C#开发webService接口的流程步骤

using System;
using System.Web.Services;

namespace WebServcie
{
    /// <summary>
    /// WebService1 的摘要说明
    /// </summary>
    [WebService(Namespace = "http://demo.com/webService")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    // 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消注释以下行。 
    // [System.Web.Script.Services.ScriptService]
    public class WebService1 : System.Web.Services.WebService
    {

        [WebMethod]
        public string HelloWorld()
        {
            return "Hello World";
        }

        [WebMethod]
        public Result QueryStock(StockQueryParam param)
        {
            string paramStr =  param.ToString();
            Console.WriteLine(paramStr);
            //TODO 具体业务处理
            return Result.success("请求成功");
        }
    }

    public class StockQueryParam
    {
        private string matnr; //物料编码
        private string werks; //工厂
        private string lgort; //库存地点
        private string mtart; //物料类型
        private string matkl; //物料组
        private string zwidth; //宽
        private string zlength; //长
        private string sobkz; //特殊库存标识
        private string charg; //批次

        public string Matnr { get => matnr; set => matnr = value; }
        public string Werks { get => werks; set => werks = value; }
        public string Lgort { get => lgort; set => lgort = value; }
        public string Mtart { get => mtart; set => mtart = value; }
        public string Matkl { get => matkl; set => matkl = value; }
        public string Zwidth { get => zwidth; set => zwidth = value; }
        public string Zlength { get => zlength; set => zlength = value; }
        public string Sobkz { get => sobkz; set => sobkz = value; }
        public string Charg { get => charg; set => charg = value; }

        public override string ToString()
        {
            return $"matnr: {matnr}, werks: {werks},lgort: {lgort}, mtart: {mtart},matkl: {matkl}, zwidth: {zwidth},zlength: {zlength}, sobkz: {sobkz},charg: {charg}";
        }
    }

    public class Result
    {
        private int code;

        private string message;

        private object data;

        public int Code { get => code; set => code = value; }
        public string Message { get => message; set => message = value; }
        public object Data { get => data; set => data = value; }

        public Result()
        {
        }

        public Result(int code, string message, object data)
        {
            Code = code;
            Message = message;
            Data = data;
        }

        public Result(string message)
        {
            this.code = 200;
            this.message = message;
        }

        public Result(string message, object data) : this(message)
        {
            this.data = data;
        }

        public static Result success(string msg)
        {
            return new Result(msg);
        }
    }
}