WmptWeixin/WebOAuth.cs

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/*********************************************************************
 .
 
 * Function : 
 *  at 2014-05-24 15:18:46.
  
*********************************************************************/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;


using WMPT.Model;
using WMPT.SQLServerDAL;
using WMPT.Common;
using System.Web;
using Newtonsoft.Json.Linq;

namespace WMPT.Weixin
{
    /// <summary>
    /// 网页授权相关，本类用来要微网站中通过网页授权方式，获取用户openid,和信息(本类只实现了获取openid)
    /// </summary>
    public class WebOAuth
    {
        protected HttpContext context;
        public string code = "";//用于获取openid

        /// <summary>
        /// 授权
        /// </summary>
        /// <param name="callbackurl"></param>
        public WebOAuth(HttpContext _context)
        {
            context = _context;
            WeiXinAccountInfo config = CacheHelper.GetWeiXinAccount();
            string callbackurl = config.revevar2 + "/Account/weixincallbak.aspx";

            string OAuthurl = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=" + config.AppId + "&redirect_uri=" + context.Server.UrlEncode(callbackurl) + "&response_type=code&scope=snsapi_base&state=hj#wechat_redirect";
            HJlog.toLog(OAuthurl);
            
            context.Response.Redirect(OAuthurl);
        }

        /// <summary>
        /// 授权后返回的地址
        /// </summary>
        /// <param name="callbackurl"></param>
        public WebOAuth(HttpContext _context, string _code)
        {
            context = _context;
            code = _code;
        }

        /// <summary>
        /// 获取Openid,也会获取到access_token,可用于获取用户信息。
        /// </summary>
        /// <returns></returns>
        public string getOpenid()