using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Net;

using System.Runtime.Serialization.Json;

using System.Security.Cryptography;

using System.Text;

using System.Web;

public class WebPostManager

{

    /// <summary>

    /// 发送请求到web服务器，并接受消息，T 是接受的class结构，T2是发送的class结构

    /// </summary>

    /// <typeparam name="T"></typeparam>

    /// <typeparam name="T2"></typeparam>

    /// <param name="obj"></param>

    /// <param name="url"></param>

    /// <returns></returns>

    public static T CallWebServerPost<T, T2>(T2 obj,string url)

    {

        string poststr = JsonSerializer(obj);　　//对象转化为字符串发送

        string backmsg = FinalCallWebServerPost(poststr, url);　　//发送请求返回相应的数据

        T js = Deserialize<T>(backmsg);　　//返回数据进行反序列化

        return js;

    }

    public static string FinalCallWebServerPost(string postDataStr,string url)

    {

        Uri myuri = new Uri(url);

        var request = WebRequest.Create(myuri) as HttpWebRequest;

        request.Method = "POST";　　//post

        request.ContentType = "application/json";

        Stream myRequestStream = request.GetRequestStream();

        StreamWriter myStreamWriter = new StreamWriter(myRequestStream, Encoding.UTF8);

        myStreamWriter.Write(postDataStr);

        myStreamWriter.Close();

        var Response = request.GetResponse() as HttpWebResponse;

        Stream myResponseStream = Response.GetResponseStream();

        StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.UTF8);

        string retString = myStreamReader.ReadToEnd();

        myStreamReader.Close();

        myResponseStream.Close();

        return retString;

    }

    public static T Deserialize<T>(string json)

    {

        T obj = Activator.CreateInstance<T>();

        using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(json)))

        {

            DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());

            return (T)serializer.ReadObject(ms);

        }

    }

    public static string JsonSerializer<T>(T t)

    {

        DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));

        MemoryStream ms = new MemoryStream();

        ser.WriteObject(ms, t);

        string jsonString = Encoding.UTF8.GetString(ms.ToArray());

        ms.Close();

        return jsonString;

    }

}

        public static WebResponseBase ResetNoticeCommad(string Info)

        {

            WebRequestBase dic = new WebRequestBase();

            dic.Type = (int)CommandType.ResetNotice;

            dic.Name = Info;

            dic.Sign = MD5Check.Sign(dic.PreSign, Info);

            return WebPostManager.CallWebServerPost<WebResponseBase, WebRequestBase>(dic, Url);

        }