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<?php
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class Payment {
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protected $attach;
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protected $openid;
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protected $body;
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protected $total_fee;
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function __construct($attach=null, $openid=null, $body=null, $total_fee=null) {
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$this->attach = $attach;
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$this->openid = $openid;
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$this->body = $body;
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$this->total_fee = $total_fee;
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}
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/**
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* 对外暴露的支付接口
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* @return array
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*/
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public function pay() {
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return $this->weixinPay();
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}
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private function weixinPay() {
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//统一下单接口
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$unifiedorder = $this->unifiedorder();
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$parameters = array(
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'appId' => config('AppID'),
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'timeStamp' => '' . time() . '', //时间戳
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'nonceStr' => $this->createNoncestr(), //随机串
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'package' => 'prepay_id=' . $unifiedorder['prepay_id'], //数据包
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'signType' => 'MD5'//签名方式
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);
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//签名
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$parameters['paySign'] = $this->getSign($parameters);
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return $parameters;
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}
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//统一下单接口
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private function unifiedorder() {
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$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
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$parameters = array(
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'appid' => config('AppID'),
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'mch_id' => config('MchId'),
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'nonce_str' => $this->createNoncestr(),
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'body' => $this->body,
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'out_trade_no' => config('MchId').time(),
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'total_fee' => $this->total_fee,
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'spbill_create_ip' => '114.215.223.17', //终端IP
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'notify_url' => 'http://sami.w.bronet.cn/charge/Charge/notify',
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'openid' => $this->openid,
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'trade_type' => 'JSAPI',//交易类型
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'attach' => $this->attach
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);
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//统一下单签名
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$parameters['sign'] = $this->getSign($parameters);
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$xmlData = $this->arrayToXml($parameters);
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$return = $this->xmlToArray($this->postXmlCurl($xmlData, $url, 60));
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return $return;
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}
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//作用：生成签名
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private function getSign($Obj) {
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foreach ($Obj as $k => $v) {
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$Parameters[$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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//签名步骤二：在string后加入KEY
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$String = $String . "&key=" . config('Key');
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//签名步骤三：MD5加密
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$String = md5($String);
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//签名步骤四：所有字符转为大写
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$result_ = strtoupper($String);
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return $result_;
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}
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private static function postXmlCurl($xml, $url, $second = 30) {
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$ch = curl_init();
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//设置超时
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curl_setopt($ch, CURLOPT_TIMEOUT, $second);
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); //严格校验
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//设置header
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curl_setopt($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, $xml);
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);
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curl_setopt($ch, CURLOPT_TIMEOUT, 40);
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set_time_limit(0);
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//运行curl
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$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($ch);
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curl_close($ch);
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throw new WxPayException("curl出错，错误码:$error");
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}
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}
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//数组转换成xml
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private function arrayToXml($arr) {
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$xml = "<root>";
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foreach ($arr as $key => $val) {
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if (is_array($val)) {
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$xml .= "<" . $key . ">" . arrayToXml($val) . "</" . $key . ">";
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} else {
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$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
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}
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}
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$xml .= "</root>";
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return $xml;
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}
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//xml转换成数组
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private function xmlToArray($xml) {
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//禁止引用外部xml实体
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libxml_disable_entity_loader(true);
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$xmlstring = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
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$val = json_decode(json_encode($xmlstring), true);
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return $val;
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}
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//作用：产生随机字符串，不长于32位
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private function createNoncestr($length = 32) {
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$chars = "abcdefghijklmnopqrstuvwxyz0123456789";
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$str = "";
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for ($i = 0; $i < $length; $i++) {
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$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
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}
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return $str;
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}
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///作用：格式化参数，签名过程需要使用
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private function formatBizQueryParaMap($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 .= $k . "=" . $v . "&";
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}
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$reqPar='';
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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 $reqPar;
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}
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public function handleNotify() {
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//$postXml = $GLOBALS["HTTP_RAW_POST_DATA"]; //接收微信参数
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$postXml=file_get_contents("php://input");
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cache('xml', $postXml);
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if (empty($postXml)) {
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return false;
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}else {
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$data = $this->xmlToArray($postXml);
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if($data['return_code'] == 'SUCCESS' && $data['result_code'] == 'SUCCESS') {
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$data = (array)simplexml_load_string($postXml, 'SimpleXMLElement', LIBXML_NOCDATA);
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$signA = "appid=".$data['appid']."&attach=".$data['attach']."&bank_type=".$data['bank_type']."&cash_fee=".$data['cash_fee']."&fee_type=".$data['fee_type']."&is_subscribe=".$data['is_subscribe']."&mch_id=".$data['mch_id']."&nonce_str=".$data['nonce_str']."&openid=". $data['openid']."&out_trade_no=".$data['out_trade_no']."&result_code=".$data['result_code']."&return_code=".$data['return_code']."&time_end=".$data['time_end']."&total_fee=".$data['total_fee']."&trade_type=".$data['trade_type']."&transaction_id=".$data['transaction_id']."&key=".config('Key');
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$sign = strtoupper(MD5($signA));
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if($sign == $data['sign']) {
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return $data;
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}else {
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return false;
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}
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}else {
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return false;
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}
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}
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}
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} |
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\ No newline at end of file |
...
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...
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