微信支付 app 服务器

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<?phpheader("Content-type: text/html; charset=utf-8");include"../../config.php";$orderBody = "test商品";$tade_no = "abc_" . time();$total_fee = 1;$WxPayHelper = new WxPayHelper();$response = $WxPayHelper->getPrePayOrder($orderBody,$tade_no,$total_fee);p_val("---response----");p_val($response);p_val("---拿到prepayId再次签名----");$x = $WxPayHelper->getOrder($response['prepay_id']);p_val($x);/** * convert xml string to php array - useful to get a serializable value * * @param string $xmlstr * @return array * @author Adrien aka Gaarf */classWxPayHelper{/* 配置参数 */var$config = array('appid' => "wx7e26b00000000000",/*微信开放平台上的应用id*/'mch_id' => "1233000000",/*微信申请成功之后邮件中的商户id*/'api_key' => "s6aITei3J3d4UYcCn3k0Mq0000000000",/*在微信商户平台上自己设定的api密钥 32位*/'notify_url' => 'http://mycompany.com/pub_v2/pay/notify.v2.php'/*自定义的回调程序地址id*/ ); publicfunction__construct() { }//获取预支付订单publicfunctiongetPrePayOrder($body,$out_trade_no,$total_fee){$url = "https://api.mch.weixin.qq.com/pay/unifiedorder";$notify_url = $this->config["notify_url"];$onoce_str = $this->getRandChar(32);$data["appid"] = $this->config["appid"];$data["body"] = $body;$data["mch_id"] = $this->config['mch_id'];$data["nonce_str"] = $onoce_str;$data["notify_url"] = $notify_url;$data["out_trade_no"] = $out_trade_no;$data["spbill_create_ip"] = $this->get_client_ip();$data["total_fee"] = $total_fee;$data["trade_type"] = "APP";$s = $this->getSign($data,false);$data["sign"] = $s;$xml = $this->arrayToXml($data);$response = $this->postXmlCurl($xml,$url);//将微信返回的结果xml转成数组return$this->xmlstr_to_array($response); } //执行第二次签名，才能返回给客户端使用publicfunctiongetOrder($prepayId){$data["appid"] = $this->config["appid"];$data["noncestr"] = $this->getRandChar(32);;$data["package"] = "Sign=WXPay";$data["partnerid"] = $this->config['mch_id'];$data["prepayid"] = $prepayId;$data["timestamp"] = time(); $s = $this->getSign($data,false);$data["sign"] = $s;return$data; } /* 生成签名 */functiongetSign($Obj) {foreach ($Objas$k => $v) { $Parameters[strtolower($k)] = $v; } //签名步骤一：按字典序排序参数 ksort($Parameters);$String = $this->formatBizQueryParaMap($Parameters,false);//echo "【string】 =".$String."</br>";//签名步骤二：在string后加入KEY$String = $String."&key=".$this->config['api_key'];echo"<textarea style='width: 50%; height: 150px;'>$String</textarea> <br />";//签名步骤三：MD5加密$result_ = strtoupper(md5($String));return$result_; } //获取指定长度的随机字符串functiongetRandChar($length){$str = null;$strPol = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz";$max = strlen($strPol)-1;for($i=0;$i<$length;$i++){$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 } return$str; } //数组转xmlfunctionarrayToXml($arr) {$xml = "<xml>";foreach ($arras$key=>$val) { if (is_numeric($val)) { $xml.="<".$key.">".$val."</".$key.">"; } else$xml.="<".$key."><![CDATA[".$val."]]></".$key.">"; } $xml.="</xml>";return$xml; } //post https请求，CURLOPT_POSTFIELDS xml格式functionpostXmlCurl($xml,$url,$second=30) {//初始化curl$ch = curl_init(); //超时时间 curl_setopt($ch,CURLOPT_TIMEOUT,$second);//这里设置代理，如果有的话//curl_setopt($ch,CURLOPT_PROXY, '8.8.8.8');//curl_setopt($ch,CURLOPT_PROXYPORT, 8080); curl_setopt($ch,CURLOPT_URL,$url); curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE); curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);//设置header curl_setopt($ch, CURLOPT_HEADER, FALSE);//要求结果为字符串且输出到屏幕上 curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);//post提交方式 curl_setopt($ch, CURLOPT_POST, TRUE); curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);//运行curl$data = curl_exec($ch);//返回结果if($data) { curl_close($ch);return$data; } else { $error = curl_errno($ch);echo"curl出错，错误码:$error"."<br>";echo"<a href='http://curl.haxx.se/libcurl/c/libcurl-errors.html'>错误原因查询</a></br>"; curl_close($ch);returnfalse; } } /* 获取当前服务器的IP */functionget_client_ip() {if ($_SERVER['REMOTE_ADDR']) { $cip = $_SERVER['REMOTE_ADDR']; } elseif (getenv("REMOTE_ADDR")) { $cip = getenv("REMOTE_ADDR"); } elseif (getenv("HTTP_CLIENT_IP")) { $cip = getenv("HTTP_CLIENT_IP"); } else { $cip = "unknown"; } return$cip; } //将数组转成uri字符串functionformatBizQueryParaMap($paraMap,$urlencode) {$buff = ""; ksort($paraMap);foreach ($paraMapas$k => $v) { if($urlencode) { $v = urlencode($v); } $buff .= strtolower($k) . "=" . $v . "&"; } $reqPar;if (strlen($buff) > 0) { $reqPar = substr($buff,0, strlen($buff)-1); } return$reqPar; } /** xml转成数组 */functionxmlstr_to_array($xmlstr) {$doc = new DOMDocument(); $doc->loadXML($xmlstr);return$this->domnode_to_array($doc->documentElement); } functiondomnode_to_array($node) {$output = array();switch ($node->nodeType) { case XML_CDATA_SECTION_NODE: case XML_TEXT_NODE: $output = trim($node->textContent);break;case XML_ELEMENT_NODE: for ($i=0,$m=$node->childNodes->length;$i<$m;$i++) { $child = $node->childNodes->item($i);$v = $this->domnode_to_array($child);if(isset($child->tagName)) { $t = $child->tagName;if(!isset($output[$t])) { $output[$t] = array(); } $output[$t][] = $v; } elseif($v) { $output = (string) $v; } } if(is_array($output)) { if($node->attributes->length) { $a = array();foreach($node->attributesas$attrName => $attrNode) { $a[$attrName] = (string) $attrNode->value; } $output['@attributes'] = $a; } foreach ($outputas$t => $v) { if(is_array($v) && count($v)==1 && $t!='@attributes') { $output[$t] = $v[0]; } } } break; } return$output; }}?>