小程序接口1

class XpayController extends WapBaseController{

public function payweixinx(){      $appid=‘wx00000000000000‘;      $openid= ‘openid‘;      $mch_id=‘1111111111‘;      $key=‘888888888888888888888888888‘;      $out_trade_no = $mch_id. time();      $total_fee = I(‘money‘);        if(empty($total_fee)) //押金        {            $body = "充值押金";            $total_fee = floatval(99*100);        }else {            $body = "现金打赏";            $total_fee = floatval($total_fee*100);        }        //账单记录

$weixinpay = new WeixinPay($appid,$openid,$mch_id,$key,$out_trade_no,$body,$total_fee);      $return=$weixinpay->pay();      $data[‘name‘] = get_user_nickname(get_uid_by_session3rd(I(‘session3rd‘)));      $data[‘money‘] = $total_fee;      $data[‘time‘] = time();      $data[‘out_trade_no‘] = $out_trade_no;      if (!empty($return)){          M(‘yj_bill‘)->add($data);        }      $this->ajaxReturn($return);      }}

class WeixinPay {      protected $appid;      protected $mch_id;      protected $key;      protected $openid;      protected $out_trade_no;      protected $body;      protected $total_fee;      function __construct($appid, $openid, $mch_id, $key,$out_trade_no,$body,$total_fee) {          $this->appid = $appid;          $this->openid = $openid;          $this->mch_id = $mch_id;          $this->key = $key;          $this->out_trade_no = $out_trade_no;          $this->body = $body;          $this->total_fee = $total_fee;      }      public function pay() {          //统一下单接口          $return = $this->weixinapp();          return $return;      }      //统一下单接口      private function unifiedorder() {          $url = ‘https://api.mch.weixin.qq.com/pay/unifiedorder‘;          $parameters = array(              ‘appid‘ => $this->appid, //小程序ID              ‘mch_id‘ => $this->mch_id, //商户号              ‘nonce_str‘ => $this->createNoncestr(), //随机字符串  //            ‘body‘ => ‘test‘, //商品描述              ‘body‘ => $this->body,  //            ‘out_trade_no‘ => ‘2015450806125348‘, //商户订单号              ‘out_trade_no‘=> $this->out_trade_no,  //            ‘total_fee‘ => floatval(0.01 * 100), //总金额 单位 分              ‘total_fee‘ => $this->total_fee,             ‘spbill_create_ip‘ => $_SERVER[‘REMOTE_ADDR‘], //终端IP              // ‘spbill_create_ip‘ => ‘192.168.0.161‘, //终端IP              ‘notify_url‘ => ‘http://www.weixin.qq.com/wxpay/pay.php‘, //通知地址  确保外网能正常访问              ‘openid‘ => $this->openid, //用户id              ‘trade_type‘ => ‘JSAPI‘//交易类型          );          //统一下单签名          $parameters[‘sign‘] = $this->getSign($parameters);          $xmlData = $this->arrayToXml($parameters);          $return = $this->xmlToArray($this->postXmlCurl($xmlData, $url, 60));          return $return;      }      private static function postXmlCurl($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($ch, CURLOPT_SSL_VERIFYHOST, FALSE); //严格校验          //设置header          curl_setopt($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, $xml);          curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);          curl_setopt($ch, CURLOPT_TIMEOUT, 40);          set_time_limit(0);          //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($ch);              throw new WxPayException("curl出错，错误码:$error");          }      }      //数组转换成xml      private function arrayToXml($arr) {          $xml = "<root>";          foreach ($arr as $key => $val) {              if (is_array($val)) {                  $xml .= "<" . $key . ">" . arrayToXml($val) . "</" . $key . ">";              } else {                  $xml .= "<" . $key . ">" . $val . "</" . $key . ">";              }          }          $xml .= "</root>";          return $xml;      }      //xml转换成数组      private function xmlToArray($xml) {          //禁止引用外部xml实体           libxml_disable_entity_loader(true);          $xmlstring = simplexml_load_string($xml, ‘SimpleXMLElement‘, LIBXML_NOCDATA);          $val = json_decode(json_encode($xmlstring), true);          return $val;      }      //微信小程序接口      private function weixinapp() {          //统一下单接口          $unifiedorder = $this->unifiedorder();  //        print_r($unifiedorder);          $parameters = array(              ‘appId‘ => $this->appid, //小程序ID              ‘timeStamp‘ => ‘‘ . time() . ‘‘, //时间戳              ‘nonceStr‘ => $this->createNoncestr(), //随机串              ‘package‘ => ‘prepay_id=‘ . $unifiedorder[‘prepay_id‘], //数据包              ‘signType‘ => ‘MD5‘//签名方式          );          //签名          $parameters[‘paySign‘] = $this->getSign($parameters);          return $parameters;      }      //作用：产生随机字符串，不长于32位      private function createNoncestr($length = 32) {          $chars = "abcdefghijklmnopqrstuvwxyz0123456789";          $str = "";          for ($i = 0; $i < $length; $i++) {              $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);          }          return $str;      }      //作用：生成签名      private function getSign($Obj) {          foreach ($Obj as $k => $v) {              $Parameters[$k] = $v;          }          //签名步骤一：按字典序排序参数          ksort($Parameters);          $String = $this->formatBizQueryParaMap($Parameters, false);          //签名步骤二：在string后加入KEY          $String = $String . "&key=" . $this->key;          //签名步骤三：MD5加密          $String = md5($String);          //签名步骤四：所有字符转为大写          $result_ = strtoupper($String);          return $result_;      }      ///作用：格式化参数，签名过程需要使用      private function formatBizQueryParaMap($paraMap, $urlencode) {          $buff = "";          ksort($paraMap);          foreach ($paraMap as $k => $v) {              if ($urlencode) {                  $v = urlencode($v);              }              $buff .= $k . "=" . $v . "&";          }          $reqPar;        if (strlen($buff) > 0) {              $reqPar = substr($buff, 0, strlen($buff) - 1);          }          return $reqPar;      }   }?>