cf-platform/ThinkPHP/Library/Vendor/WeixinPayBtoC/WeixinPayBtoC.php

<?php
/**
 * 微信支付
 */
include_once("SDKRuntimeException.php");

/**
 * 所有接口的基类
 */
class Common_util_pub
{
    const SSLCERT_PATH = __DIR__ . '/cacert/apiclient_cert.pem';
    const SSLKEY_PATH = __DIR__ . '/cacert/apiclient_key.pem';

    function __construct($appid='', $mchid='') {
        if ($appid)
            $this->appid=$appid;
        if ($mchid)
            $this->mchid=$mchid;
    }

    function trimString($value)
    {
        $ret = null;
        if (null != $value)
        {
            $ret = $value;
            if (strlen($ret) == 0)
            {
                $ret = null;
            }
        }
        return $ret;
    }

    /**
     * 	作用：产生随机字符串，不长于32位
     */
    public 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：格式化参数，签名过程需要使用
     */
    function formatBizQueryParaMap($paraMap, $urlencode)
    {
        // $buff = "";
        // ksort($paraMap);
        // foreach ($paraMap as $k => $v)
        // {
        //     if($urlencode)
        //     {
        // 	   $v = urlencode($v);
        // 	}
        // 	//$buff .= strtolower($k) . "=" . $v . "&";
        // 	$buff .= $k . "=" . $v . "&";
        // }
        // $reqPar;
        // if (strlen($buff) > 0)
        // {
        // 	$reqPar = substr($buff, 0, strlen($buff)-1);
        // }
        // return $reqPar;
        $buff = "";
        foreach ($paraMap as $k => $v)
        {
            if($k != "sign" && $v != "" && !is_array($v)){
                $buff .= $k . "=" . $v . "&";
            }
        }

        $buff = trim($buff, "&");
        return $buff;
    }

    /**
     * 	作用：生成签名
     */
    public 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);
        //echo '【string1】'.$String.'</br>';
        //签名步骤二：在string后加入KEY
        $String = $String."&key=".$this->key;
        // var_dump($String);
        //echo "【string2】".$String."</br>";
        //签名步骤三：MD5加密
        $String = md5($String);
        //echo "【string3】 ".$String."</br>";
        //签名步骤四：所有字符转为大写
        $result_ = strtoupper($String);
        //echo "【result】 ".$result_."</br>";
        return $result_;
    }

    /**
     * 	作用：array转xml
     */
    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;
    }

    /**
     * 	作用：将xml转为array
     */
    public 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;
    }

    /**
     * 	作用：以post方式提交xml到对应的接口url
     */
    function postXmlCurl($xml, $url, $useCert = false, $second = 30,$tt=0)
    {
        $ch = curl_init();
        //设置超时
        curl_setopt($ch, CURLOPT_TIMEOUT, $second);

        //如果有配置代理这里就设置代理
        // if(WxPayConfig::CURL_PROXY_HOST != "0.0.0.0"
        // 	&& WxPayConfig::CURL_PROXY_PORT != 0){
        // 	curl_setopt($ch,CURLOPT_PROXY, WxPayConfig::CURL_PROXY_HOST);
        // 	curl_setopt($ch,CURLOPT_PROXYPORT, WxPayConfig::CURL_PROXY_PORT);
        // }
        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);

        if($useCert == true){
            if($tt==3){
                //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, WxPayConfig::SSLCERT_PATH_APP);
                curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
                curl_setopt($ch,CURLOPT_SSLKEY, WxPayConfig::SSLKEY_PATH_APP);

            }else{
                //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, WxPayConfig::SSLCERT_PATH);
                curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
                curl_setopt($ch,CURLOPT_SSLKEY, WxPayConfig::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($ch);
            throw new WxPayException("curl出错，错误码:$error");
        }
    }

    /**
     * 	作用：使用证书，以post方式提交xml到对应的接口url
     */
    function postXmlSSLCurl($xml,$url,$second=30)
    {
        $ch = curl_init();
        //超时时间
        curl_setopt($ch,CURLOPT_TIMEOUT,$second);
        //这里设置代理，如果有的话
        //curl_setopt($ch,CURLOPT_PROXY, '8.8.8.8');
        //curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
        curl_setopt($ch,CURLOPT_URL, $url);
        curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);
        curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);
        //设置header
        curl_setopt($ch,CURLOPT_HEADER,FALSE);
        //要求结果为字符串且输出到屏幕上
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,TRUE);
        //设置证书
        //使用证书：cert 与 key 分别属于两个.pem文件
        //默认格式为PEM，可以注释
        curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
        curl_setopt($ch,CURLOPT_SSLCERT, self::SSLCERT_PATH);
        //默认格式为PEM，可以注释
        curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
        curl_setopt($ch,CURLOPT_SSLKEY, self::SSLKEY_PATH);
        //post提交方式
        curl_setopt($ch,CURLOPT_POST, true);
        curl_setopt($ch,CURLOPT_POSTFIELDS,$xml);
        $data = curl_exec($ch);
        //返回结果
        if($data){
            curl_close($ch);
            return $data;
        }
        else {
            $error = curl_errno($ch);
            echo "curl出错，错误码:$error"."<br>";
            echo "<a href='http://curl.haxx.se/libcurl/c/libcurl-errors.html'>错误原因查询</a></br>";
            curl_close($ch);
            return false;
        }
    }

    /**
     * 	作用：打印数组
     */
    function printErr($wording='',$err='')
    {
        print_r('<pre>');
        echo $wording."</br>";
        print_r('</pre>');
    }
    function wite_text($txt,$name){
        $myfile = fopen($name, "w") or die("Unable to open file!");
        fwrite($myfile, $txt);
        fclose($myfile);
    }
}

/**
 * 请求型接口的基类
 */
class Wxpay_client_pub extends Common_util_pub
{
    var $parameters;//请求参数，类型为关联数组
    public $response;//微信返回的响应
    public $result;//返回参数，类型为关联数组
    var $url;//接口链接
    var $curl_timeout;//curl超时时间

    /**
     * 	作用：设置请求参数
     */
    function setParameter($parameter, $parameterValue)
    {
        $this->parameters[$this->trimString($parameter)] = $this->trimString($parameterValue);
    }

    /**
     * 	作用：设置标配的请求参数，生成签名，生成接口参数xml
     */
    function createXml()
    {
        $this->parameters["appid"] = $this->appid;//公众账号ID
        $this->parameters["mch_id"] = $this->mchid;//商户号
        $this->parameters["nonce_str"] = $this->createNoncestr();//随机字符串
        $this->parameters["sign"] = $this->getSign($this->parameters);//签名
        return  $this->arrayToXml($this->parameters);
    }

    /**
     * 	作用：post请求xml
     */
    function postXml($tt='')
    {
        $xml = $this->createXml();
        $this->response = $this->postXmlCurl($xml,$this->url,'',$this->curl_timeout,$tt);
        return $this->response;
    }

    /**
     * 	作用：使用证书post请求xml
     */
    function postXmlSSL()
    {
        $xml = $this->createXml();
        $this->response = $this->postXmlSSLCurl($xml,$this->url,$this->curl_timeout);
        return $this->response;
    }

    /**
     * 	作用：获取结果，默认不使用证书
     */
    function getResult($tt='')
    {
        $this->postXml($tt);
        $this->result = $this->xmlToArray($this->response);
        return $this->result;
    }
}

/**
 * 统一支付接口类
 */
class WeixinPayBtoC extends Wxpay_client_pub
{
    function __construct($config)
    {
        if(empty($config)){
            throw new Exception("请输入配置");
        }
        $this->appid = $config['appid'];
        $this->mchid = $config['mchid'];
        $this->secret = $config['secret'];


        // if ($appid)
        //     $this->appid = $appid;
        // if ($mchid)
        //     $this->mchid = $mchid;
        //设置接口链接
        $this->url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers";
        //设置curl超时时间
        $this->curl_timeout = 30;
    }

    /**
     * 生成接口参数xml
     */
    function createXml()
    {
        try
        {
            $this->parameters["appid"] = $this->appid;//公众账号ID
            $this->parameters["mch_id"] = $this->mchid;//商户号
            $this->parameters["spbill_create_ip"] = $this->get_real_ip();//$_SERVER['REMOTE_ADDR'];//终端ip
            $this->parameters["nonce_str"] = $this->createNoncestr();//随机字符串
            $this->parameters["sign"] = $this->getSign($this->parameters);//签名
            return  $this->arrayToXml($this->parameters);
        }catch (SDKRuntimeException $e)
        {
            die($e->errorMessage());
        }
    }

    //获取真是ip
    public function get_real_ip(){
        $ip=false;
        if(!empty($_SERVER['HTTP_CLIENT_IP'])){
            $ip=$_SERVER['HTTP_CLIENT_IP'];
        }
        if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){
            $ips=explode (', ', $_SERVER['HTTP_X_FORWARDED_FOR']);
            if($ip){ array_unshift($ips, $ip); $ip=FALSE; }
            for ($i=0; $i < count($ips); $i++){
                if(!preg_match ('/^(10│172.16│192.168)./', $ips[$i])){
//                if(!eregi ('^(10│172.16│192.168).', $ips[$i])){
                    $ip=$ips[$i];
                    break;
                }
            }
        }
        return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
    }

    /**
     * 获取prepay_id
     */
    function getPrepayId()
    {
        $this->postXml();
        $this->result = $this->xmlToArray($this->response);
        $prepay_id = $this->result["prepay_id"];
        return $prepay_id;
    }

    public function wxPayBtoC($amount, $openId, $realName, $orderId='', $desc='') {
        $totalAmount = (100) * $amount;

        $data=array(
            'mch_appid'=> $this->appid, //商户账号appid
            'mchid'=> $this->mchid,//商户号
            'nonce_str'=> $this->createNoncestr(),//随机字符串
            'partner_trade_no'=> $orderId ? $orderId : date('YmdHis').rand(1000, 9999),//商户订单号
            'openid'=> $openId,//用户openid
            'check_name'=>'FORCE_CHECK',//校验用户姓名选项,
            're_user_name'=> $realName,//收款用户姓名
            'amount'=>$totalAmount,//金额
            'desc'=> $desc ? $desc : '打款',//企业付款描述信息
            'spbill_create_ip'=> get_client_ip(),//Ip地址
        );

        //生成签名算法
        $secretKey = $this->secret;///这个就是个API密码。MD5 32位。
        $data = array_filter($data);
        ksort($data);
        $str = '';
        foreach($data as $k=>$v) {
            $str.=$k.'='.$v.'&';
        }
        $str = $str . 'key='. $secretKey;
        $data['sign'] = strtoupper(md5($str));
        //生成签名算法
        $xml = $this->arraytoxml($data);

        $url='https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers'; //调用接口

        $res = $this->postXmlSSLCurl($xml, $url);
        $return = $this->xmltoarray($res);

        return $return;

        //返回来的结果是xml，最后转换成数组
        /*
        array(9) {
         ["return_code"]=>
         string(7) "SUCCESS"
         ["return_msg"]=>
         array(0) {
         }
         ["mch_appid"]=>
         string(18) "wx57676786465544b2a5"
         ["mchid"]=>
         string(10) "143345612"
         ["nonce_str"]=>
         string(32) "iw6TtHdOySMAfS81qcnqXojwUMn8l8mY"
         ["result_code"]=>
         string(7) "SUCCESS"
         ["partner_trade_no"]=>
         string(18) "201807011410504098"
         ["payment_no"]=>
         string(28) "1000018301201807019357038738"
         ["payment_time"]=>
         string(19) "2018-07-01 14:56:35"
        }
        */


        $responseObj = simplexml_load_string($res, 'SimpleXMLElement', LIBXML_NOCDATA);
        echo $res= $responseObj->return_code; //SUCCESS 如果返回来SUCCESS,则发生成功，处理自己的逻辑

        return $res;
    }

}




?>