工具类：C#的HTTP工具类

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;

class HttpUtil
{
    //GET请求
    public static string GetRequest(string url, int Timeout)
    {
        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
        request.Method = "GET";
        request.ContentType = "text/html;charset=UTF-8";
        request.UserAgent = null;
        request.Timeout = Timeout;

        HttpWebResponse response = (HttpWebResponse)request.GetResponse();
        Stream myResponseStream = response.GetResponseStream();
        StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
        string retString = myStreamReader.ReadToEnd();
        myStreamReader.Close();
        myResponseStream.Close();

        return retString;
    }
    /*使用
        string url="Http://127.0.0.1/login.jsp?Name=zhangshi&Age=30&Submit=%cc%E+%BD%BB";
        string res = HttpHelper.GetRequest(url, 6000);
        if (res != null)
        {
           T mes = JsonHelper.DeserializeJsonToObject<T>(res)
        }
    */
    

    //获取返回的数据
    public static string GetResponseString(HttpWebResponse webresponse)
    {
        using (Stream s = webresponse.GetResponseStream())
        {
            StreamReader reader = new StreamReader(s, Encoding.UTF8);
            return reader.ReadToEnd();

        }
    }
    
    //POST请求
    public static entity.Result HttpPost(string Url, string postDataStr)
    {
        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
        request.ContentType = "text/json; charset=utf-8";
        request.Method = "post";
        request.Timeout = 3000;

        byte[] btBodys = Encoding.UTF8.GetBytes(postDataStr);
        request.ContentLength = btBodys.Length;
        request.GetRequestStream().Write(btBodys, 0, btBodys.Length);

        HttpWebResponse response = (HttpWebResponse)request.GetResponse();
        StreamReader streamReader = new StreamReader(response.GetResponseStream(),Encoding.UTF8);
        string responseContent = streamReader.ReadToEnd();

        response.Close();
        streamReader.Close();
        request.Abort();
        response.Close();

        return JsonUtil.JsonToObject<entity.Result>(responseContent);
    }

}