QQ登录帮助类示例代码

【实例简介】
【实例截图】
【核心代码】

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Configuration;
using System.Web;
namespace LWSR.FBU.API
{
    public class QQHelper
    {
        public static string qq_id = Common.CommonUtils.GetStringValue(ConfigurationManager.AppSettings["qqid"]);
        public static string qq_key = Common.CommonUtils.GetStringValue(ConfigurationManager.AppSettings["qqkey"]);
        public static string qq_return = Common.CommonUtils.GetStringValue(ConfigurationManager.AppSettings["qqreturn"]);
        public QQHelper() { }

        /// <summary>
        /// 取得临时的Access Token
        /// </summary>
        /// <param name="code">临时Authorization Code，官方提示10分钟过期</param>
        /// <param name="state">防止CSRF攻击，成功授权后回调时会原样带回</param>
        /// <returns>Dictionary</returns>
        public static Dictionary<string, object> get_access_token(string code, string state)
        {
            string send_url = "https://graph.qq.com/oauth2.0/token?grant_type=authorization_code&client_id="   qq_id   "&client_secret="   qq_key   "&code="   code   "&state="   state   "&redirect_uri="   HttpUtility.UrlEncode(qq_return);

            //发送并接受返回值
            string result = Common.Common.getPageFromURL(send_url);
            if (result.Contains("error"))
            {
                return null;
            }
            else
            {
                try
                {
                    string[] parm = result.Split('&');
                    string access_token = parm[0].Split('=')[1];    //取得access_token
                    string expires_in = parm[1].Split('=')[1];      //Access Token的有效期，单位为秒
                    Dictionary<string, object> dic = new Dictionary<string, object>();
                    dic.Add("access_token", access_token);
                    dic.Add("expires_in", expires_in);
                    return dic;
                }
                catch (Exception)
                {

                    return null;
                }
            }
        }



        /// <summary>
        /// 取得用户openid
        /// </summary>
        /// <param name="access_token">临时的Access Token</param>
        /// <returns>Dictionary</returns>
        public static Dictionary<string, object> get_open_id(string access_token)
        {
            string send_url = "https://graph.qq.com/oauth2.0/me?access_token="   access_token;
            //发送并接受返回值
            string result =Common.Common.getPageFromURL(send_url);
            if (result.Contains("error"))
            {
                return null;
            }
            //取得文字出现
            int str_start = result.IndexOf('(')   1;
            int str_last = result.LastIndexOf(')') - 1;
            //取得JSON字符串
            result = result.Substring(str_start, (str_last - str_start));
            //反序列化JSON
            Dictionary<string, object> dic = Newtonsoft.Json.JsonConvert.DeserializeObject<Dictionary<string, object>>(result);
            return dic;
        }

        /// <summary>
        /// 获取登录用户自己的基本资料
        /// </summary>
        /// <param name="access_token">临时的Access Token</param>
        /// <param name="open_id">用户openid</param>
        /// <returns>Dictionary</returns>
        public static Dictionary<string, object> get_user_info(string access_token, string open_id)
        {
            //获得配置信息

            string send_url = "https://graph.qq.com/user/get_user_info?access_token="   access_token   "&oauth_consumer_key="   qq_id   "&openid="   open_id;
            //发送并接受返回值
            string result = Common.Common.getPageFromURL(send_url);
            if (result.Contains("error"))
            {
                return null;
            }
            //反序列化JSON
            Dictionary<string, object> dic = Newtonsoft.Json.JsonConvert.DeserializeObject<Dictionary<string, object>>(result);
            return dic;
        }

    }
}