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<?php
/**
* 微信企业付款操作类
* Author : Max.wen
* DateTime: <15/9/16 11:00>
*/
class WxPay {
function __construct() {
}
function pay($url, $obj) {
$obj["nonce_str"] = $this->create_noncestr();
$stringA = $this->formatQueryParaMap($obj, false);
$stringSignTemp = $stringA . "&key=" . WECHAT_PAY_KEY_58;
$sign = strtoupper(md5($stringSignTemp));
$obj["sign"] = $sign;
$postXml = $this->arrayToXml($obj);
$responseXml = $this->curl_post_ssl($postXml, $url);
$responseArray = json_decode(json_encode($responseXml), true);
return $responseArray;
}
function create_noncestr($length = 32) {
$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
$str = "";
for($i=0; $i<$length; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
}
return $str;
}
function formatQueryParaMap($paraMap, $urlencode) {
$buff = "";
ksort($paraMap);
foreach($paraMap as $k=>$v) {
if(null !=$v && "null" != $v && "sign" != $k) {
if($urlencode) {
$v = urlencode($v);
}
$buff .= $k . "=" . $v . "&";
}
}
$reqPar;
if(strlen($buff) > 0) {
$reqPar = substr($buff, 0, strlen($buff) - 1);
}
return $reqPar;
}
//数组转Xml
/**
* 生成请求xml数据
* @return string
*/
public function arrayToXml($arr){
$xml = "<xml>";
foreach($arr as $key=>$val) {
$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
/**
if(is_numeric($val)) {
$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
} else {
$xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
}
**/
}
$xml .= "</xml>";
return $xml;
}
/**
* 作用：使用证书，以post方式提交xml到对应的接口url
*/
function curl_post_ssl($xml,$url,$second=30){
$ch = curl_init();
//超时时间
curl_setopt($ch,CURLOPT_TIMEOUT,$second);
curl_setopt($ch,CURLOPT_URL, $url);
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);
curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);
//设置header
curl_setopt($ch,CURLOPT_HEADER,FALSE);
//要求结果为字符串且输出到屏幕上
curl_setopt($ch,CURLOPT_RETURNTRANSFER,TRUE);
//设置证书
curl_setopt($ch,CURLOPT_CAINFO, WxPayConfig::SSLROOTCA_PATH);
//使用证书：cert 与 key 分别属于两个.pem文件
//默认格式为PEM，可以注释
curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
curl_setopt($ch,CURLOPT_SSLCERT, WxPayConfig::SSLCERT_PATH);
//默认格式为PEM，可以注释
curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
curl_setopt($ch,CURLOPT_SSLKEY, WxPayConfig::SSLKEY_PATH);
//post提交方式
curl_setopt($ch,CURLOPT_POST, true);
curl_setopt($ch,CURLOPT_POSTFIELDS,$xml);
$data = curl_exec($ch);
//返回结果
if($data){
curl_close($ch);
return simplexml_load_string($data, 'SimpleXMLElement', LIBXML_NOCDATA);
} else {
$error = curl_errno($ch);
echo "url:" . $url . "<br>";
echo "curl:[" . $error . "]<br>";
echo "<a href='http://curl.haxx.se/libcurl/c/libcurl-errors.html'>Reason!</a></br>";
curl_close($ch);
return false;
}
}
}