public void AddRtCost() { ISalaryService salaryService = new SalaryServiceClient(); RdCostInfo rdCostInfo = new RdCostInfo() { EmployeeId = "H000001", DateB = new DateTime(2020, 09, 11), DateE = new DateTime(2020, 09, 11), UseRatio = 0.5M, RdNobrType = "001", RdCode = "RD02", Note = "", Key_Date = DateTime.Now, Key_Man = "qwe" }; var Introduction = salaryService.AddRdCost(rdCostInfo); string json = JsonConvert.SerializeObject(Introduction); Console.WriteLine(json.ToString()); }