PHP开发快手小程序封装（登录、入账、退款、查询）

2023-01-28 01:28 php开发阅读 9368 来源来自csdn

快手小程序php源码封装，并且整合了登录、授权、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, $options);
}
//https请求不验证证书和host
curl_setopt($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, $options);
}
//https请求不验证证书和host
curl_setopt($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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