统一下单
/*** 下单方法* @param $params 下单参数*/public function unifiedOrder($product_type = 1, $openid = '', $phone = ''){//订单总价$total_fee = 79900;if ($product_type == 1) {$total_fee = 79900;}if ($product_type == 2) {$total_fee = 99900;}//$total_fee = 1;$data = array('appid' => config('mp.appid'),//参数'body' => '商城','mch_id' => config('mp.mch_id'),//商户id'nonce_str' => self::getRandChar(32), //随机字符串'notify_url' => '', //回调地址'out_trade_no' => $phone . '_' . time(), //订单号'spbill_create_ip' => self::get_client_ip(),'total_fee' => $total_fee,'trade_type' => "JSAPI",'openid' => $openid,);$url = "https://api.mch./pay/unifiedorder";$signkey = config('mp.key');$data["sign"] = self::getSign($data, $signkey);$xml = self::arrayToXml($data);$response = self::postXmlCurl($xml, $url);$ress = self::xmlstr_to_array($response);if ($ress['return_code'] == 'FAIL') {return array('code' => 0, 'message' => $ress['return_msg']);}if ($ress['result_code'] == 'FAIL') {return array('code' => $ress['err_code'], 'message' => $ress['err_code_des']);}$datas = ['appId' => config('mp.appid'),//参数'timeStamp' => time() . '','nonceStr' => self::getRandChar(32),'package' => "prepay_id=" . $ress['prepay_id'],'signType' => "MD5",];//生成签名$datas['paySign'] = self::getSign($datas, $signkey);$this->success('success', $datas);}/*** 获取随机字符串*/private static function getRandChar($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 $str;}/*** 获取服务器真实IP*/private static function get_client_ip(){if (!empty($_SERVER['HTTP_CLIENT_IP'])) {//ip from share internet$ip = $_SERVER['HTTP_CLIENT_IP'];} elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {//ip pass from proxy$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];} else {$ip = $_SERVER['REMOTE_ADDR'];}return $ip;}/*** 支付签名* @param [type] $Obj[description]* @param [type] $api_key [description]* @return [type][description]*/private static function getSign($Obj, $api_key){foreach ($Obj as $k => $v) {//$Parameters[strtolower($k)] = $v;$Parameters[$k] = $v;}ksort($Parameters);//dump($Parameters);$String = self::formatBizQueryParaMap($Parameters, false);//dump($String);$String = $String . "&key=" . $api_key;//dump($String);$result = strtoupper(md5($String));return $result;}/*** 将数组转成uri字符串* @param [type] $paraMap [description]* @param [type] $urlencode [description]* @return [type] [description]*/private static function formatBizQueryParaMap($paraMap, $urlencode){$buff = "";ksort($paraMap);foreach ($paraMap as $k => $v) {if ($urlencode) {$v = urlencode($v);}//$buff .= strtolower($k) . "=" . $v . "&";$buff .= $k . "=" . $v . "&";}$reqPar;if (strlen($buff) > 0) {$reqPar = substr($buff, 0, strlen($buff) - 1);}return $reqPar;}/*** 数组转xml* @param [type] $arr [description]* @return [type][description]*/private static function arrayToXml($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;}/*** @param $xml* @param $url* @param int $second* @return bool|string*/private static function postXmlCurl($xml, $url, $second = 30){$ch = curl_init();//设置超时curl_setopt($ch, CURLOPT_TIMEOUT, $second);curl_setopt($ch, CURLOPT_URL, $url);curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);//设置 headercurl_setopt($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($ch);curl_close($ch);echo "curl 出错，错误码:$error" . "<br>";}}/*** xml转数组* @param [type] $xmlstr [description]* @return [type] [description]*/private static function xmlstr_to_array($xmlstr){//禁止引用外部xml实体libxml_disable_entity_loader(true);$xmlstring = simplexml_load_string($xmlstr, 'SimpleXMLElement', LIBXML_NOCDATA);$val = json_decode(json_encode($xmlstring), true);return $val;}
支付成功回调
/*** 异步回调地址*/public function notify(){//获取返回的xml$testxml = file_get_contents("php://input");//将xml转化为json格式$jsonxml = json_encode(simplexml_load_string($testxml, 'SimpleXMLElement', LIBXML_NOCDATA));//转成数组$result = json_decode($jsonxml, true);file_log("mp_pay_notify_content.log", json_encode($result));echo '<xml> <return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>';//业务逻辑}
微信小程序端
uni.request({url: '后端下单地址',method: 'GET',data: {product_type: this.product_type,openid: this.openid,phone: this.phone},success: (cts) => {var result = cts.data.datalet that = thisuni.requestPayment({appId: result.appId, // 公众号名称，由商户传入timeStamp: result.timeStamp, // 时间戳，自1970年以来的秒数nonceStr: result.nonceStr, // 随机串package: result.package,signType: 'MD5', // 微信签名方式：paySign: result.paySign, // 微信签名success(res) {if (res.errMsg === 'requestPayment:ok') {//支付成功跳转uni.navigateTo({url: "/pages/index/order?phone=" + that.phone})}},fail(err) {console.log("支付失败", err)}})}});
