C#HTTP.POST获取数据

C#HTTP获取数据主要有两种方式 ,这里主要记录Post方式

1.Post获取

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net.Http;
using Newtonsoft;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json;
using System.Windows.Forms;

namespace LabelPrinter
{

  


    /// <summary>
    /// WebApi帮助类
    /// </summary>
    class WebHelper
    {

        public WebHelper()
        {
            HttpClientHelper = new HttpClient();


        }


        #region LocalVariables

        HttpClient HttpClientHelper;
        static string BaseUrl = "http://10.172.2.171:16041/WebApi/MesCommand?msgFormat=JSON&message=";

        #endregion

        OuterJsonData TestOuterJsonClass = new OuterJsonData();

        InnerJsonClass TestInnerJsonClass = new InnerJsonClass();
        /// <summary>
        /// 获取Http数据
        /// </summary>
        /// <param name="sn"></param>
        /// <returns></returns>
        public string  GetSnDataByGet(string SN)
        {
            try
            {
                //TestInnerJsonClass.CartonId = SN;
                //string AgrumentStr = JsonConvert.SerializeObject(TestInnerJsonClass);
                //TestOuterJsonClass.assemblyName = "SMTTrackOut";

                //TestOuterJsonClass.className = "SMTTrackOut.GetCartonInfo";

                //TestOuterJsonClass.sender = "AUTO";

                //TestOuterJsonClass.arguments = AgrumentStr;

                //string JsonData = JsonConvert.SerializeObject(TestOuterJsonClass);

                string JsonStringHeader = "{ 'assemblyName':'SMTTrackOut','className':'SMTTrackOut.GetCartonInfo','sender':'AUTO','arguments':{ 'CartonId':'";

                string JsonStringTail = "'} }";
                var Response1 = HttpClientHelper.GetAsync(BaseUrl + JsonStringHeader+ SN+ JsonStringTail).Result;


                return Response1.Content.ReadAsStringAsync().Result;
            }
            catch(HttpRequestException)
            {
                return "RequstErr";
            }
  
        }
   



        /// <summary>
        /// 分割Json字符串
        /// </summary>
        /// <param name="JsonData"></param>
        /// <returns></returns>
        public ParaMeters GetPrintData(string sn,string JsonData)
        {
            JObject obj=null;
            try
            {
                 obj = JObject.Parse(JsonData);
                string Result = obj["result"].ToString();

                ParaMeters para = new ParaMeters();



                     para.ProDuct = JObject.Parse(JsonData).SelectToken("ProductId").ToString();
                     para.SN = sn;
                     para.PN = obj["ProductId"].ToString();

                     para.VenderLot = DateTime.Now.ToString("yyyy-MM-dd") + DateTime.Now.ToLongTimeString().ToString();

                     para.ShipQty = obj["LotQty"].ToString();

                     para.DueDate = DateTime.Now.AddYears(1).ToString();
                     para.BinCode = "";
                     para.Location = "";


                return para;

            }
            catch(Exception er)
            {
                MessageBox.Show(er.ToString());
                return null;
            }


          
        }


        
    }

    class ParaMeters
    {
        /// <summary>
        /// 字符
        /// </summary>
        public  string ProDuct { set; get; }
        
        /// <summary>
        /// SN一维码底部带字符
        /// </summary>
        public string SN { set; get; }

        /// <summary>
        /// PN码字符+一维码
        /// </summary>
        public string PN { set; get; }

        /// <summary>
        /// 日期时间
        /// </summary>
        public string VenderLot { set; get; }

        /// <summary>
        /// 数量字符+一维码
        /// </summary>    
        public string ShipQty { set; get; }

        /// <summary>
        /// 截止日期(不带时间)
        /// </summary>
        public string DueDate { set; get; }

        /// <summary>
        /// 一维码
        /// </summary>
        public string BinCode { set; get; }

        /// <summary>
        /// 无。只有Location:
        /// </summary>
        public string Location { set; get; }

    }

    public class   OuterJsonData
    {


        private string  _AssemblyName;
        public string  assemblyName
        {
            get { return _AssemblyName; }
            set { _AssemblyName = value; }
        }


        private string  _ClassName;
        public string  className
        {
            get { return _ClassName; }
            set { _ClassName = value; }
        }

        private string _Sender;
        public string sender
        {
            get { return _Sender; }
            set { _Sender = value; }
        }

        private string _Arguments;
        public string arguments
        {
            get { return _Arguments; }
            set { _Arguments = value; }
        }

        


    }

    public class InnerJsonClass
    {

        private string _CartonId;

        public string CartonId
        {
            get { return _CartonId; }
            set { _CartonId = value; }
        }

    }

}