php微信支付商户免充值代金券接口升级

//todo 如果没安装该插件可删除该行，并使用参数requestType改为‘1’
use GuzzleHttp\Client;/*** Class Demo* @package ShopEM\Services\WechatPay* 微信支付商户免充值代金券接口升级验收*/
class RechargeFreeVoucherDemo
{/*** @var int 请求方式* 1 使用curl* 2 使用插件 GuzzleHttp\Client*/protected $requestType = 1;/*** @var string 32随机数*/protected $nonceStr = '5K8264ILTKCH16CQ2502SI8ZNMTM67VS';/*** @var string 微信支付密钥*/protected $signKey = '你的微信支付密钥'; //todo/*** @var string 商户号*/protected $mchId = '你的商户号'; //todo/*** @var string 通过sign方法获取沙箱验签秘钥*/protected $sandBoxKey = '沙箱验签秘钥'; //todo/*** @var bool 返回数据是否xml转化array*/protected $openXmlArr = true;/*** DateTime : 2021/8/24 19:19* @Author : sun* 字段拼接*/public static function getSignContent($data): string{$buff = '';foreach ($data as $k => $v) {$buff .= ('sign' != $k && '' != $v && !is_array($v)) ? $k . '=' . $v . '&' : '';}return trim($buff, '&');}/***  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 $array_data;}#签名public function getsignkey($data, $box = true){$key = $this->sandBoxKey;#填写你的秘钥 ,后面几步用沙盒密钥if (!$box) $key = $this->signKey;ksort($data);$string = md5(self::getSignContent($data) . '&key=' . $key);return strtoupper($string);}#第一步 获取沙箱验签秘钥public function sign(){$data = ['mch_id'    => $this->mchId,'nonce_str' => $this->nonceStr];$data['sign'] = $this->getsignkey($data, false);$url = 'https://api.mch.weixin.qq.com/sandboxnew/pay/getsignkey';$result = $this->post($data, $url);if ($this->openXmlArr) if ($this->openXmlArr) $result = $this->xmlToArray($result);return $result;}#第二步 「1003-可选用例-公众号/APP/扫码正常支付」验收#1.统一下单public function pay(){//total_fee 必须为551$data = ['appid'            => 'wxd678efh567hg6787','body'             => '测试商品','mch_id'           => $this->mchId,'nonce_str'        => $this->nonceStr,'notify_url'       => 'http://www.weixin.qq.com/wxpay/pay.php','out_trade_no'     => '201208241848','spbill_create_ip' => '192.168.10.10','total_fee'        => '552','trade_type'       => 'JSAPI'];$url = 'https://api.mch.weixin.qq.com/sandboxnew/pay/unifiedorder';$data['sign'] = $this->getsignkey($data);$result = $this->post($data, $url);if ($this->openXmlArr) $result = $this->xmlToArray($result);return $result;}#2.查询订单public function query(){$data = ['appid'        => 'wxd678efh567hg6787','mch_id'       => $this->mchId,'nonce_str'    => $this->nonceStr,'out_trade_no' => '201208241848',];$url = 'https://api.mch.weixin.qq.com/sandboxnew/pay/orderquery';$data['sign'] = $this->getsignkey($data);$result = $this->post($data, $url);if ($this->openXmlArr) $result = $this->xmlToArray($result);return $result;}#第三步 「1003-可选用例-公众号/APP/扫码支付退款」验收#1.申请退款public function refund(){//refund_fee 必须为552$data = ['appid'         => 'wxd678efh567hg6787','mch_id'        => $this->mchId,'nonce_str'     => $this->nonceStr,'out_trade_no'  => '201208241848','out_refund_no' => 'TM201208241848','refund_fee'    => '552','total_fee'     => '552',];$data['sign'] = $this->getsignkey($data);$url = 'https://api.mch.weixin.qq.com/sandboxnew/pay/refund';$result = $this->post($data, $url);if ($this->openXmlArr) $result = $this->xmlToArray($result);return $result;}#2.查询退款public function refundquery(){$data = ['appid'        => 'wxd678efh567hg6787','mch_id'       => $this->mchId,'nonce_str'    => $this->nonceStr,'out_trade_no' => '201208241848',];$data['sign'] = $this->getsignkey($data);$url = 'https://api.mch.weixin.qq.com/sandboxnew/pay/refundquery';$result = $this->post($data, $url);if ($this->openXmlArr) $result = $this->xmlToArray($result);return $result;}#第四步 「1005-必选用例-交易对账单下载」 验收public function downloadbill(){$data = ['appid'        => 'wxd678efh567hg6787','bill_date'    => '20120824','bill_type'    => 'ALL','mch_id'       => $this->mchId,'nonce_str'    => $this->nonceStr,'out_trade_no' => '201208241848',];$data['sign'] = $this->getsignkey($data);$url = 'https://api.mch.weixin.qq.com/sandboxnew/pay/downloadbill';$result = $this->post($data, $url);return $result;}/*** DateTime : 2021/8/24 19:06* @Author : sun* @param $data* @param $url* post 请求*/public function post($data, $url){#两种请求方式if ($this->requestType === 1) {return $this->curlPost($data, $url);}if ($this->requestType === 2) {return $this->postXmlCurl($data, $url);}print_r('请求参数错误');exit;}/***  作用：以post方式提交xml到对应的接口url*/public function postXmlCurl($data, $url){$xml = $this->arrayToXml($data);$httpClient = new Client();$response = $httpClient->request('POST', $url, ['body' => $xml]);$return = $response->getBody()->getContents();return $return;}/*** DateTime : 2021/8/24 19:03* @Author : sun* curl 请求方式*/public function curlPost($data, $url){$xmlData = $this->arrayToXml($data);$header[] = "Content-type: text/xml";        //定义content-type为xml,注意是数组$ch = curl_init($url);curl_setopt($ch, CURLOPT_URL, $url);curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);curl_setopt($ch, CURLOPT_HTTPHEADER, $header);curl_setopt($ch, CURLOPT_POST, 1);curl_setopt($ch, CURLOPT_POSTFIELDS, $xmlData);$response = curl_exec($ch);if (curl_errno($ch)) {print curl_error($ch);}curl_close($ch);return $response;}
}

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