static void Main(string[] args) { IFactory qqFactory = new QQOAuthServiceFactory(); IOAuthService qqOAuth = qqFactory.GetOAuthService(); string code = "Xssj67H3df"; string appId = "127841628"; string token = qqOAuth.GetTokenByCode(code, appId); Console.WriteLine(string.Format("you get the token :{0}", token)); Console.ReadLine(); }