微信OAuth2网页授权

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using YTO.WeiXin.Model;

using YTO.Framework.Core;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json;



namespace WeiXin.Core

{

    public class OAuth20

    {

        public static string OAuth(string code)

        {

            string AppID = JobBase.GetConfParamValue(ParamEnum.AppID).ToString();

            string AppSecret = JobBase.GetConfParamValue(ParamEnum.AppSecret).ToString();

            string url = string.Format("https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code", AppID, AppSecret, code);

            string Jsonstr = RequestHelper.SendGet(url);

            JObject obj = JObject.Parse(Jsonstr);

            string openId = obj["openid"].ToString().Replace("\"",string.Empty);

            return openId;

        }

    }

}