/**
     * 格式化参数格式化成url参数
     */
    public function ToUrl($arr)
    {
        $buff = "";
        foreach ($arr as $k => $v)
        {
            if($k != "sign" && $v != "" && !is_array($v)){
                $buff .= $k . "=" . $v . "&";
            }
        }    
        $buff = trim($buff, "&");
        return $buff;
    }
        //将乱序的数组    
        public function ToSign($arr,$key)
    {
        //签名步骤一：按字典序排序参数
        ksort($arr);
        $string = ToUrl($arr);    
        //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
//        $result1 = strtoupper($string);
        return $string;
    }
/**
     * 输出xml字符
     * @throws WxPayException
    **/
    public static function ToXml($arr)
    {
        if(!is_array($arr) || count($arr) <= 0)
        {
            echo ‘数据异常‘;
    }     
        $xml = "<xml>";
        foreach ($arr as $key=>$val)
        {
            if (is_numeric($val)){
                $xml.="<".$key.">".$val."</".$key.">";
            }else{
                $xml.="<".$key."><![CDATA[".$val."]]></".$key.">";
            }
        }
        $xml.="</xml>";
        return $xml; 
    }
/**
     * zll 生成唯一订单号
     */
    public function order_sn(){
        $str = "qyfk".uniqid();
        return $str;
    }
/**
     * zll 将信息提交到微信服务器,发起企业付款
     */
    public function qyzf_post($url,$xml,$config,$second=30){
        $ch = curl_init();
        curl_setopt($ch,CURLOPT_TIMEOUT,$second);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
        curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false);
//        curl_setopt($ch,CURLOPT_SSLCERT,"/home/lizi/addons/grow/template/mobile/cash/apiclient_cert.pem");
//        curl_setopt($ch,CURLOPT_SSLKEY,"/home/lizi/addons/grow/template/mobile/cash/apiclient_key.pem");
        $str = ‘D:/www/‘;//证书必须使用绝对路径,否则报错,错误貌似是52什么的
        curl_setopt($ch,CURLOPT_SSLCERTTYPE,‘PEM‘);
        curl_setopt($ch,CURLOPT_SSLCERT,$str.trim($config[‘apiclient_cert‘],‘.‘));
        curl_setopt($ch,CURLOPT_SSLKEYTYPE,‘PEM‘);
        curl_setopt($ch,CURLOPT_SSLKEY,$str.trim($config[‘apiclient_key‘],‘.‘));
        curl_setopt($ch,CURLOPT_POST, 1);
        curl_setopt($ch,CURLOPT_POSTFIELDS,$xml);
        $data = curl_exec($ch);
        if($data){
            curl_close($ch);
            return $data;
        }else{
            $error = curl_errno($ch);
            echo "call faild, errorCode:$error\n";
            curl_close($ch);
            return false;
        }
    }
/**
     * zll 企业付款
     */
    public function qiyezhifu($data){
        //解释amount为付款金额,单位分,貌似最低1元,desc为付款的描述(必填),ip就是服务器ip必填
        //$data = array(‘wxappid‘=>14,‘openid‘=>‘oRyzq0LrtuqKqQdH-FubBqcMuTi8-‘,‘amount‘=>100,‘desc‘=>‘提现奖励‘,‘ip‘=>‘123.207.19.254‘);
        
        
        //获取数据库的支付配置信息
        $config = get_pay_conf($data[‘wxappid‘]);
        if($config){
            //对必备参数进行有效性判断
            if(empty($config[‘appid‘]) || empty($config[‘shh‘]) || empty($config[‘partnerkey‘]) || empty($data[‘amount‘]) || empty($config[‘apiclient_cert‘]) || empty($config[‘apiclient_key‘])){
                throw new Exception("支付配置中的appid或商户号或支付秘钥不能为空,或支付金额不能为空");
            }else{
                $da[‘mch_appid‘] = $config[‘appid‘];                //appid
                $da[‘mchid‘] = $config[‘shh‘];                        //商户号
                $da[‘nonce_str‘] = $this->getStr(32);                //随机字符串
                $da[‘partner_trade_no‘] = $this->order_sn();        //订单号,保持唯一性即可
                $da[‘openid‘] = $data[‘openid‘];                    //粉丝的openid
                $da[‘check_name‘] = "NO_CHECK";                        //NO_CHECK：不校验真实姓名 FORCE_CHECK：强校验真实姓名（未实名认证的用户会校验失败，无法转账） OPTION_CHECK：针对已实名认证的用户才校验真实姓名（未实名认证用户不校验，可以转账成功）
                //$da[‘re_user_name‘] = "";                            //收款用户真实姓名。 如果check_name设置为FORCE_CHECK或OPTION_CHECK，则必填用户真实姓名
                $da[‘amount‘] = $data[‘amount‘];                            //付款金额,单位分
                $da[‘desc‘] = $data[‘desc‘] ? $data[‘desc‘]:"提现奖励";                            //企业付款描述信息
                $da[‘spbill_create_ip‘] = $data[‘ip‘] ? $data[‘ip‘] : "123.207.19.254";            //服务器ip
                $da[‘sign‘] = $this->ToSign($da, $config[‘partnerkey‘]);//生成签名
                //$da[‘key‘] = $config[‘partnerkey‘];                    //支付秘钥
                
                //将数组转为xml
                $xml = $this->ToXml($da);
                $url = ‘https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers‘;
                $this->qyzf_post($url,$xml,$config);
            }            
        }else{
            return false;
        }
    }