Plugins/Tencent/WeChat/WeChatScanLogin.aspx.cs

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using System;
using System.Data;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using EKETEAM.FrameWork;
using EKETEAM.Data;
using EKETEAM.Tencent.WeChat;
using LitJson;

namespace eFrameWork.Plugins
{
    public partial class WeChatScanLogin : System.Web.UI.Page
    {
        public string UserArea = "Application";
        eUser user;
        string redirectUrl = "";
        public string fromURL = "";
        //开放平台申请 网站应用才可以扫码登录，公众号不支持。
        protected void Page_Load(object sender, EventArgs e)
        {
            fromURL = eParameters.QueryString("fromURL");
            string area = eParameters.QueryString("area");
            if (Request.QueryString["mode"] != null)
            {
                if (area.Length > 0 && fromURL.Length > 0)
                {
                    fromURL += (fromURL.IndexOf("?") == -1 ? "?" : "&") + "area=" + area;
                }
                return;
            }
          
            fromURL = eParameters.QueryString("state");
            redirectUrl = HttpUtility.UrlEncode(Request.Url.Path() + Request.Url.File());
            string code = Request["code"];
            if (string.IsNullOrEmpty(code))
            {
                OpenAccess();
            }
            if (fromURL.getQuery("area").Length > 0)
            {
                UserArea = fromURL.getQuery("area");
                fromURL = fromURL.removeQuery("area");
            }
            user = new eUser(UserArea);
            string _fromURL = HttpUtility.UrlDecode(fromURL);
            JsonData json = WeChatHelper.getOpenAccessToken(code);
            string accesstoken = json.GetValue("access_token");
            string openid = json.GetValue("openid");
            string unionid = json.GetValue("unionid");
            if (openid.Length == 0 && unionid.Length == 0)
            {
                if (_fromURL.ToLower().StartsWith("http"))
                {
                    JsonData jd = new JsonData();
                    jd.Add("success", "1");
                    jd.Add("errcode", "1");
                    jd.Add("message", "授权失败!");
                    string _base64 = Base64.Encode(jd.ToJson());