Java中调用WebService

[WebMethod]
        [SoapRpcMethod(Use = SoapBindingUse.Literal, Action = "http://tempuri.org/GetProductsInfoByTime", RequestNamespace = "http://tempuri.org/", ResponseNamespace = "http://tempuri.org/")]
        public string GetProductsInfoByTime(string MerchantCode, string Signature)
{}