WebHttpRequest Post请求

一个小例子，在一般处理程序中调用别处的http协议

using System;

using System.IO;

using System.Collections;

using System.Data;

using System.Linq;

using System.Web;

using System.Web.Services;

using System.Web.Services.Protocols;

using System.Xml.Linq;

using System.Net;

using System.Text;

 

namespace WebApplication1

{

 

    [WebService(Namespace = "http://tempuri.org/")]

    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

    public class Handler1 : IHttpHandler

    {

 

        public void ProcessRequest(HttpContext context)

        {

            HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create("http://fanyi.baidu.com/transcontent");

            Encoding encoding = Encoding.UTF8;

            string param = "ie=utf-8&source=txt&query=hello&t=1327829764203&token=8a7dcbacb3ed72cad9f3fb079809a127&from=auto&to=auto";

            //encoding.GetBytes(postData);

            byte[] bs = Encoding.ASCII.GetBytes(param);

            string responseData = String.Empty;            

            req.Method = "POST";

            req.ContentType = "application/x-www-form-urlencoded";

            req.ContentLength = bs.Length;

            using (Stream reqStream = req.GetRequestStream())

            {

                reqStream.Write(bs, 0, bs.Length);

                reqStream.Close();

            }

            using (HttpWebResponse response = (HttpWebResponse)req.GetResponse())

            {

                using (StreamReader reader = new StreamReader(response.GetResponseStream(),encoding))

                {

                    responseData = reader.ReadToEnd().ToString();

                }

                context.Response.Write(responseData);

            }

        }

        public bool IsReusable

        {

            get

            {

                return false;

            }

        }

    }

}