Implement WeChat scan code payment php code sharing

createJsBizPackage($payAmount,$outTradeNo,$orderName,$notifyUrl,$payTime);//生成二维码$url2 = $arr['code_url'];//echo "";class WxpayService{
    protected $mchid;    protected $appid;    protected $apiKey;    public function __construct($mchid, $appid, $key)
    {
        $this->mchid = $mchid;        $this->appid = $appid;        $this->apiKey = $key;
    }    /**
     * 发起订单
     * @param float $totalFee 收款总费用 单位元
     * @param string $outTradeNo 唯一的订单号
     * @param string $orderName 订单名称
     * @param string $notifyUrl 支付结果通知url 不要有问号
     * @param string $timestamp 订单发起时间
     * @return array
     */
    public function createJsBizPackage($totalFee, $outTradeNo, $orderName, $notifyUrl, $timestamp)
    {
        $config = array(            'mch_id' => $this->mchid,            'appid' => $this->appid,            'key' => $this->apiKey,
        );        //$orderName = iconv('GBK','UTF-8',$orderName);
        $unified = array(            'appid' => $config['appid'],            'attach' => 'pay',             //商家数据包，原样返回，如果填写中文，请注意转换为utf-8
            'body' => $orderName,            'mch_id' => $config['mch_id'],            'nonce_str' => self::createNonceStr(),            'notify_url' => $notifyUrl,            'out_trade_no' => $outTradeNo,            'spbill_create_ip' => '127.0.0.1',            'total_fee' => intval($totalFee * 100),       //单位 转为分
            'trade_type' => 'NATIVE',
        );        $unified['sign'] = self::getSign($unified, $config['key']);        $responseXml = self::curlPost('https://api.mch.weixin.qq.com/pay/unifiedorder', self::arrayToXml($unified));        $unifiedOrder = simplexml_load_string($responseXml, 'SimpleXMLElement', LIBXML_NOCDATA);        if ($unifiedOrder === false) {            die('parse xml error');
        }        if ($unifiedOrder->return_code != 'SUCCESS') {            die($unifiedOrder->return_msg);
        }        if ($unifiedOrder->result_code != 'SUCCESS') {            die($unifiedOrder->err_code);
        }        $codeUrl = (array)($unifiedOrder->code_url);        if(!$codeUrl[0]) exit('get code_url error');        $arr = array(            "appId" => $config['appid'],            "timeStamp" => $timestamp,            "nonceStr" => self::createNonceStr(),            "package" => "prepay_id=" . $unifiedOrder->prepay_id,            "signType" => 'MD5',            "code_url" => $codeUrl[0],
        );        $arr['paySign'] = self::getSign($arr, $config['key']);        return $arr;
    }    public function notify()
    {
        $config = array(            'mch_id' => $this->mchid,            'appid' => $this->appid,            'key' => $this->apiKey,
        );        $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];        $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);        if ($postObj === false) {            die('parse xml error');
        }        if ($postObj->return_code != 'SUCCESS') {            die($postObj->return_msg);
        }        if ($postObj->result_code != 'SUCCESS') {            die($postObj->err_code);
        }        $arr = (array)$postObj;        unset($arr['sign']);        if (self::getSign($arr, $config['key']) == $postObj->sign) {            echo '';            return $postObj;
        }
    }    /**
     * curl get
     *
     * @param string $url
     * @param array $options
     * @return mixed
     */
    public static function curlGet($url = '', $options = array())
    {
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_TIMEOUT, 30);        if (!empty($options)) {
            curl_setopt_array($ch, $options);
        }        //https请求 不验证证书和host
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);        $data = curl_exec($ch);
        curl_close($ch);        return $data;
    }    public static function curlPost($url = '', $postData = '', $options = array())
    {
        if (is_array($postData)) {            $postData = http_build_query($postData);
        }        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
        curl_setopt($ch, CURLOPT_TIMEOUT, 30); //设置cURL允许执行的最长秒数
        if (!empty($options)) {
            curl_setopt_array($ch, $options);
        }        //https请求 不验证证书和host
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);        $data = curl_exec($ch);
        curl_close($ch);        return $data;
    }    public static function createNonceStr($length = 16)
    {
        $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';        $str = '';        for ($i = 0; $i < $length; $i++) {            $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
        }        return $str;
    }    public static function arrayToXml($arr)
    {
        $xml = "";        foreach ($arr as $key => $val) {            if (is_numeric($val)) {                $xml .= "<" . $key . ">" . $val . "";
            } else
                $xml .= "<" . $key . ">";
        }        $xml .= "";        return $xml;
    }    /**
     * 获取签名
     */
    public static function getSign($params, $key)
    {
        ksort($params, SORT_STRING);        $unSignParaString = self::formatQueryParaMap($params, false);        $signStr = strtoupper(md5($unSignParaString . "&key=" . $key));        return $signStr;
    }    protected static function formatQueryParaMap($paraMap, $urlEncode = false)
    {
        $buff = "";
        ksort($paraMap);        foreach ($paraMap as $k => $v) {            if (null != $v && "null" != $v) {                if ($urlEncode) {                    $v = urlencode($v);
                }                $buff .= $k . "=" . $v . "&";
            }
        }        $reqPar = '';        if (strlen($buff) > 0) {            $reqPar = substr($buff, 0, strlen($buff) - 1);
        }        return $reqPar;
    }
}?> 

notify();//file_put_contents('2.txt',json_encode($result));//测试结果//$result['transaction_id']为微信交易号 if($result){    if(array_key_exists("return_code", $result)
&& array_key_exists("result_code", $result)&& $result["return_code"] == "SUCCESS"&& $result["result_code"] == "SUCCESS"){    //file_put_contents('1.txt',1);$sj=date("Y-m-d H:i:s");$uip=$_SERVER["REMOTE_ADDR"];$sql="select * from yjcode_dingdang where bh='".$result['out_trade_no']."' and ifok=0";mysql_query("SET NAMES 'GBK'");$res=mysql_query($sql);if($row=mysql_fetch_array($res)){
 updatetable("yjcode_dingdang","sj='".$sj."',uip='".$uip."',alipayzt='TRADE_SUCCESS',ddzt='交易成功',ifok=1 ,wxddbh=".$result['transaction_id']." where id=".$row[id]); $money1=$row['money1'];
 PointIntoM($row['userid'],"微信充值".$money1."元",$money1);
 PointUpdateM($row[userid],$money1);
}            return true;
        }


}else{    echo 'pay error';
}class WxpayService{
    protected $mchid;    protected $appid;    protected $apiKey;    public function __construct($mchid, $appid, $key)
    {
        $this->mchid = $mchid;        $this->appid = $appid;        $this->apiKey = $key;
    }    public function notify()
    {
        $config = array(            'mch_id' => $this->mchid,            'appid' => $this->appid,            'key' => $this->apiKey,
        );        $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];        $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);        if ($postObj === false) {            die('parse xml error');
        }        if ($postObj->return_code != 'SUCCESS') {            die($postObj->return_msg);
        }        if ($postObj->result_code != 'SUCCESS') {            die($postObj->err_code);
        }        $arr = (array)$postObj;        unset($arr['sign']);        if (self::getSign($arr, $config['key']) == $postObj->sign) {            echo '';            return $arr;
        }
    }    /**
     * 获取签名
     */
    public static function getSign($params, $key)
    {
        ksort($params, SORT_STRING);        $unSignParaString = self::formatQueryParaMap($params, false);        $signStr = strtoupper(md5($unSignParaString . "&key=" . $key));        return $signStr;
    }    protected static function formatQueryParaMap($paraMap, $urlEncode = false)
    {
        $buff = "";
        ksort($paraMap);        foreach ($paraMap as $k => $v) {            if (null != $v && "null" != $v) {                if ($urlEncode) {                    $v = urlencode($v);
                }                $buff .= $k . "=" . $v . "&";
            }
        }        $reqPar = '';        if (strlen($buff) > 0) {            $reqPar = substr($buff, 0, strlen($buff) - 1);
        }        return $reqPar;
    }
}