options : config('wechatpay');
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+ }
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+
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+ /**
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+ * 微信支付App
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+ * @param string $data 业务参数 body out_trade_no total_fee
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+ * @param string $data ['out_trade_no'] 订单号 必填
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+ * @param string $data ['total_fee'] 订单金额 必填
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+ * @param string $data ['body'] 订单详情 必填
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+ * @return $response 返回app所需字符串
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+ */
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+ public function WxPayApp($d) {
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+ $wxConfig = $this->config;
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+
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+ $out_trade_no = $d['out_trade_no'];
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+ $total_fee = abs(floatval($d['total_fee'])) * 100;// 微信支付 单位为分
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+ $nonce_str = $this->getRandChar(32);
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+ $ip = $this->get_client_ip();
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+ if ($ip == '::1')
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+ $ip = '1.1.1.1';
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+ $data ["appid"] = $wxConfig["app_id"];
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+ $data ["body"] = $d['body'];
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+ $data ["mch_id"] = $wxConfig['mch_id'];
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+ $data ["nonce_str"] = $nonce_str;
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+ $data ["notify_url"] = $wxConfig["notify_url"];
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+ $data ["out_trade_no"] = $out_trade_no;
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+ $data ["spbill_create_ip"] = $ip;
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+ $data ["total_fee"] = $total_fee;
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+ $data ["trade_type"] = "APP";
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+ $data['time_expire'] = date('YmdHis', time() + 120);
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+ $s = $this->getSign($data);
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+ $data ["sign"] = $s;
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+ $xml = $this->arrayToXml($data);
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+ $url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
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+ $response = $this->postXmlCurl($xml, $url);
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+
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+ $re = $this->xmlstr_to_array($response);
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+ if ($re ['return_code'] == 'FAIL') {
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+ return $re['return_msg'];
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+ }
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+ // 二次签名
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+ $reapp = $this->getOrder($re['prepay_id']);
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+ return $reapp;
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+ }
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+
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+ /**
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+ * 微信App支付退款申请
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+ * @param array $d 业务参数 body out_trade_no total_fee
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+ * @param string $data ['out_trade_no'] 订单号 必填
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+ * @param string $data ['total_fee'] 订单金额 必填
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+ * @return $response 返回app所需字符串
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+ */
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+ public function WxPayRefund($order_data) {
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+ $wxConfig = config('wechatpay');
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+
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+ $data['appid'] = $wxConfig['app_id'];
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+ $data['mch_id'] = $wxConfig['mch_id'];
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+ $data['nonce_str'] = $this->getRandChar(32);;
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+ if ($wxConfig['refund_notify']) {
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+ $data['notify_url'] = $wxConfig['refund_notify'];
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+ }
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+ $data['out_trade_no'] = $order_data['out_trade_no'];
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+ $data['out_refund_no'] = $order_data['out_refund_no'];
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+ $data['total_fee'] = $order_data['total_fee'];
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+ $data['refund_fee'] = $order_data['refund_fee'];
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+ $data['refund_desc'] = $order_data['refund_desc'];
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+ $data['sign'] = $this->getSign($data);
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+ $xml = $this->arrayToXml($data);
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+ $url = 'https://api.mch.weixin.qq.com/secapi/pay/refund';
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+ $response = $this->postXmlCurl($xml, $url);
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+ $re = $this->xmlstr_to_array($response);
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+ /*if ($re ['return_code'] == 'FAIL') {
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+ return $re['return_msg'];
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+ }*/
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+ return $re;
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+ }
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+
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+
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+ /**
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+ * 微信退款通知
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+ * @return array 验证正确返回状态及订单数据
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+ */
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+ public function WxPayRefundNotifyCheck() {
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+ $postStr = $GLOBALS['HTTP_RAW_POST_DATA'];
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+ if (!$postStr) {
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+ $postStr = file_get_contents("php://input");
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+ }
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+ $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
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+ if ($postObj === false) {
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+ error_log('parse xml error', 3, './wechat_errorlog.txt');
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+ }
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+ if ($postObj->return_code != 'SUCCESS') {
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+ error_log($postObj->return_msg, 3, './wechat_errorlog.txt');
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+ }
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+ $arr = (array)$postObj;
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+ file_put_contents('wx_refund_error_logs.txt', date('Y-m-d H:i:s').'退款数据1！'.json_encode($arr), FILE_APPEND);
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+
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+ if($arr['return_code'] == 'SUCCESS') {
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+ $wxConfig = $this->config;
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+ //解密信息
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+ require_once("Plugins/WxPay/OpenSSLAES.php");
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+ $aes = new \OpenSSLAES(md5($wxConfig['key']));
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+ $decrypted = $aes->decrypt($arr['req_info']);
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+ $reqObj = simplexml_load_string($decrypted, 'SimpleXMLElement', LIBXML_NOCDATA);
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+ $arr['req_info'] = (array)$reqObj;
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+ file_put_contents('wx_refund_error_logs.txt', date('Y-m-d H:i:s').'退款数据2！'.json_encode($arr), FILE_APPEND);
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+ return array('status' => true, 'data' => $arr);
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+ }
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+ return array('status' => false);
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+ }
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+
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+ /**
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+ * 微信签名验证
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+ * @param string $data 业务参数
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+ * @return array
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+ */
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+ public function WxPayNotifyCheck() {
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+ $postStr = $GLOBALS['HTTP_RAW_POST_DATA'];
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+ if(!$postStr){
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+ $postStr = file_get_contents("php://input");
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+ }
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+
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+ $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
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+ if ($postObj === false) {
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+ error_log('parse xml error', 3, './wechat_errorlog.txt');
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+ }
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+ if ($postObj->return_code != 'SUCCESS') {
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+ error_log($postObj->return_msg, 3, './wechat_errorlog.txt');
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+ }
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+
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+ $arr = (array)$postObj;
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+ unset($arr['sign']);
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+ if ($this->getSign($arr) == $postObj->sign) {
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+ return array('status' => true, 'data' => $arr);
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+ } else
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+ return array('status' => false);
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+ }
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+
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+ /**
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+ * 以下为微信所需相关方法，请勿修改
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+ */
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+
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+
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+ // 执行第二次签名，才能返回给客户端使用
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+ public function getOrder($prepayId) {
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+ $data ["appid"] = $this->config ["app_id"];
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+ $data ["noncestr"] = $this->getRandChar(32);;
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+ $data ["package"] = "Sign=WXPay";
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+ $data ["partnerid"] = $this->config ['mch_id'];
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+ $data ["prepayid"] = $prepayId;
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+ $data ["timestamp"] = time();
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+ $s = $this->getSign($data);
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+ $data ["sign"] = $s;
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+
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+ return $data;
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+ }
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+
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+ //生成签名
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+ function getSign($Obj) {
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+ foreach ($Obj as $k => $v) {
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+ $Parameters [strtolower($k)] = $v;
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+ }
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+ // 签名步骤一：按字典序排序参数
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+ ksort($Parameters);
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+ $String = $this->formatBizQueryParaMap($Parameters, false);
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+ // echo "【string】 =".$String."</br>";
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+ // 签名步骤二：在string后加入KEY
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+ $String = $String . "&key=" . $this->config ['key'];
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+ // echo "<textarea style='width: 50%; height: 150px;'>$String</textarea> <br />";
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+ // 签名步骤三：MD5加密
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+ $result_ = strtoupper(md5($String));
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+ return $result_;
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+ }
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+
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+ // 获取指定长度的随机字符串
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+ function getRandChar($length) {
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+ $str = null;
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+ $strPol = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz";
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+ $max = strlen($strPol) - 1;
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+
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+ for ($i = 0; $i < $length; $i++) {
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+ $str .= $strPol [rand(0, $max)]; // rand($min,$max)生成介于min和max两个数之间的一个随机整数
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+ }
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+
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+ return $str;
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+ }
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+
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+ // 数组转xml
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+ function arrayToXml($arr) {
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+ $xml = "<xml>";
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+ foreach ($arr as $key => $val) {
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+ if (is_numeric($val)) {
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+ $xml .= "<" . $key . ">" . $val . "</" . $key . ">";
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+ } else
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+ $xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
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+ }
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+ $xml .= "</xml>";
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+ return $xml;
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+ }
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+
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+ // post https请求，CURLOPT_POSTFIELDS xml格式
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+ function postXmlCurl($xml, $url, $second = 30) {
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+ // 初始化curl
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+ $ch = curl_init();
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+ // 超时时间
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+ curl_setopt($ch, CURLOPT_TIMEOUT, $second);
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+ // 这里设置代理，如果有的话
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+ // curl_setopt($ch,CURLOPT_PROXY, '8.8.8.8');
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+ // curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
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+ curl_setopt($ch, CURLOPT_URL, $url);
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+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
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+ curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
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+ // 设置header
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+ curl_setopt($ch, CURLOPT_HEADER, FALSE);
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+ // 要求结果为字符串且输出到屏幕上
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+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
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+ // post提交方式
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+ curl_setopt($ch, CURLOPT_POST, TRUE);
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+ curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
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+ // 证书
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+ curl_setopt($ch, CURLOPT_SSLKEY, APP_PATH . '../addons/epay/certs/apiclient_key.pem');
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+ curl_setopt($ch, CURLOPT_SSLCERT, APP_PATH . '../addons/epay/certs/apiclient_cert.pem');
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+ // 运行curl
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+ $data = curl_exec($ch);
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+ // 返回结果
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+ if ($data) {
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+ curl_close($ch);
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+ return $data;
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+ } else {
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+ $error = curl_errno($ch);
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+ echo "curl出错，错误码:$error" . "<br>";
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+ echo "<a href='http://curl.haxx.se/libcurl/c/libcurl-errors.html'>错误原因查询</a></br>";
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+ curl_close($ch);
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+ return false;
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+ }
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+ }
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+
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+ //获取当前服务器的IP
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+ function get_client_ip() {
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+ if ($_SERVER ['REMOTE_ADDR']) {
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+ $cip = $_SERVER ['REMOTE_ADDR'];
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+ } elseif (getenv("REMOTE_ADDR")) {
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+ $cip = getenv("REMOTE_ADDR");
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+ } elseif (getenv("HTTP_CLIENT_IP")) {
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+ $cip = getenv("HTTP_CLIENT_IP");
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+ } else {
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+ $cip = "unknown";
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+ }
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+ return $cip;
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+ }
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+
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+ // 将数组转成uri字符串
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+ function formatBizQueryParaMap($paraMap, $urlencode) {
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+ $buff = "";
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+ ksort($paraMap);
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+ foreach ($paraMap as $k => $v) {
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+ if ($urlencode) {
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+ $v = urlencode($v);
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+ }
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+ $buff .= strtolower($k) . "=" . $v . "&";
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+ }
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+
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+ if (strlen($buff) > 0) {
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+ $reqPar = substr($buff, 0, strlen($buff) - 1);
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+ }
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+ return $reqPar;
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+ }
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+
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+ //xml转成数组
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+ function xmlstr_to_array($xmlstr) {
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+ $doc = new \DOMDocument ();
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+ $doc->loadXML($xmlstr);
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+ return $this->domnode_to_array($doc->documentElement);
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+ }
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+
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+ //dom转成数组
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+ function domnode_to_array($node) {
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+ $output = array();
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+ switch ($node->nodeType) {
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+ case XML_CDATA_SECTION_NODE :
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+ case XML_TEXT_NODE :
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+ $output = trim($node->textContent);
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+ break;
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+ case XML_ELEMENT_NODE :
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+ for ($i = 0, $m = $node->childNodes->length; $i < $m; $i++) {
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+ $child = $node->childNodes->item($i);
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+ $v = $this->domnode_to_array($child);
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+ if (isset ($child->tagName)) {
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+ $t = $child->tagName;
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+ if (!isset ($output [$t])) {
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+ $output [$t] = array();
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+ }
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+ $output [$t] [] = $v;
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+ } elseif ($v) {
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+ $output = ( string )$v;
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+ }
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+ }
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+ if (is_array($output)) {
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+ if ($node->attributes->length) {
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+ $a = array();
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+ foreach ($node->attributes as $attrName => $attrNode) {
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+ $a [$attrName] = ( string )$attrNode->value;
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+ }
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+ $output ['@attributes'] = $a;
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+ }
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+ foreach ($output as $t => $v) {
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+ if (is_array($v) && count($v) == 1 && $t != '@attributes') {
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+ $output [$t] = $v [0];
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+ }
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+ }
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+ }
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+ break;
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+ }
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+ return $output;
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+ }
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+
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+}
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lizhen_gitee