快手小程序担保支付php源码封装

抖音担保支付，虽然官方社区论坛已经有人整理分享了部分源码，但是并不全，我这边重新封装了一下，并且整合了入账，退款、查询等方法

<?php/*** 快手支付*/class KspayService{protected $appid;protected $appSecret;public $data = null;public function __construct($appid, $appSecret){$this->appid = $appid; //小程序APPID$this->appSecret = $appSecret; //小程序的appsecret}/*** 通过跳转获取用户的openid，跳转流程如下：* @return 用户的openid*/public function getOpenid($code){$url = 'https://open.kuaishou.com/oauth2/mp/code2session';$dat = array('app_id' => $this->appid,'app_secret' => $this->appSecret,'js_code' => $code);if(isset($code)){$res = self::curlPost($url,$dat);$data = json_decode($res,true);if($data['result'] == 1){$openid = $data['open_id'];return $openid;}else{echo "获取失败";}}else{echo "参数错误";}}/*** 获取accessToken* @return [type] [description]*/public function _getAccessToken() {$postData['app_id'] = $this->appid;$postData['app_secret'] = $this->appSecret;$postData['grant_type'] = 'client_credentials';$res = $this->curlPost('https://open.kuaishou.com/oauth2/access_token', $postData);$res = json_decode($res, 1);return $res['access_token'];}/*** 生成签名*  @return 签名*/public function makeSign($query, $postData) {unset($query['access_token']);$arr = array_merge($query, $postData);foreach ($arr as $k => $item) {if (empty($item)) {unset($arr[$k]);}}ksort($arr, 2);$str = '';foreach ($arr as $k => $v) {$str .= $k . '=' . $v . '&';}$str = substr($str, 0, strlen($str) - 1);$md5 = $str .$this->appSecret;return md5($md5);}/*** 预下单* @param  [type] $orderid   [description]* @param  [type] $price     [description]* @param  [type] $subject   [description]* @param  [type] $body      [description]* @param  [type] $openid    [description]* @param  [type] $notifyUrl [description]* @return [type]            [description]*/public function createOrder($orderid,$price,$subject,$body,$openid,$notifyUrl){$time = time();$price = $price*100;$config = ['access_token' => $this->_getAccessToken(),'app_id' => $this->appid,];$data = ['open_id' => $openid,'out_order_no' =>  $orderid, //订单号'total_amount' => $price,  //金额 单位:分'detail' => $body,         //支付的内容'subject' => $subject,     //支付的标题'type' => 1302,'expire_time' => 3600,'notify_url'=> $notifyUrl,];$data['sign'] = $this->makeSign($config,$data);$url = 'https://open.kuaishou.com/openapi/mp/developer/epay/create_order?' . http_build_query($config);$json = json_encode($data, 320);$res = $this->jsonPost($url, $json);return json_decode($res,true);}/*** 订单结算* @return [type] [description]*/public function settle($orderid,$amount){$config = ['access_token' => $this->_getAccessToken(),'app_id' => $this->appid,];$params = ['out_order_no'  => $orderid,'out_settle_no' => 'js'.$orderid,'reason' =>'用户申请结算',//退款理由'notify_url' => 'https://'.$_SERVER['HTTP_HOST'].'/jiesuan_notify.php'];$params['sign'] = $this->makeSign($config,$params);$url = "https://open.kuaishou.com/openapi/mp/developer/epay/settle?". http_build_query($config);$json = json_encode($params, 320);$res = $this->jsonPost($url, $json);return json_decode($res, true);}/*** 订单查询* @return [type] [description]*/public function queryOrder($orderid){$config = ['access_token' => $this->_getAccessToken(),'app_id' => $this->appid,];$params = ['out_order_no'    => $orderid,];$params['sign'] = $this->makeSign($config,$params);$url = "https://open.kuaishou.com/openapi/mp/developer/epay/query_order?". http_build_query($config);$json = json_encode($params, 320);$res = $this->jsonPost($url, $json);return json_decode($res, true);}/*** 退款* @return [type] [description]*/public function createRefund($orderid,$amount){$config = ['access_token' => $this->_getAccessToken(),'app_id' => $this->appid,];$params = ['out_order_no'   => $orderid,'out_refund_no' => 'tk'.$orderid,'reason' =>'用户申请退款',//退款理由'notify_url' => 'https://'.$_SERVER['HTTP_HOST'].'/tk_notify.php','refund_amount' => $amount,];$params['sign'] = $this->makeSign($config,$params);$url = "https://open.kuaishou.com/openapi/mp/developer/epay/apply_refund?". http_build_query($config);$json = json_encode($params, 320);$res = $this->jsonPost($url, $json);return json_decode($res, true);}public function jsonPost($url, $data = NULL, $times = 0) {$curl = curl_init();curl_setopt($curl, CURLOPT_URL, $url);curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);curl_setopt($curl, CURLOPT_POST, 1);curl_setopt($curl, CURLOPT_TIMEOUT, 2); //超时时间2秒curl_setopt($curl, CURLOPT_POSTFIELDS, $data);curl_setopt($curl, CURLOPT_HEADER, 0);curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: application/json; charset=utf-8','Content-Length:' . strlen($data),'Cache-Control: no-cache','Pragma: no-cache'));curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);$res = curl_exec($curl);curl_close($curl);return $res;}public static function curlGet($url = '', $options = array()){$ch = curl_init($url);curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);curl_setopt($ch, CURLOPT_TIMEOUT, 30);if (!empty($options)) {curl_setopt_array($ch, $options);}//https请求 不验证证书和hostcurl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);$data = curl_exec($ch);curl_close($ch);return $data;}public function curlPost($url = '', $postData = '', $options = array()){if (is_array($postData)) {$postData = http_build_query($postData);}$ch = curl_init();curl_setopt($ch, CURLOPT_URL, $url);curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);curl_setopt($ch, CURLOPT_POST, 1);curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);curl_setopt($ch, CURLOPT_TIMEOUT, 30); //设置cURL允许执行的最长秒数if (!empty($options)) {curl_setopt_array($ch, $options);}//https请求 不验证证书和hostcurl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);$data = curl_exec($ch);curl_close($ch);return $data;}}
?>

回调：（快手支付的回调不需要对返回的参数做任何处理，也就是不需要排序、组装，直接拼接appsecret然后md5即可）

$result = file_get_contents('php://input');
$result = json_decode($result, true);
$kwaisign  = isset($_SERVER['HTTP_KWAISIGN']) ? $_SERVER['HTTP_KWAISIGN'] : '';if(true){//完成你的逻辑$orderid = $result['data']['out_order_no'];if($result['data']['status'] == 'SUCCESS'){$appSecret = '';   //您的appsecret$resulta = json_encode($result);$notify = md5($resulta.$appSecret);if($notify == $kwaisign){//校验成功，更新您的数据库//下边是固定返回格式$res = ['result'=>1,'message_id'=>$result['message_id']];echo json_encode($res);}else{echo 'Signature error';}}
}else{echo 'pay error';
}

小程序端的支付代码不再发，比较简单，有需要可以联系我，需要注意的是，快手小程序的入账需要根据订单号一笔一笔的处理，这点比较扯淡，不知道后期会不会调整

如果帮助到了您，别忘了支持一下

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快手小程序担保支付php源码封装

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