/**
* @Notes:退款
* @param $out_trade_no 支付时候订单号(order表 original_bn)两个参数选一个这个要选对
* @param $out_refund_no 退款订单号
* @param $total 订单金额
* @param $refund 退款金额
* @Time: 2023-08-10
*/
public function refundMoney($out_trade_no , $out_refund_no , $total , $refund)
{
$config = config('wechat.wechat');
$time=time();
$refundData=[
'out_refund_no'=>$out_refund_no, //退款订单号自己生成就好
'reason'=>'商品退款',
'notify_url'=>$config['pay']['refundNotifyUrl'],//退款回调地址
'out_trade_no' => $out_trade_no,
'amount'=>[
'refund'=> $refund, //退款标价金额,单位为分,可以做部分退款
'total'=> $total, //订单总金额,单位为分
'currency'=>'CNY'
]
];
$url='https://api.mch.weixin.qq.com/v3/refund/domestic/refunds';
$urlarr = parse_url($url); //拆解为:[scheme=>https,host=>api.mch.weixin.qq.com,path=>/v3/pay/transactions/native]
$mchid =$config['pay']['merchantId'];//商户ID
$xlid = $config['pay']['serialNumber'];//证书序列号
$refundData=json_encode($refundData);
$nonce = $this->randomString();
$key = $this->getSign($refundData,$urlarr['path'],$nonce,$time);
$token = sprintf('mchid="%s",serial_no="%s",nonce_str="%s",timestamp="%d",signature="%s"',$mchid,$xlid,$nonce,$time,$key);
$header = array(
'Accept: application/json',
'Content-Type: application/json',
'User-Agent:*/*',
'Authorization: WECHATPAY2-SHA256-RSA2048 '.$token
);
$res=$this->curl_post_https($url,$refundData,$header);
$res_array=json_decode($res,true);
return $res_array;
}
// 生成随机字符串
private function randomString($len = 32)
{
$string = '';
$char = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678';
for ($i = 0; $i < $len; $i++) {
$string .= $char[mt_rand(0, strlen($char) - 1)];
}
return $string;
}
//微信支付签名
function getSign($data=array(),$url,$randstr,$time){
$str = "POST"."\n".$url."\n".$time."\n".$randstr."\n".$data."\n";
$key = file_get_contents(getcwd() .'/cert/apiclient_key.pem');//在商户平台下载的秘钥,读取到变量 最好是放到public下边
$str = $this->getSha256WithRSA($str,$key);
return $str;
}
//加密
public function getSha256WithRSA($content, $privateKey){
$binary_signature = "";
$algo = "SHA256";
openssl_sign($content, $binary_signature, $privateKey, $algo);
$sign = base64_encode($binary_signature);
return $sign;
}
//退款用
function curl_post_https($url,$data,$header){ // 模拟提交数据函数
$curl = curl_init(); // 启动一个CURL会话
curl_setopt($curl, CURLOPT_URL, $url); // 要访问的地址
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0); // 对认证证书来源的检查
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0); // 从证书中检查SSL加密算法是否存在,如果出错则修改为0,默认为1
curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']); // 模拟用户使用的浏览器
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转
curl_setopt($curl, CURLOPT_AUTOREFERER, 1); // 自动设置Referer
curl_setopt($curl, CURLOPT_POST, 1); // 发送一个常规的Post请求
curl_setopt($curl, CURLOPT_POSTFIELDS, $data); // Post提交的数据包
curl_setopt($curl, CURLOPT_TIMEOUT, 30); // 设置超时限制防止死循环
curl_setopt($curl, CURLOPT_HEADER, 0); // 显示返回的Header区域内容
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // 获取的信息以文件流的形式返回
curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
$tmpInfo = curl_exec($curl); // 执行操作
if (curl_errno($curl)) {
echo 'Errno'.curl_error($curl);//捕抓异常
}
curl_close($curl); // 关闭CURL会话
return $tmpInfo; // 返回数据,json格式
}
调用文章来源地址https://www.toymoban.com/news/detail-645183.html
$res = WxPay::instance()->refundMoney($order['original_bn'] , $order['order_bn'] , $sum , $order['total_money']);
$msg = '';
if (!empty($res['code'])) {
$msg = $res['message'];
}
if (!empty($res['status'])) {
if ($res['status'] == 'SUCCESS'){
$msg = '退款成功';
} else if ($res['status'] == 'CLOSED') {
$msg = '退款关闭';
} else if ($res['status'] == 'PROCESSING') {
$msg = '退款处理中';
} else if ($res['status'] == 'ABNORMAL') {
$msg = '退款异常';
}
}
return $msg;
文章来源:https://www.toymoban.com/news/detail-645183.html
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