ThinkPHP簡易微信公眾號零錢提現實例

<?php
namespace app\common\library;

class Cash
{

    public function wxcash($openId,$money)
    {
        $pub = config('keys.payConfig');
        $appid = $pub['app_id'];//商戶賬號appid
        $mch_id = $pub['mch_id'];//商戶號
        $key = $pub['key'];
        $openid = $openId;//授權用戶openid

        $arr = array();
        $arr['mch_appid'] = $appid;
        $arr['mchid'] = $mch_id;
        $arr['nonce_str'] = md5(uniqid(microtime(true),true));//隨機字符串，不長于32位
        $arr['partner_trade_no'] = '123456789' . date("Ymd") . rand(10000, 90000) . rand(10000, 90000);//商戶訂單號
        $arr['openid'] = $openid;
        $arr['check_name'] = 'NO_CHECK';//是否驗證用戶真實姓名，這里不驗證
        $arr['amount'] = $money * 100;//付款金額，單位為分
        $arr['desc'] = "零錢提現";//描述信息
        $arr['spbill_create_ip'] = 'xx.xx.xx.xx';//獲取服務器的ip
        //封裝的關于簽名的算法
        $arr['sign'] = $this->makeSign($arr,$key);//簽名
        $var = $this->arrayToXml($arr);
        // dump($arr['sign'] );exit;
        $xml = $this->curl_post_ssl('https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers',$var,30);
        libxml_disable_entity_loader(true);
        $rdata = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)),true);
        eblog('cash_xmldata',$rdata);
        // dump($rdata);exit;
        $return_code = trim(strtoupper($rdata['return_code']));
        $result_code = trim(strtoupper($rdata['result_code']));
        if ($return_code == 'SUCCESS' && $result_code == 'SUCCESS') {
            $isrr = array(
                'status'=>1,
                'msg' => '',
            );
        } else {
            // $returnmsg = $rdata['return_msg'];
            $err_code_des = $rdata['err_code_des'];
            $isrr = array(
                'status' => 0,
                'msg' => $err_code_des,
            );
        }
        return $isrr;
    }

    protected function makesign($data,$key)
    {
        //獲取微信支付秘鑰
        $data = array_filter($data);
        //簽名步驟一：按字典序排序參數
        ksort($data);
        $string_a = http_build_query($data);
        $string_a = urldecode($string_a);
        //簽名步驟二：在string后加入KEY
        //$config=$this->config;
        $string_sign_temp = $string_a."&key=".$key;
        //簽名步驟三：MD5加密
        $sign = md5($string_sign_temp);
        // 簽名步驟四：所有字符轉為大寫
        $result = strtoupper($sign);
        // $result = strtoupper(hash_hmac("sha256",$string_sign_temp,$key));
        return $result;
    }

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

    protected function curl_post_ssl($url, $vars, $second = 30, $aHeader = array())
    {
        $isdir = APP_PATH."/common/library/php_sdk/lib/";//證書位置
        $ch = curl_init();//初始化curl
        curl_setopt($ch, CURLOPT_TIMEOUT, $second);//設置執行最長秒數
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);//要求結果為字符串且輸出到屏幕上
        curl_setopt($ch, CURLOPT_URL, $url);//抓取指定網頁
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);// 終止從服務端進行驗證
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);//
        curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'PEM');//證書類型
        curl_setopt($ch, CURLOPT_SSLCERT, $isdir . 'apiclient_cert.pem');//證書位置
        curl_setopt($ch, CURLOPT_SSLKEYTYPE, 'PEM');//CURLOPT_SSLKEY中規定的私鑰的加密類型
        curl_setopt($ch, CURLOPT_SSLKEY, $isdir . 'apiclient_key.pem');//證書位置
        curl_setopt($ch, CURLOPT_CAINFO, 'PEM');
        curl_setopt($ch, CURLOPT_CAINFO, $isdir . 'rootca.pem');
        if (count($aHeader) >= 1) {
            curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);//設置頭部
        }
        curl_setopt($ch, CURLOPT_POST, 1);//post提交方式
        curl_setopt($ch, CURLOPT_POSTFIELDS, $vars);//全部數據使用HTTP協議中的"POST"操作來發送
        $data = curl_exec($ch);//執行回話
        if ($data) {
            curl_close($ch);
            return $data;
        } else {
            $error = curl_errno($ch);
            echo "call faild, errorCode:$error\n";
            curl_close($ch);
            return false;
        }
    }

}