人人登陆并获取用户部分信息

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
using System.Net;
using System.Web.Script.Serialization;

namespace SinaLoginWebApp
{
    public partial class renren : System.Web.UI.Page
    {//应用ID：210192

        //API Key：612da7618e0c4810bbcd5d128099cabc

        //Secret Key：9574ab71a75240e49d9199a2584e2fbf

        protected void Page_Load(object sender, EventArgs e)
        {
            // 1】第一次请求    login2.NavigateUrl = "https://graph.renren.com/oauth/authorize?client_id=210192&response_type=code&redirect_uri=http://yiguanshou.com/renren.aspx&display=page";
       
            //CheckJson();
            //string code = Request["code"].ToString();
            string str = "u7vpoLQTe0ahpvExl6csQT7W3xL7fHoc";
            string renrenToken = "https://graph.renren.com/oauth/token?client_id=210192&client_secret=9574ab71a75240e49d9199a2584e2fbf&redirect_uri=http://yiguanshou.com/renren.aspx&grant_type=authorization_code&code="+str;

            string respone = WebRequest(HttpMethod.GET, renrenToken, string.Empty);

            PassportRenRenOAuthInfo info=new PassportRenRenOAuthInfo();
            JavaScriptSerializer js = new JavaScriptSerializer();
            
            info = js.Deserialize<PassportRenRenOAuthInfo>(respone);

            Response.Write(respone);

        }

        //private void CheckJson()
        //{
        //    string str='{"expires_in":2594996,"refresh_token":"210192|0.HwM8MGaXzLY1LHrhdKhOwSEs6XdW8tH2.246701167.1346415003415","user":{"id":246701167,"name":"宋波","avatar":[{"type":"avatar","url":"http://hdn.xnimg.cn/photos/hdn521/20110312/1555/h_head_BxVD_27af0001cd052f75.jpg"},{"type":"tiny","url":"http://hdn.xnimg.cn/photos/hdn221/20110312/1555/tiny_LP13_294099o019118.jpg"},{"type":"main","url":"http://hdn.xnimg.cn/photos/hdn521/20110312/1555/h_main_sKL0_27af0001cd052f75.jpg"},{"type":"large","url":"http://hdn.xnimg.cn/photos/hdn521/20110312/1555/h_large_94UP_27af0001cd052f75.jpg"}]},"access_token":"210192|6.05852f65d6fb266f62a418328a7e7c72.2592000.1349010000-246701167"}';

        //}


        private enum HttpMethod { GET, POST };

        private string WebRequest(HttpMethod method, string url, string postData)
        {
            HttpWebRequest webRequest = null;
            StreamWriter requestWriter = null;
            string responseData = "";

            webRequest = System.Net.WebRequest.Create(url) as HttpWebRequest;
            webRequest.Method = method.ToString();
            webRequest.ServicePoint.Expect100Continue = false;
            //if (ParamHelper.OpenWebProxy &&
            //    StringUtils.IsNullOrEmpty(ParamHelper.WebProxyInfo) == false)
            //{
            //    string[] webProxyInfo = ParamHelper.WebProxyInfo.Split('|');
            //    webRequest.Proxy = new WebProxy(webProxyInfo[0]);
            //    webRequest.Proxy.Credentials = new NetworkCredential(webProxyInfo[1], webProxyInfo[2]);
            //}

            ///写入数据
            if (method == HttpMethod.POST)
            {
                webRequest.ContentType = "application/x-www-form-urlencoded";
                requestWriter = new StreamWriter(webRequest.GetRequestStream());
                try
                {
                    requestWriter.Write(postData);
                }
                catch (Exception ex)
                {
                }
                finally
                {
                    if (requestWriter != null)
                    {
                        requestWriter.Close();
                        requestWriter = null;
                    }
                }
            }

            ///读取数据
            StreamReader responseReader = null;
            try
            {
                responseReader = new StreamReader(webRequest.GetResponse().GetResponseStream());
                responseData = responseReader.ReadToEnd();
            }
            catch (Exception ex)
            {
            }
            finally
            {
                if (webRequest != null &&
                    webRequest.GetResponse() != null &&
                    webRequest.GetResponse().GetResponseStream() != null)
                {
                    webRequest.GetResponse().GetResponseStream().Close();
                }

                if (responseReader != null)
                {
                    responseReader.Close();
                    responseReader = null;
                }

                webRequest = null;
            }
            return responseData;

        }
    }

    public class PassportRenRenOAuthInfo
    {
        public PassportRenRenOAuthInfo() { }

        private string expires_in;

        private string refresh_token;

        private User user;

        private string access_token;

        public string Expires_in
        {
            get { return expires_in; }
            set { expires_in = value; }
        }
        public string Refresh_token
        {
            get { return refresh_token; }
            set { refresh_token = value; }
        }
        public string Access_token
        {
            get { return access_token; }
            set { access_token = value; }
        }
        public User User
        {
            get { return user; }
            set { user = value; }
        }
    }

    public class User
    {
        public User() { }
        private string id;
        private string name;
        private List<Avatar> avatar;


        public string ID
        {
            get { return id; }
            set { id = value; }
        }
        public string Name
        {
            get { return name; }
            set { name = value; }
        }
        public List<Avatar> Avatar
        {
            get { return avatar; }
            set { avatar = value; }
        }
    }

    public class Avatar
    {
        public Avatar() { }
        private string type;
        private string url;
        public string Type
        {
            get { return type; }
            set { type = value; }
        }
        public string Url
        {
            get { return url; }
            set { url = value; }
        }
    }
}