public static QQAccessTokenResponseParams GetAccessToken(QQAccessTokenRequestParams requestParams)
		{
			QQGetAccessTokenExecutor executor = new QQGetAccessTokenExecutor(requestParams);

			executor.Execute();

			return executor.ResponseParams;
		}
		public QQGetAccessTokenExecutor(QQAccessTokenRequestParams requestParams)
		{
			requestParams.NullCheck("requestParams");

			this.RequestParams = requestParams;
		}