C # httpwebrequest\httpwebresponse\webclient Send request parse JSON data

=============================================================================================================== =======================///<summary>///Date: 2016-2-4///Note: The bug has been modified to use///</summary> public static void Met Hod1 () {    try     {        String domain = "http://192.168.1.6:8098/";  
      String url = domain + "/signin/loginapi";
        HttpWebRequest request = (HttpWebRequest) webrequest.create (URL);         request.
method = "POST";         request.
        ContentType = "application/x-www-form-urlencoded"; Request.
ContentType = "Application/json";         request.

Readwritetimeout = 30 * 1000;        ///add parameter         dictionary<string, string> diclist = new dictionary& Lt
String, string> ();
        Diclist.add ("UserName", "test@qq.com");     &nbsp
  Diclist.add ("Password", "000000");
        String poststr = Buildquerystr (diclist);

        byte[] data = Encoding.UTF8.GetBytes (POSTSTR);         request. ContentLength = data.

Length;         Stream myrequeststream = Request.
GetRequestStream ();         myrequeststream.write (data, 0, data.
Length);

        myrequeststream.close ();         HttpWebResponse response = (HttpWebResponse) request.
GetResponse ();         StreamReader mystreamreader = new StreamReader (response.
GetResponseStream (), Encoding.UTF8);
        var retstring = Mystreamreader.readtoend ();
        mystreamreader.close ();    }     catch (Exception ex)     {        log.
Info ("entered Itemhierarchycontroller-initialize");         log. Error (ex.
message);    }} ================================================================================================
 ======================================

upgrade version, extract to help class, encapsulate object

Using System;
Using System.Collections.Generic;
Using System.Configuration;
Using System.IO;
Using System.Net;
Using System.Text;

Using System.Web; Namespace Cms.common {public class Myhttpclient {public string methodurl = string.
        Empty;

        public string poststr = null;
        Public myhttpclient (String methodurl) {this.methodurl = Methodurl; Public Myhttpclient (String methodurl, String poststr) {///this.methodurl = Configurationma Nager.

            appsettings["Apifrontend"];///http://192.168.1.6:8098/signin/loginapi///this.poststr = postStr;
            This.methodurl = Methodurl;
        This.poststr = Poststr; }///<summary>///get method///</summary>///<returns></returns > Public String executeget () {HttpWebRequest myrequest = (HttpWebRequest) webrequest.create
            (This.methodurl); MyreqUest.

            method = ' Get ';
            HttpWebResponse myresponse = null;
                try {myresponse = (HttpWebResponse) myrequest.getresponse ();
                StreamReader reader = new StreamReader (Myresponse.getresponsestream (), Encoding.UTF8); String content = Reader.
                ReadToEnd ();
            return content; }//Exception request catch (WebException e) {myresponse = (HttpWebResponse) e.resp
                Onse;  using (Stream Errdata = Myresponse.getresponsestream ()) {using (StreamReader reader = New StreamReader (Errdata)) {string text = reader.

                        ReadToEnd ();
                    return text; }}}///<summary>///POST method///</summary&
        Gt <returns></returns> public String ExecutEpost () {string content = string.

            Empty;
            Random rd = new Random (); int rd_i = Rd.
            Next ();
            String nonce = convert.tostring (rd_i);
            String timestamp = convert.tostring (Convertdatetimeint (DateTime.Now));

            String signature = Gethash (This.appsecret + nonce + timestamp);
                try {HttpWebRequest request = (HttpWebRequest) webrequest.create (This.methodurl); Request.
                method = "POST"; Request.
                ContentType = "application/x-www-form-urlencoded"; Request.
                ContentType = "Application/json"; Request.
                Headers.add ("Nonce", Nonce); Request.
                Headers.add ("Timestamp", Convert.ToString (Stringproc.convertdatetimeint (DateTime.Now)); Request.
                Headers.add ("Signature", Signature); Request.

                Readwritetimeout = 30 * 1000;
            byte[] data = Encoding.UTF8.GetBytes (POSTSTR);    Request. ContentLength = data.

                Length; Stream Myrequeststream = Request.

                GetRequestStream (); Myrequeststream.write (data, 0, data.)
                Length);

                Myrequeststream.close (); HttpWebResponse response = (HttpWebResponse) request.
                GetResponse (); StreamReader Mystreamreader = new StreamReader (response.
                GetResponseStream (), Encoding.UTF8);
                Content = Mystreamreader.readtoend ();
            Mystreamreader.close ();
        The catch (Exception ex) {} return content; } public class Stringproc {public static String buildquerystr (dictionary<string, string> dic

            List) {String poststr = ""; foreach (var item in diclist) {Poststr = + item. Key + "=" + Httputility.urlencode (item.
            Value, Encoding.UTF8) + "&"; } poststr = poststr.substring (0, Poststr.lastindexof (' & '));
        return poststr; public static int Convertdatetimeint (System.DateTime time) {System.DateTime starttime = Ti
            MeZone.CurrentTimeZone.ToLocalTime (New System.DateTime (1970, 1, 1)); return (int) (time-starttime).
        TotalSeconds; }
    }
}

Front-End Call

Using System;
Using System.Collections.Generic;
Using System.Linq;
Using System.Web;
Using SYSTEM.WEB.MVC;
Using Cms.common;

Using Newtonsoft.json; Namespace Medicine.Web.Controllers {public class Defaultcontroller:controller {public ActionResult Ind Ex () {#region Doget string Getresultjson = this.
            Doget (URL); Httpclientresult Customerresult = (httpclientresult) jsonconvert.deserializeobject (GetResultJson, typeof (

            Httpclientresult));
            #endregion #region DoPost String name = request.form["UserName"];

            string password = request.form["password"];
            dictionary<string, string> diclist = new dictionary<string, string> ();
            Diclist.add ("UserName", name);
            Diclist.add ("Password", Password);

            String poststr = Stringproc.buildquerystr (diclist); String Postresultjson = this.
            DoPost (URL, poststr); HttpclientreSult Userresult = (httpclientresult) jsonconvert.deserializeobject (Postresultjson, typeof (Httpclientresult));
        #endregion return View (); }///<summary>///get method///</summary>///<param name= "Portraituri
        ">url address </param>///<returns></returns> private String Doget (String Portraituri)
            {myhttpclient client = new Myhttpclient (Portraituri); Return client.
        Executeget (); }///<summary>///POST method///</summary>///<param name= "Portraitur I ">url address </param>///<param name=" poststr "> Request parameters </param>///<returns></retur Ns> private String DoPost (String Portraituri, String poststr) {myhttpclient client = new M
            Yhttpclient (Portraituri, POSTSTR); Return client.
        Executepost (); } publicClass Httpclientresult {public string UserName {get; set;}
        public bool Success {get; set;} }
    }
}