微信支付V2
public static function unifiedorder($openid, $out_trade_no, $total_fee, $notify)
{
$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
$parameters = array(
'appid' => self::$wxconfig['app_id'], //小程序ID
'mch_id' => self::$wxconfig['mch_id'], //商户号
'nonce_str' => self::createNoncestr(), //随机字符串
'body' => '商品支付',
'out_trade_no' => $out_trade_no,
'total_fee' => $total_fee * 100,
// 'attach' => '',
'spbill_create_ip' => $_SERVER['REMOTE_ADDR'], //终端IP
'notify_url' => request()->getSchemeAndHttpHost() . '/api/pay/' . $notify,
'openid' => $openid, //用户id
'trade_type' => 'JSAPI'//交易类型
);
//统一下单签名
$parameters['sign'] = self::getSign($parameters);
$xmlData = self::arrayToXml($parameters);
$return = self::xmlToArray(self::postXmlCurl($xmlData, $url, 60));
return $return;
}
/**
* 微信支付
*/
public static function pay($order_sn = '2024081354565053', $money = '12', $uid = 26)
{
$money = '0.01';
$num = Db::table('order')->where(array('order_no' => $order_sn))->first();
if (!$num) {
return $this->error('网络异常,请重新下单');
}
$openid = Db::table('member')->where(array('id' => $uid))->value('openid');
$unifiedorder = self::unifiedorder($openid, $order_sn, $money, 'notify');
$parameters = array( 'appId' => self::$wxconfig['app_id'], //小程序ID 'timeStamp' => '' . time() . '', //时间戳 'nonceStr' => self::createNoncestr(), //随机串 'package' => 'prepay_id=' . $unifiedorder['prepay_id'], //数据包 'signType' => 'MD5'//签名方式 );
//签名
$parameters['paySign'] = self::getSign($parameters);
return $parameters;
}
//作用：生成签名
public static function getSign($Obj)
{
foreach ($Obj as $k => $v) {
$Parameters[$k] = $v;
}
//签名步骤一：按字典序排序参数
ksort($Parameters);
$String = self::formatBizQueryParaMap($Parameters, false);
//签名步骤二：在string后加入KEY
$String = $String . "&key=" . self::$wxconfig['key'];
//签名步骤三：MD5加密
$String = md5($String);
//签名步骤四：所有字符转为大写
$result_ = strtoupper($String);
return $result_;
}
///作用：格式化参数，签名过程需要使用
private static function formatBizQueryParaMap($paraMap, $urlencode)
{
$buff = "";
ksort($paraMap);
foreach ($paraMap as $k => $v) {
if ($urlencode) {
$v = urlencode($v);
}
$buff .= $k . "=" . $v . "&";
}
$reqPar = '';
if (strlen($buff) > 0) {
$reqPar = substr($buff, 0, strlen($buff) - 1);
}
return $reqPar;
}
private static function arrayToXml($arr)
{
$xml = "<root>";
foreach ($arr as $key => $val) {
if (is_array($val)) {
$xml .= "<" . $key . ">" . $this->arrayToXml($val) . "</" . $key . ">";
} else {
$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
}
}
$xml .= "</root>";
return $xml;
}
//xml转换成数组
private static function xmlToArray($xml)
{
// 设置 libxml 以禁用外部实体加载
libxml_set_external_entity_loader(function ($public, $system, $context) {
// 可以抛出异常、return 等操作
throw new BusinessException(Code::PARAM_ERROR, "禁止加载外部实体");
});
//禁止引用外部xml实体
// libxml_disable_entity_loader(true);
$xmlstring = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
$val = json_decode(json_encode($xmlstring), true);
return $val;
}
private static function postXmlCurl($xml, $url, $second = 30)
{
$ch = curl_init();
//设置超时
curl_setopt($ch, CURLOPT_TIMEOUT, $second);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); //严格校验
//设置header
curl_setopt($ch, CURLOPT_HEADER, FALSE);
//要求结果为字符串且输出到屏幕上
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
//post提交方式
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);
curl_setopt($ch, CURLOPT_TIMEOUT, 40);
set_time_limit(0);
//运行curl
$data = curl_exec($ch);
//返回结果
if ($data) {
curl_close($ch);
return $data;
} else {
$error = curl_errno($ch);
curl_close($ch);
throw new Exception("curl出错，错误码:$error");
}
}
public function banlance_notify()
{
$wxData = file_get_contents("php://input");
// file_put_contents('log69696969.txt', $wxData);
$jsonxml = json_encode(simplexml_load_string($wxData, 'SimpleXMLElement', LIBXML_NOCDATA));
$result = json_decode($jsonxml, true);
$result;
$buff = "";
foreach ($result as $k => $v) {
if ($k != "sign" && $v != "" && !is_array($v)) {
$buff .= $k . "=" . $v . "&";
}
}
$String = trim($buff, "&");
$String = $String . "&key=" . self::$wxconfig['key'];
$code = strlen($result['sign']);
if ($code <= 32) {
//如果签名小于等于32个,则使用md5验证
$sign = md5($String);
} else {
//是用sha256校验
$sign = hash_hmac("sha256", $String, self::$wxconfig['key']);
}
$sign = strtoupper($sign);
if ($sign !== $result['sign']) {
exit;
return false;
}
$out_trade_no = $result['out_trade_no'];
$info = DB::table('user_bannlace_log')->where(array('order_no' => $out_trade_no, 'status' => '0'))->first();
if (!$info) {
exit;
}
try {
Db::beginTransaction();
$msg = DB::table('user_bannlace_log')->where(['order_no' => $out_trade_no])->update(['status' => 1, 'time' => time(), 'note' => '积分充值']);
$msg2 = Db::table('member')->where(array('id' => $info->uid))->increment('banlance', $info->points);
Db::commit();
exit('<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>');
} catch (\Exception $e) {
Db::rollBack();
echo $e->getMessage();
}
}