微信ウィジェット-微信支払い返金(直接使用可能)
//
namespace app\pay\controller;
/*
*
*/
class Winxinrefund{
protected $SSLCERT_PATH = APP_PATH.'/pay/cert/apiclient_cert.pem';//
protected $SSLKEY_PATH = APP_PATH.'/pay/cert/apiclient_key.pem';//
protected $opUserId = '';//
protected $KEY = '';
function __construct($openid,$outTradeNo,$totalFee,$outRefundNo,$refundFee){
//
$this->openid = $openid;
$this->outTradeNo = $outTradeNo;
$this->totalFee = $totalFee*100;
$this->outRefundNo = $outRefundNo;
$this->refundFee = $refundFee*100;
}
public function refund(){
//
$result = $this->wxrefundapi();
return $result;
}
private function wxrefundapi(){
// api
$parma = array(
'appid'=> 'wx9aa3d23bd288511a',
'mch_id'=> '1594691381',
'nonce_str'=> $this->createNoncestr(),
'out_refund_no'=> $this->outRefundNo,
'out_trade_no'=> $this->outTradeNo,
'total_fee'=> $this->totalFee,
'refund_fee'=> $this->refundFee
);
$parma['sign'] = $this->getSign($parma);
$xmldata = $this->arrayToXml($parma);
$xmlresult = $this->postXmlSSLCurl($xmldata,'https://api.mch.weixin.qq.com/secapi/pay/refund');
$result = $this->xmlToArray($xmlresult);
return $result;
}
protected function getSign($Obj){
foreach ($Obj as $k => $v){
$Parameters[$k] = $v;
}
// :
ksort($Parameters);
$String = $this->formatBizQueryParaMap($Parameters, false);
// : string KEY
$String = $String."&key=".$this->KEY;
// :MD5
$String = md5($String);
// :
$result_ = strtoupper($String);
return $result_;
}
/*
* ,
*/
protected function formatBizQueryParaMap($paraMap, $urlencode)
{
$buff = "";
ksort($paraMap);
foreach ($paraMap as $k => $v)
{
if($urlencode)
{
$v = urlencode($v);
}
//$buff .= strtolower($k) . "=" . $v . "&";
$buff .= $k . "=" . $v . "&";
}
$reqPar = "";
if (strlen($buff) > 0)
{
$reqPar = substr($buff, 0, strlen($buff)-1);
}
return $reqPar;
}
/*
*
*/
protected function createNoncestr($length = 32 ){
$chars = "abcdefghijklmnopqrstuvwxyz0123456789";
$str ="";
for ( $i = 0; $i < $length; $i++ ) {
$str.= substr($chars, mt_rand(0, strlen($chars)-1), 1);
}
return $str;
}
//
protected function arrayToXml($arr){
$xml = "" ;
foreach ($arr as $key=>$val)
{
if (is_numeric($val)){
$xml.=".$key.">".$val."".$key.">";
}else{
$xml.=".$key.">.$val."]]>".$key.">";
}
}
$xml.="";
return $xml;
}
protected static function xmlToArray($xml){
// dump($xml);die;
$array_data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
return $array_data;
}
//
private function postXmlSSLCurl($xml,$url,$second=30)
{
$ch = curl_init();
//
curl_setopt($ch,CURLOPT_TIMEOUT,$second);
// ,
//curl_setopt($ch,CURLOPT_PROXY, '8.8.8.8');
//curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
curl_setopt($ch,CURLOPT_URL, $url);
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);
curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);
// header
curl_setopt($ch,CURLOPT_HEADER,FALSE);
//
curl_setopt($ch,CURLOPT_RETURNTRANSFER,TRUE);
//
// :cert key .pem
// PEM,
curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
curl_setopt($ch,CURLOPT_SSLCERT, $this->SSLCERT_PATH);
// PEM,
curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
curl_setopt($ch,CURLOPT_SSLKEY,$this->SSLKEY_PATH);
//post
curl_setopt($ch,CURLOPT_POST, true);
curl_setopt($ch,CURLOPT_POSTFIELDS,$xml);
$data = curl_exec($ch);
//
if($data){
curl_close($ch);
return $data;
}
else {
$error = curl_errno($ch);
echo "curl , :$error"."
";
curl_close($ch);
return false;
}
}
}
PHPは返金インタフェースを呼び出し、返金機能を実現する
$pay = new Winxinrefund($openid, , , , );
$result = $pay->refund();
そして返金に成功しました.