public ActionResult Main()
{
using (Stream stream = Request.InputStream)
{
Byte[] postBytes = new Byte[stream.Length];
stream.Read(postBytes, 0, (Int32)stream.Length);
string postString = Encoding.UTF8.GetString(postBytes);
MsgHelp msgHelp = new MsgHelp();
string responseContent = msgHelp.responseMsg(postString);
Response.Write(responseContent);
}
return(View());
}