public IHttpActionResult GetWxUser(string code, string iv, string encryptedData) { string Appid = "wx12a7e3bf7a31d815"; string Secret = ConfigHelper.GetConfig("Wx_Secret");//ConfigurationManager.AppSettings["Wx_Secret"]; //"b4722d8a6a5629ed7717e58d1af431ba"; string grant_type = "authorization_code"; //向微信服务端 使用登录凭证 code 获取 session_key 和 openid string url = "https://api.weixin.qq.com/sns/jscode2session?appid=" + Appid + "&secret=" + Secret + "&js_code=" + code + "&grant_type=" + grant_type; string type = "utf-8"; WxHelper wh = new WxHelper(); string html = wh.GetUrlToHtml(url, type);//获取微信服务器返回字符串 //将字符串转换为json格式 JObject jo = (JObject)JsonConvert.DeserializeObject(html); dynamic res = new System.Dynamic.ExpandoObject(); try { //微信服务器验证成功 res.openid = jo["openid"].ToString(); res.session_key = jo["session_key"].ToString(); } catch (Exception) { //微信服务器验证失败 res.errcode = jo["errcode"].ToString(); res.errmsg = jo["errmsg"].ToString(); } if (((IDictionary <string, object>)res).ContainsKey("openid") && !string.IsNullOrEmpty(res.openid)) { var decryptres = wh.AESDecrypt(encryptedData, res.session_key, iv); JObject userInfo = (JObject)JsonConvert.DeserializeObject(decryptres); res.userinfo = userInfo; } return(Ok(res)); }