① 要是在測(cè)試的時(shí)候，網(wǎng)頁(yè)提示 curl 58 說(shuō)明 證書的路徑出現(xiàn)問(wèn)題（這里要填物理路徑，也就是絕對(duì)路徑）
②網(wǎng)頁(yè)提示curl 52 說(shuō)明你的證書引入少了，在官方的demo上只有兩個(gè)證書 apiclient_cert.pem和 apiclient_key.pem 你還需要引入一個(gè)證書 rootca.pem，這個(gè)證書需要你登錄到
3.要是網(wǎng)頁(yè)提示 "HTTP/1.1 200 OK Server: nginx Date: Tue, 20 Jun 2017 08:08:01 GMT Content-Type: text/plain Content-Length: 852 Connection: keep-alive Keep-Alive: timeout=8
說(shuō)明你的代碼是沒(méi)有問(wèn)題的 ，應(yīng)該是參數(shù)出錯(cuò)了 我之前錯(cuò)的地方是把 out_refund_no和 out_trade_no寫的一樣，微信官網(wǎng)上也是這樣寫的 ，但是就是出現(xiàn)問(wèn)題，我把out_refund_no 修改了一下 發(fā)現(xiàn)可以了
function Home_index() {
date_default_timezone_set("Asia/Shanghai");
$date = date("YmdHis");
$appid = "";
$mch_id = "";
$out_trade_no = "14487658021497944120";
$op_user_id = "";
$out_refund_no = $date;
$total_fee = "500";
$refund_fee = "500";
// $transaction_id = "4009542001201706206596667604";
$key = "";
$nonce_str = nonceStr();
$ref = strtoupper(md5("appid=$appidmch_id=$mch_idnonce_str=$nonce_strop_user_id=$op_user_id"
. "out_refund_no=$out_refund_noout_trade_no=$out_trade_norefund_fee=$refund_feetotal_fee=$total_fee"
. "key=$key")); //sign加密MD5
$refund = array(
'appid' =>$appid, //應(yīng)用ID，固定
'mch_id' => $mch_id, //商戶號(hào)，固定
'nonce_str' => $nonce_str, //隨機(jī)字符串
'op_user_id' => $op_user_id, //操作員
'out_refund_no' => $out_refund_no, //商戶內(nèi)部唯一退款單號(hào)
'out_trade_no' => $out_trade_no, //商戶訂單號(hào),pay_sn碼 1.1二選一,微信生成的訂單號(hào)，在支付通知中有返回
// 'transaction_id'=>'1',//微信訂單號(hào) 1.2二選一,商戶側(cè)傳給微信的訂單號(hào)
'refund_fee' => $refund_fee, //退款金額
'total_fee' => $total_fee, //總金額
'sign' => $ref//簽名
);
$url = "https://api.mch.weixin.qq.com/secapi/pay/refund";
; //微信退款地址，post請(qǐng)求
$xml = arrayToXml($refund);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1); //證書檢查
if ($useCert == true) {
// 設(shè)置證書
curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'pem');
curl_setopt($ch, CURLOPT_SSLCERT, dirname(__FILE__) . '/WxPay/cert/apiclient_cert.pem');
curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'pem');
curl_setopt($ch, CURLOPT_SSLKEY, dirname(__FILE__) . '/WxPay/cert/apiclient_key.pem');
curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'pem');
curl_setopt($ch, CURLOPT_CAINFO, dirname(__FILE__) . '/WxPay/cert/rootca.pem');
}
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
$xml = curl_exec($ch);
// 返回結(jié)果0的時(shí)候能只能表明程序是正常返回不一定說(shuō)明退款成功而已
if ($xml) {
curl_close($ch);
// 把xml轉(zhuǎn)化成數(shù)組
libxml_disable_entity_loader(true);
$xmlstring = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
// var_dump($xmlstring);
$result['errNum'] = 0;
$result['info'] = object_to_array($xmlstring);
// var_dump($result);
return $result;
} else {
$error = curl_errno($ch);
curl_close($ch);
// 錯(cuò)誤的時(shí)候返回錯(cuò)誤碼。
$result['errNum'] = $error;
return $result;
}
}
function arrayToXml($arr) {
$xml = "root>";
foreach ($arr as $key => $val) {
if (is_array($val)) {
$xml .= "" . $key . ">" . arrayToXml($val) . "/" . $key . ">";
} else {
$xml .= "" . $key . ">" . $val . "/" . $key . ">";
}
}
$xml .= "/root>";
return $xml;
}
function object_to_array($obj) {
$obj = (array) $obj;
foreach ($obj as $k => $v) {
if (gettype($v) == 'resource') {
return;
}
if (gettype($v) == 'object' || gettype($v) == 'array') {
$obj[$k] = (array) object_to_array($v);
}
}
return $obj;
}
function nonceStr() {
$chars = "abcdefghijklmnopqrstuvwxyz0123456789";
$str = "";
$length = 32;
for ($i = 0; $i $length; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
}
// 隨機(jī)字符串
return $str;
}
Home_index();
