<?phpif (isset($argc) && $argc >= 1 && $argv[0] == __FILE__) {  //初始化pay的必要信息  $pay = new WechatPay(array(    WechatPay::APPID => 'wx99dabzpiuq83985b8',    WechatPay::APPSERCER => 'ac12e7e4abaer63hkoa0cc36a9663fa',    WechatPay::PARTNERKEY => 'bae4sfa3562rsfaq23s2045',    WechatPay::PARTNERID => '1268969802',    WechatPay::PAYSIGNKEY => '9Fqsxb3PK4IVOCEc4yCquy5zecS9LeeMjF2Nn4B4YKoOxPwaQdFwMezKT8oNlBYaWcuT',    WechatPay::SIGNTYPE => 'sha1',  ));  //設置package 必要的參數 jsapi native都通用  $pay->setParams(WechatPay::BANK_TYPE, "WX");  $pay->setParams(WechatPay::BODY, "test");  $pay->setParams(WechatPay::PARTNER, $pay->partnerid);  $pay->setParams(WechatPay::OUT_TRADE_NO, commonUtil::createNoncestr());  $pay->setParams(WechatPay::TOTAL_FEE, "1");  $pay->setParams(WechatPay::FEE_TYPE, "1");  $pay->setParams(WechatPay::TIMESTAMP, time());  $pay->setParams(WechatPay::NOTIFY_URL, "http://www.demo.com/notify");  $pay->setParams(WechatPay::SPBILL_CREATE_IP, "127.0.0.1");  $pay->setParams(WechatPay::INPUT_CHARSET, "UTF-8");  //JSAPI的簽名json  print_r($pay->createJsApiPackage());  //生成native XML  print_r($pay->createNativePackage());  //生成native URL  print_r($pay->createNativeUrl("9701"));}

{  "appId":"wx9998ff5f4dede5b7",  "package":"bank_type=WX&body=test&fee_type=1&input_charset=UTF-8¬ify_url=http%3A%2F%2Fwww.demo.com%2Fnotify&out_trade_no=Vf5qsSwtu0hc2loH&partner=wx9998ff5f4dede5b7&spbill_create_ip=127.0.0.1×tamp=1409295711&total_fee=1&sign=FEE0167BD0D89A88BF6850590EA889B6",  "timeStamp":1409295711,  "nonceStr":"Vf5qsSwtu0hc2loH",  "paySign":"f816264c750923863c370a1739640244b0c2d39c",  "signType":"sha1"}

<xml>  <AppId><![CDATA[wx9998ff5f4dede5b7]]></AppId>  <Package>    <![CDATA[bank_type=WX&body=test&fee_type=1&input_charset=UTF-8¬ify_url=http%3A%2F%2Fwww.demo.com%2Fnotify&out_trade_no=GDl3what4sALDEAd&partner=wx9998ff5f4dede5b7&spbill_create_ip=127.0.0.1×tamp=1409296124&total_fee=1&sign=BF949B85570644B939B369FD44B0C4A9]]>  </Package>  <TimeStamp>1409296124</TimeStamp>  <NonceStr><![CDATA[GDl3what4sALDEAd]]></NonceStr>  <RetCode>0</RetCode>  <RetErrMsg><![CDATA[ok]]></RetErrMsg>  <AppSignature><![CDATA[ca4a2467b817a62c38a9801fcf451f51692027bf]]></AppSignature>  <SignMethod><![CDATA[sha1]]></SignMethod></xml>

<?phpclass WechatPay {  const    BANK_TYPE = 'bank_type',    BODY = 'body',    PARTNER = 'partner',    OUT_TRADE_NO = 'out_trade_no',    TIMESTAMP = 'timestamp',    TOTAL_FEE = 'total_fee',    FEE_TYPE = 'fee_type',    NOTIFY_URL = 'notify_url',    SPBILL_CREATE_IP = 'spbill_create_ip',    INPUT_CHARSET = 'input_charset',    APPID = 'appid',    APPSERCER = 'appsercer',    PAYSIGNKEY = 'appkey',    PARTNERID = 'partnerid',    PARTNERKEY = 'partnerkey',    SIGNTYPE = 'signtype';  public    $params = array(), $partnerid = '';  static protected    $_instance;  protected    $_appid, $_appkey, $_signtype, $_partnerkey, $_appsercer;  static public function getInstance(array $options = array()) {    if (empty(self::$_instance)) {      self::$_instance = new self ($options);    }    return self::$_instance;  }  public function __construct(array $options = array()){    $this->_appid = $options[self::APPID];    $this->_appkey = $options[self::PAYSIGNKEY];    $this->_signtype = $options[self::SIGNTYPE];    $this->_partnerkey = $options[self::PARTNERKEY];    $this->_appsercer = $options[self::APPSERCER];    $this->partnerid = $options[self::APPID];  }  public function setParams($param, $paramValue) {    $this->params[CommonUtil::trimString($param)] = CommonUtil::trimString($paramValue);  }  public function getParams($param) {    return $this->params[$param];  }  protected function createNoncestr( $length = 16 ) {    $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";    $str ="";    for ( $i = 0; $i < $length; $i++ ) {      $str.= substr($chars, mt_rand(0, strlen($chars)-1), 1);    }    return $str;  }  public function checkParams(){    //必要的9個參與簽名的參數    if($this->params[self::BANK_TYPE] == null || $this->params[self::BODY] == null || $this->params[self::PARTNER] == null ||      $this->params[self::OUT_TRADE_NO] == null || $this->params[self::TOTAL_FEE] == null || $this->params[self::FEE_TYPE] == null ||      $this->params[self::NOTIFY_URL] == null || $this->params[self::SPBILL_CREATE_IP] == null || $this->params[self::INPUT_CHARSET] == null    ) {      return false;    }    return true;  }  /*   * 生成package包   * @params 初始化類時用setParams方法定義必要的9個參數   * 排序后格式化url query形式 再md5SignUtil類簽名，再給合URL   */  protected function getPackageSign(){    try {      if (null == $this->_partnerkey || "" == $this->_partnerkey ) {        throw new Exception("密鑰不能為空！" . "<br>");      }      $commonUtil = new CommonUtil();      ksort($this->params);      $unSignParaString = $commonUtil->formatUrlQuery($this->params, false);      $paraString = $commonUtil->formatUrlQuery($this->params, true);      $md5SignUtil = new MD5SignUtil();      return $paraString . "&sign=" . $md5SignUtil->sign($unSignParaString,commonUtil::trimString($this->_partnerkey));    } catch (Exception $e) {      echo ($e->getMessage());    }  }  /*   * 生成簽名方法   * @params appid appkey package timestamp noncestr 等參數而native事例代碼中加上retcode reterrmsg兩個參數   */  public function getPaySign($signObj){    foreach ($signObj as $k => $v){      $signParams[strtolower($k)] = $v;    }    try {      if ($this->_appkey == "") {        throw new Exception("APPKEY為空！" . "<br>");      }      $signParams["appkey"] = $this->_appkey;      ksort($signParams, SORT_STRING);      $commonUtil = new CommonUtil();      $signString = $commonUtil->formatPayUrlQuery($signParams, false);      return sha1($signString);    } catch (Exception $e) {      echo ($e->getMessage());    }  }  //JS API 簽名 其中nonceStr是作為訂單號 灌穿整個支付流程  public function createJsApiPackage(){    try {      if($this->checkParams() == false) {        throw new Exception("生成package參數缺失！" . "<br>");      }      $payObj["appId"] = $this->_appid;      $payObj["package"] = $this->getPackageSign();      $payObj["timeStamp"] = $this->getParams(self::TIMESTAMP);      $payObj["nonceStr"] = $this->getParams(self::OUT_TRADE_NO);      $payObj["paySign"] = $this->getPaySign($payObj);      $payObj["signType"] = $this->_signtype;      return json_encode($payObj);    } catch (Exception $e) {      die($e->getMessage());    }  }  /*   * 構建發貨狀態數組 主要三個參數openid transid orderid   */  public function createDeliverPost(Array $params) {    $deliver = array();    $deliver['appid'] = $this->_appid;    $deliver['openid'] = $params['openid'];    $deliver['transid'] = $params['transid'];    $deliver['out_trade_no'] = $params['out_trade_no'];    $deliver['deliver_timestamp'] = current_time('timestamp');    $deliver['deliver_status'] = 1;    $deliver['deliver_msg'] = 'OK';    $deliver['app_signature'] = $this->getPaySign($deliver);    $deliver['sign_method'] = 'sha1';    return $deliver;  }  /*   * 生成掃描或者點擊原生URL后，響應的XML格式   * @params $retcode $reterrmsg 定義該商品的狀態   */  public function createNativePackage($retcode = 0, $reterrmsg = "ok") {    try {      if ($this->checkParams() == false && $retcode == 0) {  //如果是正常的返回， 檢查財付通的參數        throw new Exception("生成package參數缺失！" . "<br>");      }      $nativeObj["AppId"] = $this->_appid;      $nativeObj["Package"] = $this->getPackageSign();      $nativeObj["TimeStamp"] = $this->getParams(self::TIMESTAMP);      $nativeObj["NonceStr"] = $this->getParams(self::OUT_TRADE_NO);      $nativeObj["RetCode"] = $retcode;      $nativeObj["RetErrMsg"] = $reterrmsg;      $nativeObj["AppSignature"] = $this->getPaySign($nativeObj);      $nativeObj["SignMethod"] = $this->_signtype;      $commonUtil = new CommonUtil();      $xml = $commonUtil->arrayToXml($nativeObj);      exit($xml);    }catch (Exception $e) {      echo ($e->getMessage());    }  }  /*   * 生成原生URL 以訂單號為參數 這是灌穿整個支付流程   */  public function createNativeUrl($productid) {    $commonUtil = new CommonUtil();    $nativeObj["appid"] = $this->_appid;    $nativeObj["productid"] = urlencode($productid);    $nativeObj["timestamp"] = time();    $nativeObj["nonceStr"] = commonUtil::createNoncestr();    $nativeObj["sign"] = $this->getPaySign($nativeObj);    $nativeString = $commonUtil->formatPayUrlQuery($nativeObj, false);    return "weixin://wxpay/bizpayurl?".$nativeString;  }  /*   * 取IP地址   */  public function getIp(){    switch(true) {      case !empty($_SERVER["HTTP_CLIENT_IP"]):        $ip = $_SERVER["HTTP_CLIENT_IP"];        break;      case !empty($_SERVER["HTTP_X_FORWARDED_FOR"]):        $ip = $_SERVER["HTTP_X_FORWARDED_FOR"];        break;      case !empty($_SERVER["REMOTE_ADDR"]):        $ip = $_SERVER["REMOTE_ADDR"];        break;      default:        $ip = "127.0.0.1";    }    return $ip;  }}class MD5SignUtil {  public function sign($content, $key) {    try {      if (null == $key) {        throw new Exception("財付通簽名key不能為空！" . "<br>");      }      if (null == $content) {        throw new Exception("財付通簽名內容不能為空" . "<br>");      }      $signStr = $content . "&key=" . $key;      return strtoupper(md5($signStr));    } catch (Exception $e) {      echo ($e->getMessage());    }  }  public static function verifySignature($content, $sign, $md5Key) {    $signStr = $content . "&key=" . $md5Key;    $calculateSign = strtolower(md5($signStr));    $tenpaySign = strtolower($sign);    return $calculateSign == $tenpaySign;  }}class CommonUtil {  public function genAllUrl($toURL, $paras) {    $allUrl = null;    if (null == $toURL) {      die("toURL is null");    }    if (strripos($toURL,"?") =="") {      $allUrl = $toURL . "?" . $paras;    } else {      $allUrl = $toURL . "&" . $paras;    }    return $allUrl;  }  //訂單號，可根據實際自定義  static public function createOrderNo() {    $nonce = CommonUtil::createNoncestr(4);    return strtoupper(date('ymds').substr(microtime(),2,4).$nonce);  }  //隨機字符串  static public function createNoncestr( $length = 16 ) {    $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";    $str ="";    for ( $i = 0; $i < $length; $i++ ) {      $str.= substr($chars, mt_rand(0, strlen($chars)-1), 1);    }    return $str;  }  public function splitParaStr($src, $token) {    $resMap = array();    $items = explode($token,$src);    foreach ($items as $item){      $paraAndValue = explode("=",$item);      if ($paraAndValue != "") {        $resMap[$paraAndValue[0]] = $paraAndValue[1];      }    }    return $resMap;  }  static function trimString($value) {    $ret = null;    if (null != $value) {      $ret = $value;      if (strlen($ret) == 0) {        $ret = null;      }    }    return $ret;  }  public function formatUrlQuery($paraMap, $urlencode) {    $buff = "";    ksort($paraMap, SORT_STRING);    foreach ($paraMap as $k => $v) {      if (null != $v && "null" != $v && "sign" != $k) {        if($urlencode) {          $v = urlencode($v);        }        $buff .= $k . "=" . $v . "&";      }    }    $reqPar = '';    if (strlen($buff) > 0) {      $reqPar = substr($buff, 0, strlen($buff)-1);    }    return $reqPar;  }  public function formatPayUrlQuery($paraMap, $urlencode) {    $buff = "";    ksort($paraMap, SORT_STRING);    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 $reqPar;  }  /*   * 輸出一級數組的xml格式   */  public function arrayToXml($arr) {    $xml = "<xml>";    foreach ($arr as $key=>$val) {      if ($key == 'TimeStamp' || $key == 'RetCode') {        $xml.="<".$key.">".$val."</".$key.">";      } else        $xml.="<".$key."><![CDATA[".$val."]]></".$key.">";    }    $xml .= "</xml>";    return $xml;  }}