HENGCHENG/DSWeb/Areas/Mobile/DAL/HttpHelper.cs

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

namespace DSWeb.Areas.Mobile.DAL
{
    public class HttpHelper
    {
        /// <summary>  
        /// GET请求与获取结果  
        /// </summary>  
        public static string HttpGet (string Url, string postDataStr="")
        {
            DBLog.Log("HttpGet");
            string html = string.Empty;
            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(Url);
            DBLog.Log("request.Address", request.Address.ToString());
            request.Method = "GET";
            HttpWebResponse response = request.GetResponse() as HttpWebResponse;
            Stream ioStream = response.GetResponseStream();
            StreamReader sr = new StreamReader(ioStream, Encoding.UTF8);
            html = sr.ReadToEnd();
            ioStream.Close();
            response.Close();
            DBLog.Log("html",html);
            return html;
        }

        /// <summary>  
        /// POST请求与获取结果  
        /// </summary>  
        public static string HttpPost ( string Url, string data )
        {

            HttpWebRequest hwr = WebRequest.Create(Url) as HttpWebRequest;
            hwr.Method = "POST";
            hwr.ContentType = "application/x-www-form-urlencoded";
            byte[] payload;
            payload = System.Text.Encoding.UTF8.GetBytes(data); //通过UTF-8编码  
            hwr.ContentLength = payload.Length;
            Stream writer = hwr.GetRequestStream();
            writer.Write(payload, 0, payload.Length);
            writer.Close();
            var result = hwr.GetResponse() as HttpWebResponse; //此句是获得上面URl返回的数据  
            string strMsg = WebResponseGet(result);
            return strMsg;  
        }

        public static string WebResponseGet ( HttpWebResponse webResponse )
        {
            StreamReader responseReader = null;
            string responseData = "";
            try
            {
                responseReader = new StreamReader(webResponse.GetResponseStream());
                responseData = responseReader.ReadToEnd();
            }
            catch
            {
                throw;
            }
            finally
            {
                webResponse.GetResponseStream().Close();
                responseReader.Close();
                responseReader = null;
            }
            return responseData;
        }  

    }
}