public ActionResult FeedBack()
{
//创建支付应答对象
ResponseHandler resHandler = new ResponseHandler(null);
resHandler.Init();
resHandler.SetKey(WeixinPayInfo.Key, WeixinPayInfo.AppKey);
//判断签名
if (resHandler.IsWXsignfeedback())
{
//回复服务器处理成功
Response.Write("OK");
Response.Write("OK:" + resHandler.GetDebugInfo());
}
else
{
//sha1签名失败
Response.Write("fail");
Response.Write("fail:" + resHandler.GetDebugInfo());
}
return null;
}