//将xml字符串转换为数组
protected static function xmlToArray($xml){
$array_data = json_decode(json_encode(simplexml_load_string($xml, ‘SimpleXMLElement’, LIBXML_NOCDATA)), true);
return $array_data;
}
/*
* 对要发送到微信统一下单接口的数据举行署名
*/
protected function getSign($Obj,$apiKey){
foreach ($Obj as $k => $v){
$param[$k] = $v;
}
//署名步骤一：按字典序排序参数
ksort($param);
$String = $this->formatBizQueryParaMap($param, false);
//署名步骤二：在string后加入KEY
$String = $String.”&key=” . $apiKey;
//署名步骤三：MD5加密
$String = md5($String);
//署名步骤四：所有字符转为大写
$result_ = strtoupper($String);
return $result_;
}
//发送xml请求方式
private static function postXmlCurl($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($ch, CURLOPT_SSL_VERIFYHOST, FALSE); //严酷校验
//设置header
curl_setopt($ch, CURLOPT_HEADER, FALSE);
//要求效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);
//返回效果
if ($data) {
curl_close($ch);
return $data;
} else {
$error = curl_errno($ch);
curl_close($ch);
throw new WxPayException(“curl失足，错误码:$error”);
}
}
//数组转字符串方式
protected function arrayToXml($arr){
$xml = “”;
foreach ($arr as $key=>$val)
{
if (is_numeric($val)){
$xml.=””.$val.””.$key.”>”;
}else{
$xml.=””.$key.”>”;
}
}
$xml.=””;
return $xml;
}
public function getOrderId()
{
//日期:10位 timestamp
$datetime = time();
//随机数
$newnum = $this->getNonceNums();
return $datetime . $newnum;
}
//天生随机数字
function getNonceNums($numLen = 4)
{
$chars = “0123456789”;
$str = “”;
for ($i = 0; $i < $numLen; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) – 1), 1);
}
return $str;
}
/*
* 天生随机字符串方式
*/
protected function createNoncestr($length = 32)
{
$chars = “abcdefghijklmnopqrstuvwxyz0123456789”;
$str = “”;
for ($i = 0; $i < $length; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) – 1), 1);
}
return $str;
}
/*
*排序并花样化参数方式，署名时需要使用
*/
protected function formatBizQueryParaMap($paraMap, $urlencode)
{
$buff = “”;
ksort($paraMap);
foreach ($paraMap as $k => $v)
{
if($urlencode)
{
$v = urlencode($v);
}
//$buff .= strtolower($k) . “=” . $v . “&”;
$buff .= $k . “=” . $v . “&”;
}
$reqPar = “”;
if (strlen($buff) > 0)
{
$reqPar = substr($buff, 0, strlen($buff)-1);
}
return $reqPar;
}
