/**
* 生成签名结果
* @param $para_sort 已排序要签名的数组
* return 签名结果字符串
*/
function buildRequestMysign($para_sort)
{
//把数组所有元素，按照“参数=参数值”的模式用“&”字符拼接成字符串
$prestr = AlipayCore::createLinkstring($para_sort);
$mysign = "";
switch (strtoupper(trim($this->alipay_config['sign_type']))) {
case "MD5":
$mysign = AlipayMd5::md5Sign($prestr, $this->alipay_config['key']);
break;
default:
$mysign = "";
}
return $mysign;
}
/**
* 获取返回时的签名验证结果
* @param $para_temp 通知返回来的参数数组
* @param $sign 返回的签名结果
* @return 签名验证结果
*/
function getSignVeryfy($para_temp, $sign)
{
//除去待签名参数数组中的空值和签名参数
$para_filter = AlipayCore::paraFilter($para_temp);
//对待签名参数数组排序
$para_sort = AlipayCore::argSort($para_filter);
//把数组所有元素，按照“参数=参数值”的模式用“&”字符拼接成字符串
$prestr = AlipayCore::createLinkstring($para_sort);
$isSgin = false;
switch (strtoupper(trim($this->alipay_config['sign_type']))) {
case "MD5":
$isSgin = AlipayMd5::md5Verify($prestr, $sign, $this->alipay_config['key']);
break;
default:
$isSgin = false;
}
return $isSgin;
}