Files
midi-php/extend/WxPay/WxPay.php

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PHP
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2025-08-13 10:43:56 +08:00
<?php
class WxPay
{
/**
* 初始化参数
*
* @param array $options
* @param $options ['app_id'] APPID绑定支付的APPID必须配置开户邮件中可查看
* @param $options ['mch_id'] MCHID商户号必须配置开户邮件中可查看
* @param $options ['key'] KEY商户支付密钥参考开户邮件设置必须配置登录商户平台自行设置
* @param $options ['appsecret'] 公众帐号secert仅JSAPI支付的时候需要配置)
* @param $options ['notify_url'] 支付宝回调地址
*/
public function __construct() {
$this->config = get_system_config();
}
/**
* 微信支付App
* @param string $data 业务参数 body out_trade_no total_fee
* @param string $data ['out_trade_no'] 订单号 必填
* @param string $data ['total_fee'] 订单金额 必填
* @param string $data ['body'] 订单详情 必填
* @return $response 返回app所需字符串
*/
public function WxPayApp($d) {
$total_fee = abs(floatval($d['money'])) * 100;// 微信支付 单位为分
$ip = $this->get_client_ip();
if ($ip == '::1')
$ip = '1.1.1.1';
$data ["appid"] = \think\Env::get('wechatpay.appid');
$data ["mch_id"] = \think\Env::get('wechatpay.mch_id');
$data ["nonce_str"] = $this->getRandChar(32);
$data ["body"] = $d['remarke'];
// $data['attach'] = $d['attach'];
$data ["out_trade_no"] = $d['order_sn'];
$data ["total_fee"] = $total_fee;
$data ["spbill_create_ip"] = $ip;
$data ["notify_url"] = get_system_config_value("web_site")."/api/Payment/notify_wx";
$data ["trade_type"] = "APP";
$s = $this->getSign($data);
$data ["sign"] = $s;
$xml = $this->arrayToXml($data);
$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
$response = $this->postXmlCurl($xml, $url);
$re = $this->xmlstr_to_array($response);
if ($re ['return_code'] == 'FAIL') {
return array(-1, '订单创建失败!'.\think\Env::get('wechatpay.api_v3_key'), $re['return_msg']);
}
// 二次签名
$reapp = $this->getOrder($re['prepay_id']);
return $reapp;
}
/**
* 微信支付
* @param string $data 业务参数 body out_trade_no total_fee
* @param string $data ['out_trade_no'] 订单号 必填
* @param string $data ['total_fee'] 订单金额 必填
* @param string $data ['body'] 订单详情 必填
* @return $response 返回app所需字符串
*/
public function WxPayH5($d) {
$host = I('server.REQUEST_SCHEME') . '://' . I('server.SERVER_NAME');
$wxConfig = $this->config;
$out_trade_no = $d['out_trade_no'];
$total_fee = abs(floatval($d['total_fee'])) * 100;// 微信支付 单位为分
$nonce_str = $this->getRandChar(32);
$ip = $this->get_client_ip();
if ($ip == '::1')
$ip = '1.1.1.1';
$data ["appid"] = $wxConfig["app_id"];
$data ["body"] = $d['body'];
$data['attach'] = $d['attach'];
$data ["mch_id"] = $wxConfig['mch_id'];
$data ["nonce_str"] = $nonce_str;
$data ["notify_url"] = C('BASE_URL').'api/payment/wxH5Notify';
$data ["out_trade_no"] = $out_trade_no;
$data ["spbill_create_ip"] = $ip;
$data ["total_fee"] = $total_fee;
$data ["trade_type"] = "MWEB";
$data ["time_expire"] = $d['time_expire'];
$s = $this->getSign($data);
$data ["sign"] = $s;
$xml = $this->arrayToXml($data);
$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
$response = $this->postXmlCurl($xml, $url);
$re = $this->xmlstr_to_array($response);
if ($re ['return_code'] == 'FAIL') {
return array(-1, '订单创建失败!', $re['return_msg']);
}
return $re;
}
/**
* 支付宝web支付 需要签约 电脑网站支付
* @param string $data 业务参数
* @param string $data ['out_trade_no'] 订单号 必填
* @param string $data ['total_fee'] 订单金额 必填
* @param string $data ['body'] 订单详情 必填
* @return string 支付二维码图片地址
*/
public function WxPayWeb($d) {
$wxConfig = $this->config;
$out_trade_no = $d['out_trade_no'];
$total_fee = abs(floatval($d['total_fee'])) * 100;// 微信支付 单位为分
$nonce_str = $this->getRandChar(32);
$ip = $this->get_client_ip();
if ($ip == '::1')
$ip = '1.1.1.1';
$data ["appid"] = $wxConfig["app_id"];
$data ["body"] = $d['body'];
$data ["mch_id"] = $wxConfig['mch_id'];
$data ["nonce_str"] = $nonce_str;
$data ["notify_url"] = $wxConfig["notify_url"];
$data ["out_trade_no"] = $out_trade_no;
$data ["spbill_create_ip"] = $ip;
$data ["total_fee"] = $total_fee;
$data ["trade_type"] = "NATIVE";
$s = $this->getSign($data);
$data ["sign"] = $s;
$xml = $this->arrayToXml($data);
$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
$response = $this->postXmlCurl($xml, $url);
$re = $this->xmlstr_to_array($response);
if ($re ['return_code'] == 'FAIL') {
jsonReturn(-1, '订单创建失败!', $re['return_msg']);
}
$url2 = $re["code_url"];
$imgUrl = '/Plugins/WxPay/qrcode.php?data=' . urlencode($url2);
return $imgUrl;
//return '<img alt="模式二扫码支付" src="/Plugins/WxPay/phpqrcode.php?data=' . urlencode($url2).'"/>';
}
/**
* 微信退款
* @param $d
*/
public function wxRefund($d){
$wxConfig = $this->config;
$str = $this->getRandChar(32);
$total_fee = abs(floatval($d['total_fee']))*100;
$refund_fee = abs(floatval($d['refund_fee']))*100;
$data ["appid"] = $wxConfig["app_id"];
$data ["mch_id"] = $wxConfig['mch_id'];
$data['nonce_str'] = $str;
$data['out_trade_no'] = $d['out_trade_no']; //支付是返回的订单编号
$data['out_refund_no'] = $d['out_refund_no']; //退单编号-重新生成的
$data['total_fee'] = $total_fee; //订单总金额
$data['refund_fee'] = $refund_fee; //需要退还金额
$data['refund_desc'] = $d['refund_desc']; //退款描述
$s = $this->getSign($data);
$data ["sign"] = $s;
$url = "https://api.mch.weixin.qq.com/secapi/pay/refund";
$xml=$this->arrayToXml($data);
$result = $this->url($xml,$url);
return $result;
}
/**
* 微信退款详情
* @param $d
*/
public function wxRefundDetail($d){
$wxConfig = $this->config;
$str = $this->getRandChar(32);
$data ["appid"] = $wxConfig["app_id"];
$data ["mch_id"] = $wxConfig['mch_id'];
$data['nonce_str'] = $str;
$data['out_trade_no'] = $d['out_trade_no']; //订单号,不用订单号可以添加其他的
$s = $this->getSign($data);
$data ["sign"] = $s;
$url = "https://api.mch.weixin.qq.com/pay/refundquery";
$xml=$this->arrayToXml($data);
$response = $this->postXmlCurl($xml, $url);
$re = $this->xmlstr_to_array($response);
return $re;
}
/**
* 微信提现
* @param $d
*/
public function wxWithdraw($d){
$wxConfig = $this->config;
$str = $this->getRandChar(32);
$data['mch_appid'] = $wxConfig["app_id"];
$data['mchid'] = $wxConfig['mch_id'];
$data['openid'] = $d['openid']; //提现用户授权id openid
$data['nonce_str'] = $str;
$data['partner_trade_no'] = $d['partner_trade_no']; //订单号
$data['check_name']='NO_CHECK';
$data['amount'] = $d['amount']*100; //提现金额
$data['desc'] = '平台提现';
$data['spbill_create_ip'] = $_SERVER['SERVER_ADDR'];
$s = $this->getSign($data);
$data ["sign"] = $s;
$url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers";
$xml=$this->arrayToXml($data);
$result = $this->url($xml,$url);
return $result;
}
/**
* curl
*/
function url($xml,$url ,$second=30){
$ch=curl_init();
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_HEADER,FALSE);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,TRUE);
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,TURE);//证书检查
curl_setopt($ch,CURLOPT_SSLCERTTYPE,'pem');
curl_setopt($ch,CURLOPT_SSLCERT,getcwd().'/Plugins/WxPay/cert/apiclient_cert.pem');
curl_setopt($ch,CURLOPT_SSLCERTTYPE,'pem');
curl_setopt($ch,CURLOPT_SSLKEY,getcwd().'/Plugins/WxPay/cert/apiclient_key.pem');
curl_setopt($ch,CURLOPT_SSLCERTTYPE,'pem');
curl_setopt($ch,CURLOPT_CAINFO,getcwd().'/Plugins/WxPay/cert/rootca.pem');
curl_setopt($ch,CURLOPT_POST,TRUE);
curl_setopt($ch,CURLOPT_POSTFIELDS,$xml);
curl_setopt($ch, CURLOPT_TIMEOUT, $second);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
// 要求结果为字符串且输出到屏幕上
$data=curl_exec($ch);
if($data){
curl_close($ch);
$re = $this->xmlstr_to_array($data);
return $re;
}else{
$error=curl_errno($ch);
echo "curl出错错误代码$error"."<br/>";
echo "<a href='http://curl.haxx.se/libcurl/c/libcurs.html'>;错误原因查询</a><br/>";
curl_close($ch);
echo false;
}
// 初始化curl
$ch = curl_init();
// 超时时间
curl_setopt($ch, CURLOPT_TIMEOUT, $second);
// 这里设置代理,如果有的话
// curl_setopt($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($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
// 设置header
curl_setopt($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);
// 运行curl
$data = curl_exec($ch);
// 返回结果
if ($data) {
curl_close($ch);
return $data;
} else {
$error = curl_errno($ch);
echo "curl出错错误码:$error" . "<br>";
echo "<a href='http://curl.haxx.se/libcurl/c/libcurl-errors.html'>错误原因查询</a></br>";
curl_close($ch);
return false;
}
}
/**
* 微信签名验证
* @param string $data 业务参数
* @return array
*/
public function WxPayNotifyCheck() {
$postStr = file_get_contents('php://input');
$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
if ($postObj === false) {
}
if ($postObj->return_code != 'SUCCESS') {
;
}
$arr = (array)$postObj;
unset($arr['sign']);
if ($this->getSign($arr) == $postObj->sign) {
return array('status' => true, 'data' => $arr);
} else
return array('status' => false);
}
/**
* 以下为微信所需相关方法,请勿修改
*/
// 执行第二次签名,才能返回给客户端使用
public function getOrder($prepayId) {
$data ["appid"] = \think\Env::get('wechatpay.appid');
$data ["noncestr"] = $this->getRandChar(32);;
$data ["package"] = "Sign=WXPay";
$data ["partnerid"] = \think\Env::get('wechatpay.mch_id');
$data ["prepayid"] = $prepayId;
$data ["timestamp"] = time();
$s = $this->getSign($data);
$data ["sign"] = $s;
return $data;
}
//生成签名
function getSign($Obj) {
foreach ($Obj as $k => $v) {
$Parameters [strtolower($k)] = $v;
}
// 签名步骤一:按字典序排序参数
ksort($Parameters);
$String = $this->formatBizQueryParaMap($Parameters, false);
// echo "【string】 =".$String."</br>";
// 签名步骤二在string后加入KEY
$String = $String . "&key=" . \think\Env::get('wechatpay.api_v3_key');
// echo "<textarea style='width: 50%; height: 150px;'>$String</textarea> <br />";
// 签名步骤三MD5加密
$result_ = strtoupper(md5($String));
return $result_;
}
// 获取指定长度的随机字符串
function getRandChar($length) {
$str = null;
$strPol = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz";
$max = strlen($strPol) - 1;
for ($i = 0; $i < $length; $i++) {
$str .= $strPol [rand(0, $max)]; // rand($min,$max)生成介于min和max两个数之间的一个随机整数
}
return $str;
}
// 数组转xml
function arrayToXml($arr) {
$xml = "<xml>";
foreach ($arr as $key => $val) {
if (is_numeric($val)) {
$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
} else
$xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
}
$xml .= "</xml>";
return $xml;
}
// post https请求CURLOPT_POSTFIELDS xml格式
function postXmlCurl($xml, $url, $second = 30) {
// 初始化curl
$ch = curl_init();
// 超时时间
curl_setopt($ch, CURLOPT_TIMEOUT, $second);
// 这里设置代理,如果有的话
// curl_setopt($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($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
// 设置header
curl_setopt($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);
// 运行curl
$data = curl_exec($ch);
// 返回结果
if ($data) {
curl_close($ch);
return $data;
} else {
$error = curl_errno($ch);
echo "curl出错错误码:$error" . "<br>";
echo "<a href='http://curl.haxx.se/libcurl/c/libcurl-errors.html'>错误原因查询</a></br>";
curl_close($ch);
return false;
}
}
//获取当前服务器的IP
function get_client_ip() {
if ($_SERVER ['REMOTE_ADDR']) {
$cip = $_SERVER ['REMOTE_ADDR'];
} elseif (getenv("REMOTE_ADDR")) {
$cip = getenv("REMOTE_ADDR");
} elseif (getenv("HTTP_CLIENT_IP")) {
$cip = getenv("HTTP_CLIENT_IP");
} else {
$cip = "unknown";
}
return $cip;
}
// 将数组转成uri字符串
function formatBizQueryParaMap($paraMap, $urlencode) {
$buff = "";
ksort($paraMap);
foreach ($paraMap as $k => $v) {
if ($urlencode) {
$v = urlencode($v);
}
$buff .= strtolower($k) . "=" . $v . "&";
}
if (strlen($buff) > 0) {
$reqPar = substr($buff, 0, strlen($buff) - 1);
}
return $reqPar;
}
//xml转成数组
function xmlstr_to_array($xmlstr) {
$doc = new \DOMDocument ();
$doc->loadXML($xmlstr);
return $this->domnode_to_array($doc->documentElement);
}
//dom转成数组
function domnode_to_array($node) {
$output = array();
switch ($node->nodeType) {
case XML_CDATA_SECTION_NODE :
case XML_TEXT_NODE :
$output = trim($node->textContent);
break;
case XML_ELEMENT_NODE :
for ($i = 0, $m = $node->childNodes->length; $i < $m; $i++) {
$child = $node->childNodes->item($i);
$v = $this->domnode_to_array($child);
if (isset ($child->tagName)) {
$t = $child->tagName;
if (!isset ($output [$t])) {
$output [$t] = array();
}
$output [$t] [] = $v;
} elseif ($v) {
$output = ( string )$v;
}
}
if (is_array($output)) {
if ($node->attributes->length) {
$a = array();
foreach ($node->attributes as $attrName => $attrNode) {
$a [$attrName] = ( string )$attrNode->value;
}
$output ['@attributes'] = $a;
}
foreach ($output as $t => $v) {
if (is_array($v) && count($v) == 1 && $t != '@attributes') {
$output [$t] = $v [0];
}
}
}
break;
}
return $output;
}
}