微信小程序企业付款到个人

<?php

/**
 * 小程序之企业付款到个人!
 */
class WxPayModel extends Model
{

    public function sendMoneyToPerson($trade_no,$openid,$amount){
        header('Content-type:text/html;charset=utf8');

        setlog([$trade_no,$openid,$amount],[],'','p_000.log');

        $partner_trade_no = $trade_no;

        if ( < $amount){
            $return_data = [
                'num'       =>      '',
                'desc'      =>      '参数错误'
            ];

            return $return_data;
        }

        $data['mch_appid'] = C('APPID');                  //商户的应用appid
        $data['mchid'] = C('MCHID');                      //商户ID
        $data['nonce_str'] = $this->unicode();            //unicode();//这个据说是唯一的字符串下面有方法
        $data['partner_trade_no'] = $partner_trade_no;      //这个是订单号。
        $data['openid'] = $openid;                          //这个是授权用户的openid。。这个必须得是用户授权才能用---?????
        $data['check_name'] = 'NO_CHECK';                           //这个是设置是否检测用户真实姓名的
        //$data['re_user_name'] = '';//用户的真实名字

        $data['amount'] = $amount;                                  //提现金额(单位:分)
        $data['desc'] = 'xxxxx感谢您的支持';                        //订单描述
        $data['spbill_create_ip'] = $_SERVER['SERVER_ADDR'];        //这个最烦了，，还得获取服务器的ip
        $secrect_key = C('PAY_KEY');          //这个就是个API密码。32位的。。随便MD5一下就可以了

        $data = array_filter($data);
        ksort($data);

        $str = '';
        foreach ($data as $k => $v) {
            $str .= $k . '=' . $v . '&';
        }

        $str .= 'key=' . $secrect_key;

        setlog([],[$str],'','p_1999.log');

        $data['sign'] = strtoupper(md5($str));
        //print_r($data);
        $xml = $this->arraytoxml($data);

        $url = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers';
        $res = $this->curl($xml, $url);
        $return = $this->xmltoarray($res);

        if ($return['result_code'] == 'FAIL'){
            setlog($data,$return,'','p_1.log');

            $return_data = [
                'num'       =>      '',
                'desc'      =>      $return['err_code_des']
            ];

            return $return_data;
        }

        setlog($return,$_POST,'','p_2.log');

        $return_data = [
            'num'       =>     '',
            'desc'      =>     '到账成功',
            'data'      =>      $return
        ];

        return $return_data;
    }

    /***
     * array(9) {
            ["return_code"] => string(7) "SUCCESS"
            ["return_msg"] => array(0) {}
            ["mch_appid"] => string(18) "xxxxxxxx"
            ["mchid"] => string(10) "xxxxxxxxx"
            ["nonce_str"] => string(32) "fbb9d90268134e280cc6fe2b9781b143"
            ["result_code"] => string(7) "SUCCESS"
            ["partner_trade_no"] => string(12) "zhubin123456"
            ["payment_no"] => string(28) "1494771532201905183784872155"
            ["payment_time"] => string(19) "2019-05-18 17:21:59"
        }
     *
     * array(9) {
     *  [return_code] => SUCCESS
        [return_msg] => 支付失败
        [mch_appid] => wx6457c25c4c537cf4
        [mchid] => 1494771532
        [result_code] => FAIL
        [err_code] => RECV_ACCOUNT_NOT_ALLOWED
        [err_code_des] => 收款账户不在收款账户列表，请查看产品中心企业付款配置
     * }

     */

    private function decode_name($key,$name){
        $nameLen = strlen( $name );
        $keyLen = strlen( $key );
        if ( $keyLen < $nameLen ){
            $key = str_repeat( $key, ceil( $nameLen / $keyLen ));
        }

        $CMSName = base64_decode( $name ) ^ $key;
        return $CMSName;
    }

    private function unicode() {
        $str = uniqid(mt_rand(),);
        $str = sha1($str);
        return md5($str);
    }

    private function arraytoxml($data){
        $str = '<xml>';
        foreach($data as $k=>$v) {
            $str.='<'.$k.'>'.$v.'</'.$k.'>';
        }

        $str .= '</xml>';
        return $str;
    }

    private function xmltoarray($xml) {
        //禁止引用外部xml实体
        libxml_disable_entity_loader(true);
        $xmlstring = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
        $val = json_decode(json_encode($xmlstring),true);
        return $val;
    }

    private function curl($param="",$url) {
        $postUrl = $url;
        $curlPost = $param;
        $ch = curl_init();                                     //初始化curl
        curl_setopt($ch, CURLOPT_URL,$postUrl);         //抓取指定网页
        curl_setopt($ch, CURLOPT_HEADER, );          //设置header
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, );      //要求结果为字符串且输出到屏幕上
        curl_setopt($ch, CURLOPT_POST, );           //post提交方式
        curl_setopt($ch, CURLOPT_POSTFIELDS, $curlPost);      // 增加 HTTP Header（头）里的字段
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);    // 终止从服务端进行验证
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);

        curl_setopt($ch,CURLOPT_SSLCERT,getcwd().'/cert/apiclient_cert.pem');   //这个是证书的位置------证书必须在根目录下
        curl_setopt($ch,CURLOPT_SSLKEY,getcwd().'/cert/apiclient_key.pem');     //这个也是证书的位置

        $data = curl_exec($ch);                 //运行curl
        curl_close($ch);
        return $data;
    }

}