/**
*
* 获取jsapi支付的参数
* @param array $UnifiedOrderResult 统一支付接口返回的数据
* @throws Exception
*
* @return json数据，可直接填入js函数作为参数
*/
public function GetJsApiParameters($UnifiedOrderResult)
{
if (!array_key_exists("appid", $UnifiedOrderResult) || !array_key_exists("prepay_id", $UnifiedOrderResult) || $UnifiedOrderResult['prepay_id'] == "") {
throw new Exception("参数错误");
}
$jsapi = new LibJsApiPay();
$jsapi->SetAppid($UnifiedOrderResult["appid"]);
$timeStamp = time();
$jsapi->SetTimeStamp("{$timeStamp}");
$jsapi->SetNonceStr(Api::getNonceStr());
$jsapi->SetPackage("prepay_id=" . $UnifiedOrderResult['prepay_id']);
$jsapi->SetSignType("MD5");
$jsapi->SetPaySign($jsapi->MakeSign());
$parameters = json_encode($jsapi->GetValues());
return $parameters;
}
