/*
*微信支付
**/
public function openCloudWeixin($token, $suiji_money,$goods_name)
{
vendor('pay.wxpay'); //引入微信的封装类 下面会附上此类所有的代码
$total_fee = $suiji_money * 100;
$body = '微信支付';
$out_trade_no = $token;
$notify_url = ''; //自定义回调地址
$WeChat = new WechatAppPay();
$res = $WeChat->wechat_pay($body, $out_trade_no, $total_fee, $notify_url);
return $res;
}
/**
*回调
*/
/*
*微信认证回调 renzhengHuidiao
**/
public function renzhengHuidiao()
{
vendor('pay.wxpay');
$testxml = file_get_contents("php://input");
$jsonxml = json_encode(simplexml_load_string($testxml, 'SimpleXMLElement', LIBXML_NOCDATA));
$result = json_decode($jsonxml, true);//转成数组，
//验证回调
$wx = new WechatAppPay();
$arr = array();
//为了防止假数据，验证签名是否和返回的一样。
//记录一下，返回回来的签名，生成签名的时候，必须剔除sign字段。
$sign = $result['sign'];
unset($result['sign']);
if ($sign == $wx->getSign($result)) {
//签名验证成功后，判断返回微信返回的
if ($result['result_code'] == 'SUCCESS' && $result['return_code'] == "SUCCESS") {
//后面的逻辑代码放这里
}
} else {
$file = fopen('./log.txt', 'a+');
fwrite($file, "错误信息：" . $result['return_msg'] . date("Y-m-d H:i:s"), time() . "\r\n");
}
} else {
$file = fopen('./log.txt', 'a+');
fwrite($file, "错误信息：签名验证失败" . date("Y-m-d H:i:s"), time() . "\r\n");
}
//用户http_build_query()将数据转成URL键值对形式
$sign = http_build_query($result);
//md5处理
$sign = md5($sign);
//转大写
$sign = strtoupper($sign);
//验签名。默认支持MD5
if ($sign === $result['sign']) {
return true;
} else {
return false;
}
}
/**
* 微信支付类的代码
*/
<?php
namespace WeChat;
Class WechatAppPay
{
//微信开放平台的应用appid
private $appid = '';
//商户号（注册商户平台时，发置注册邮箱的商户id）
private $partnerId = '';
//商户平台api支付处设置的key
private $key = '';
//支付请求地址
const URL = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
//生成订单
public function wechat_pay($body, $out_trade_no, $total_fee,$notify_url)
{
$data["appid"] = $this->appid;
$data["body"] = $body;
$data["mch_id"] = $this->partnerId;
$data["nonce_str"] = $this->getRandChar(32);
$data["notify_url"] = $notify_url;
$data["out_trade_no"] = $out_trade_no;
$data["spbill_create_ip"] = $this->get_client_ip();
$data["total_fee"] = $total_fee;
$data["trade_type"] = "APP";
//按照参数名ASCII字典序排序并且拼接API密钥生成签名
$s = $this->getSign($data);
$data["sign"] = $s;
//配置xml最终得到最终发送的数据
$xml = $this->arrayToXml($data);
file_put_contents("xml.txt", json_encode($xml));
$file = fopen("log.txt", "w");
$response = $this->postXmlCurl($xml, self::URL);
//将微信返回的结果xml转成数组
$returnOne = $this->xmlstr_to_array($response);
// dump($returnOne);die;
$params["package"] = "Sign=WXPay";
$params["timestamp"] = strval(time());
$arr['appid'] = $returnOne['appid'];
$arr['noncestr'] = $returnOne['nonce_str'];
$arr['package'] = $params["package"];//正常key是package(改成package_bak,安卓有冲突)
$arr['prepayid'] = $returnOne['prepay_id'];
$arr['partnerid'] = $returnOne['mch_id'];
$arr['timestamp'] = $params["timestamp"];
//重新生成签名
$str = 'appid='.$arr['appid'].'&noncestr='.$returnOne['nonce_str'].'&package=Sign=WXPay&partnerid='. $returnOne['mch_id'].'&prepayid='.$arr['prepayid'].'×tamp='.$arr['timestamp'];
$arr['sign']=strtoupper(MD5($str.'&key='. $this->key));
return $arr;
}
//进行签名
function getSign($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=" . $this->key;
//签名步骤三：MD5加密
$result_ = strtoupper(md5($String));
return $result_;
}
//获取指定长度的随机字符串
private function getRandChar($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 $str;
}
//获取当前服务器的IP
function get_client_ip()
{
if ($_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 = "";
$reqPar = '';
ksort($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 $reqPar;
}
//数组转xml
function arrayToXml($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_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);
curl_close($ch);
return false;
}
}
/**
* xml转成数组
*/
public function xmlstr_to_array($xmlstr)
{
$doc = new \DOMDocument();
$doc->loadXML($xmlstr);
return $this->domnode_to_array($doc->documentElement);
}
public 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;
}
}
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