php封装app微信支付

àì夳堔傛蜴生んèń 2023-02-17 02:40 9阅读 0赞

##### 最后的结果是这样的，然后就不知道接下来怎么办才好了，麻烦知道的给说一下，麻烦了 #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDc5NzE4Mg_size_16_color_FFFFFF_t_70]

<?php
    class Wxpayandroid
    { 
     //参数配置
     public $config = array(
        'appid' => "wx426b3015555a46be", /*微信开放平台上的应用id*/
        'mch_id' => "1225312702", /*微信申请成功之后邮件中的商户id*/
        'api_key' => "e10adc3949ba59abbe56e057f20f883e", /*在微信商户平台上自己设定的api密钥 32位*/
       );
     //服务器异步通知页面路径(必填)
     public $notify_url = 'http://www.weixin.qq.com/wxpay/pay.php';
     //商户订单号(必填，商户网站订单系统中唯一订单号)
     public $out_trade_no = '20150806125346';
     //商品描述(必填，不填则为商品名称)
     public $body = '测试商品';
     //付款金额(必填)
     public $total_fee = 1;
     //自定义超时(选填，支持dhmc)
     public $time_expire = '';
     private $WxPayHelper;
     
    
     public function Weixinpayandroid($total_fee,$tade_no)
     { 
      $this->total_fee = intval($total_fee);  //订单的费用（分）
      $this->out_trade_no = $tade_no;// date('YmdHis') . substr(time(), - 5) . substr(microtime(), 2, 5) . sprintf('%02d', rand(0, 99));//订单号
      $this->body = '微信支付的描述信息';//支付描述信息
      $this->time_expire = date('YmdHis', time() + 86400);  //订单支付的过期时间(eg:一天过期 60*60*12*2)
      $this->notify_url = "http://wei.com/book/wxpay-app.php";//异步通知URL(更改支付状态)
    
      //数据以JSON的形式返回给APP
      $app_response = $this->doPay(); //验证数据及返回数据
      if (isset($app_response['return_code']) && $app_response['return_code'] == 'FAIL') { 
       $errorCode = 100;
       $errorMsg = $app_response['return_msg'];
       $this->echoResult($errorCode, $errorMsg);
      } else { 
       $errorCode = 0;
       $errorMsg = 'success';
       $responseData = array(
        'notify_url' => $this->notify_url,
        'app_response' => $app_response,
       );
       $this->echoResult($errorCode, $errorMsg, $responseData);
      }
     }
     //接口输出
     function echoResult($errorCode = 0, $errorMsg = 'success', $responseData = array())
     { 
      $arr = array(
       'errorCode' => $errorCode,
       'errorMsg' => $errorMsg,
       'responseData' => $responseData,
      );
       exit(json_encode($arr));  //exit可以正常发送给APP json数据
      // return json_encode($arr); //在TP5中return这个json数据，APP接收到的是null,无法正常吊起微信支付
     }
     function getVerifySign($data, $key) 
     { 
      $String = $this->formatParameters($data, false);
      //签名步骤二：在string后加入KEY
      $String = $String . "&key=" . $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 $result;
     }
     function formatParameters($paraMap, $urlencode)
     { 
      $buff = "";
      ksort($paraMap);
      foreach ($paraMap as $k => $v) { 
       if($k=="sign"){ 
        continue;
       }
       if ($urlencode) { 
        $v = urlencode($v);
       }
       $buff .= $k . "=" . $v . "&";
      }
      $reqPar;
      if (strlen($buff) > 0) { 
       $reqPar = substr($buff, 0, strlen($buff) - 1);
      }
      return $reqPar;
     }
     /** * 得到签名 * @param object $obj * @param string $api_key * @return string */
     function getSign($obj, $api_key)
     { 
      foreach ($obj as $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);
      //签名步骤二：在string后加入KEY
      $String = $String."&key=".$api_key;
      //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 * @param int $length * @return Ambigous <NULL, string> */
     function getRandChar($length){ 
      $str = null;
      $strPol = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz";
      $max = strlen($strPol)-1; //下标从0开始，所以要减一
      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xml * @param array $arr * @return string */
     function arrayToXml($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;
     }
     /** * 以post方式提交xml到对应的接口url * * @param string $xml 需要post的xml数据 * @param string $url url * @param bool $useCert 是否需要证书，默认不需要 * @param int $second url执行超时时间，默认30s * @throws WxPayException */
     function postXmlCurl($xml, $url, $second=30, $useCert=false, $sslcert_path='', $sslkey_path='')
     { 
      $ch = curl_init();
      //设置超时
      curl_setopt($ch, CURLOPT_TIMEOUT, $second);
      curl_setopt($ch,CURLOPT_URL, $url);
      //设置header
      curl_setopt($ch, CURLOPT_HEADER, FALSE);
      //要求结果为字符串且输出到屏幕上
      curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
      curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);
      curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);
      if($useCert == true){ 
       curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,TRUE);
       curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,2);//严格校验
       //设置证书
       //使用证书：cert 与 key 分别属于两个.pem文件
       curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
       curl_setopt($ch,CURLOPT_SSLCERT, $sslcert_path);
       curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
       curl_setopt($ch,CURLOPT_SSLKEY, $sslkey_path);
      }
      //post提交方式
      curl_setopt($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($ch);
       return false;
      }
     }
     /** * 获取当前服务器的IP * @return Ambigous <string, unknown> */
     function get_client_ip()
     { 
      if (isset($_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 = "127.0.0.1";
      }
      return $cip;
     }
     /** * 将数组转成uri字符串 * @param array $paraMap * @param bool $urlencode * @return string */
     function formatBizQueryParaMap($paraMap, $urlencode)
     { 
      $buff = "";
      ksort($paraMap);
      foreach ($paraMap as $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转数组 * @param unknown $xml * @return mixed */
     function xmlToArray($xml)
     { 
      //将XML转为array
      $array_data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
      return $array_data;
     }
    /* 检测呢些需要的参数是否正确 */
     public function chkParam()
     { 
      //用户网站订单号
      if (empty($this->out_trade_no)) { 
       die('out_trade_no error');
      } 
      //商品描述
      if (empty($this->body)) { 
       die('body error');
      }
      if (empty($this->time_expire)){ 
       die('time_expire error');
      }
      //检测支付金额
      if (empty($this->total_fee) || !is_numeric($this->total_fee)) { 
       die('total_fee error');
      }
      //异步通知URL
      if (empty($this->notify_url)) { 
       die('notify_url error');
      }
      if (!preg_match("#^http:\/\/#i", $this->notify_url)) { 
       $this->notify_url = "http://" . $_SERVER['HTTP_HOST'] . $this->notify_url;
      }
      return true;
     }
     /** * 生成支付(返回给APP) * @return boolean|mixed */
     public function doPay() { 
      //检测构造参数
      $this->chkParam();
      return $this->createAppPara();
     }
     /** * APP统一下单 */
     private function createAppPara()
     { 
      $url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
      $data["appid"]  = $this->config['appid'];//微信开放平台审核通过的应用APPID
      $data["body"]   = $this->body;//商品或支付单简要描述
      $data["mch_id"]  = $this->config['mch_id'];//商户号
      $data["nonce_str"] = $this->getRandChar(32);//随机字符串
      $data["notify_url"] = $this->notify_url;//通知地址
      $data["out_trade_no"] = $this->out_trade_no;//商户订单号
      $data["spbill_create_ip"] = $this->get_client_ip();//终端IP
      $data["total_fee"]  = $this->total_fee;//总金额
      $data["time_expire"]  = $this->time_expire;//交易结束时间
      $data["trade_type"]  = "APP";//交易类型
      $data["sign"]    = $this->getSign($data, $this->config['api_key']);//签名
      $xml  = $this->arrayToXml($data);
      $response = $this->postXmlCurl($xml, $url);
      //将微信返回的结果xml转成数组
      $responseArr = $this->xmlToArray($response);
      if(isset($responseArr["return_code"]) && $responseArr["return_code"]=='SUCCESS'){ 
       return $this->getOrder($responseArr['prepay_id']);
      }
      return $responseArr;
     }
    
     /** * 执行第二次签名，才能返回给客户端使用 * @param int $prepayId:预支付交易会话标识 * @return array */
     public function getOrder($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();
      $data["sign"]  = $this->getSign($data, $this->config['api_key']);
      $data["packagestr"] = "Sign=WXPay";
      return $data;
     }
     /** * 异步通知信息验证 * @return boolean|mixed */
     public function verifyNotify()
     { 
      $xml = isset($GLOBALS['HTTP_RAW_POST_DATA']) ? $GLOBALS['HTTP_RAW_POST_DATA'] : ''; 
      if(!$xml){ 
       return false;
      }
      $wx_back = $this->xmlToArray($xml);
      if(empty($wx_back)){ 
       return false;
      }
      $checkSign = $this->getVerifySign($wx_back, $this->config['api_key']); 
      if($checkSign=$wx_back['sign']){ 
       return $wx_back;
      }else{ 
       return false;
      } 
     }
    }
    
    
    $wxpayandroid = new \Wxpayandroid;  //实例化微信支付类
    var_dump( $wxpayandroid->Weixinpayandroid(1,date('YmdHis'))); //调用weixinpay方法

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