微信通过encryptedData，iv，Code获取用户信息
#region 通过encryptedate，iv，code获取用户信息返回登录状态 /// <summary> /// 判断用户是否存在-如果不存在保存用户信息，如果存在泽不需要更新 /// </summary> /// <param name="encryptedData"></param> /// <param name="iv"></param> /// <param name="code"></param> /// <returns></returns> [HttpPost] public ActionResult GetWxinfo(string encryptedData, string iv, string Code) { string Appid = "wx4feb6bfe43b18822"; string Secret = "012857c1e1fcb98496b8c5ba9d44f544"; string grant_type = "authorization_code";//默认值 //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"; string obj = Toolkits.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
调用方法下方
#region 获取链接返回数据,调用url，获取链接返回数据 /// <summary> /// 获取链接返回数据 /// </summary> /// <param name="Url">链接</param> /// <param name="type">请求类型</param> /// <returns></returns> public static string GetUrltoHtml(string Url, string type) { try { System.Net.WebRequest wReq = System.Net.WebRequest.Create(Url); System.Net.WebResponse wResp = wReq.GetResponse(); System.IO.Stream respStream = wResp.GetResponseStream(); using (System.IO.StreamReader reader = new System.IO.StreamReader(respStream, Encoding.GetEncoding(type))) { return reader.ReadToEnd(); } } catch (System.Exception ex) { return ex.Message; } } #endregion #region 微信小程序用户数据解密 public static string AesKey; public static string AesIV; /// <summary> /// AES解密 /// </summary> /// <param name="inputdata">输入的数据encryptedData</param> /// <param name="AesKey">key</param> /// <param name="AesIV">向量128</param> /// <returns name="result">解密后的字符串</returns> public static string AESDecrypt(string inputdata) { try { AesIV = AesIV.Replace(" ", "+"); AesKey = AesKey.Replace(" ", "+"); inputdata = inputdata.Replace(" ", "+"); byte[] encryptedData = Convert.FromBase64String(inputdata); RijndaelManaged rijndaelCipher = new RijndaelManaged(); rijndaelCipher.Key = Convert.FromBase64String(AesKey); // Encoding.UTF8.GetBytes(AesKey); rijndaelCipher.IV = Convert.FromBase64String(AesIV);// Encoding.UTF8.GetBytes(AesIV); rijndaelCipher.Mode = CipherMode.CBC; rijndaelCipher.Padding = PaddingMode.PKCS7; ICryptoTransform transform = rijndaelCipher.CreateDecryptor(); byte[] plainText = transform.TransformFinalBlock(encryptedData, 0, encryptedData.Length); string result = Encoding.UTF8.GetString(plainText); return result; } catch (Exception) { return null; } } #endregion
JObject jsonlist = (JObject)JsonConvert.DeserializeObject(obj); WxModel wxres = new WxModel(); try { //微信服务器验证成功 wxres.openid = jsonlist["openid"].ToString(); wxres.session_key = jsonlist["session_key"].ToString(); } catch (Exception) { //微信服务器验证失败 wxres.errcode = jsonlist["errcode"].ToString(); wxres.errmsg = jsonlist["errmsg"].ToString(); } //判断返回的oepnID知否存在 if (string.IsNullOrEmpty(wxres.openid)) { //用户数据解密 Toolkits.AesIV = iv; Toolkits.AesKey = wxres.session_key; var result = Toolkits.AESDecrypt(encryptedData); //存储用户数据 JObject _usrInfo = (JObject)JsonConvert.DeserializeObject(result); //userInfo userInfo = new userInfo(); //userInfo.openId = _usrInfo["openId"].ToString(); }
微信通过encryptedData，iv，Code获取用户信息
原文：https://www.cnblogs.com/SDdemon/p/14891654.html