网上各种方法均试过，·同样问题

[图片] 有时可以，有时不可以，直接报填充无效无法被移除， 加密数据：FJOD8oQ8l/4awbPuNMfdb+oQjMFjYlgDyx8qOkbViMG5CCs8OlSFs66Y2oYgRFg40oA98lansvmsOFQ3h4+dW19mNo0c+dCWpLPf2XT6UzZ16BL+QPIN+29pqmrDbR3BEd2dlaOsiZmeAVQFov2TPfANZyLMBZNk9w9cA8IGoivQ/0vZoy3teFfeHykTdsjtZgLt4uBH9VBsoHzXyZCCQzcprmIabNjgZ2zEeGcrBJD5OhlDSJftTint9tPYNdRZo1GgZpkdf7rupzc9pQ0aOXNL/LdkLWl/GutI6OOpb1Vs3prBn2dnMn7zv/SshlR3wk91RwMhpL7gEy4QmEJVzPQgwBjFGyE68e5NYwxXdHf4cGLeckyChsaeIvSqi1RR1C4CpKcsxNI/ZrUvKmmOEADm6vR4xiXShUT8iYQLyPSNSetOoNEIv4Lqutu9Vh2yhHszW47vS/N0zZJ0hz5bp/m1v2i3qzOfOV/6Lh1YEG8= 密钥：H186u5/0NMFynRLcEv0CKQ== IV：bH0I4SMZEc33MlSoezDwSA== 请问是不是密钥或者IV出错了

客户端 getPhoneNumber: function (e) { let that=this; wx.login({ success: function (res) { if (e.detail.errMsg == 'getPhoneNumber:fail user deny') { wx.navigateTo({ url: '../../pages/userLogin/userLogin', }); } else { if (e.detail.errMsg == 'getPhoneNumber:fail:cancel to confirm login') { wx.navigateTo({ url: '../../pages/userLogin/userLogin?url='+that.data.url }); } else { //console.log(res.code); wx.request({ url: api.AESdecrypt, data: { 'encryptedDataStr': e.detail.encryptedData, 'code': res.code, 'iv': e.detail.iv }, method: 'post', header: { 'content-type': 'application/x-www-form-urlencoded' }, success: function (data) { console.log(data); app.globalData.userInfo = data.data.data; setTimeout(function(){ wx.navigateBack({ changed: true });//返回上一页 },500); }, error: function () { tip.showToast('error'); }, fail: function (err) { tip.showToast(err); } }) } } } }); }, 服务端 try             {                 string encryptedDataStr = System.Web.HttpContext.Current.Request["encryptedDataStr"],                     code = System.Web.HttpContext.Current.Request["code"],                     iv = System.Web.HttpContext.Current.Request["iv"];                 ReturnData resultMsg = new ReturnData();                 resultMsg.state = (int)StatusCodeEnum.Success;                 resultMsg.message = StatusCodeEnum.Success.GetEnumText();                 string strresult = "";                 string Appid = "Appid";                 string Secret = "Secret ";                 string grant_type = "authorization_code";                 GetUsersHelper GetUsersHelper = new Controllers.GetUsersHelper();                 //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;                 Stream s_re = WebRequest.Create(url).GetResponse().GetResponseStream();                 StreamReader sr = new StreamReader(s_re, Encoding.UTF8);                 string strLine = sr.ReadToEnd();                 sr.Close();                 //将字符串转换为json格式                  JObject jo = (JObject)JsonConvert.DeserializeObject(strLine);                 result res = new result();                 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();                     WriteInfo(res.errmsg);                 }                 if (!string.IsNullOrEmpty(res.openid))                 {                     //用户数据解密                      strresult = GetUsersHelper.AESDecrypt(encryptedDataStr, res.session_key,iv);//.AES_decrypt(encryptedDataStr,res.session_key,iv);//                     JObject jos = (JObject)JsonConvert.DeserializeObject(strresult);                     ResultInfo ress = new ResultInfo();                     ress.phoneNumber = jos["phoneNumber"].ToString();                     var model = Ioc.Get<IUserRepository>().FindMobile(ress.phoneNumber);                     resultMsg.data = model;                 }                 else                 {                     strresult = null;                     resultMsg.data = strresult;                 }                 return resultMsg;             }             catch (Exception ex)             {                 WriteInfo(ex.Message);                 return new ReturnData                 {                     state=200,                     message="error",                     data=null                 };             } 解密.net public string AESDecrypt(string inputdata, string AesKey, string AesIV)         {             try             {                 RijndaelManaged rijalg = new RijndaelManaged();                 //-----------------                     //设置 cipher 格式 AES-128-CBC                     rijalg.KeySize = 128;                 rijalg.Padding = PaddingMode.PKCS7;                 rijalg.Mode = CipherMode.CBC;                 rijalg.Key = Convert.FromBase64String(AesKey);                 rijalg.IV = Convert.FromBase64String(AesIV);                 byte[] encryptedData = Convert.FromBase64String(inputdata);                 //解密                     ICryptoTransform decryptor = rijalg.CreateDecryptor(rijalg.Key, rijalg.IV);                 string result;                 using (MemoryStream msDecrypt = new MemoryStream(encryptedData))                 {                     using (CryptoStream csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read))                     {                         using (StreamReader srDecrypt = new StreamReader(csDecrypt))                         {                             result = srDecrypt.ReadToEnd();                         }                     }                 }                 return result;               }             catch (Exception ex)             {                 ApiUserController apis = new ApiUserController();                 apis.WriteInfo("jiemi"+ex.Message);                 return null;             }         }

C#基础代码片段： private static byte[] AES_decrypt(string input, string iv, string key)         {             RijndaelManaged aes = new RijndaelManaged();             aes.KeySize = 256;             aes.BlockSize = 128;             aes.Mode = CipherMode.CBC;             aes.Padding =  PaddingMode.PKCS7;             aes.Key = Convert.FromBase64String(key);             aes.IV = Convert.FromBase64String(iv);             var decrypt = aes.CreateDecryptor(aes.Key, aes.IV);             byte[] xBuff = null;             using (var ms = new MemoryStream())             {                 using (var cs = new CryptoStream(ms, decrypt, CryptoStreamMode.Write))                 {                     byte[] xXml = Convert.FromBase64String(input);                      byte[] msg = new byte[xXml.Length + 32 - xXml.Length % 32];                      Array.Copy(xXml, msg, xXml.Length);                     cs.Write(xXml, 0, xXml.Length);                 }                 xBuff = decode2(ms.ToArray());                             }             return xBuff;         }         private static byte[] decode2(byte[] decrypted)         {             int pad = (int)decrypted[decrypted.Length - 1];             if (pad < 1 || pad > 32)             {                 pad = 0;             }             byte[] res = new byte[decrypted.Length - pad];             Array.Copy(decrypted, 0, res, 0, decrypted.Length - pad);             return res;         } 错误日志： ExecptionMessage:Padding is invalid and cannot be removed. mscorlib    at System.Security.Cryptography.RijndaelManagedTransform.DecryptData(Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount, Byte[]& outputBuffer, Int32 outputOffset, PaddingMode paddingMode, Boolean fLast)    at System.Security.Cryptography.RijndaelManagedTransform.TransformFinalBlock(Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount)    at System.Security.Cryptography.CryptoStream.FlushFinalBlock()    at System.Security.Cryptography.CryptoStream.Dispose(Boolean disposing)    at System.IO.Stream.Close()    at System.IO.Stream.Dispose()    at Senparc.Weixin.WxOpen.Helpers.EncryptHelper.AES_Decrypt(String Input, Byte[] Iv, Byte[] Key)    at Senparc.Weixin.WxOpen.Helpers.EncryptHelper.DecodeEncryptedData(String sessionKey, String encryptedData, String iv) 加密数据： sessionKey:98195476102492321891401391061935624977242；IV:116115241129461711788323441202601974169239； encryptedData:deWfUALVVTxrux2cp0qeqLWotTHTIpRmIrpcuWoh3ngyr7vjCDYq1wh2Q0CE6Zj9P/V2ZVqtjkVAiGdBuBR8fSs9qpWhb9ieO5FoumuvgoM6HP5+7Eul6lm8njXJlbTZr+pODAIeMoBIwpQUPpCLwYtpSuKlQGKvsrmoVU5j5xgoKm4dyKmNwq3qcqE5Q+HUOV0r/c7GusFWZD0haaccduMjmKAyupCpbwdDu6kiVfEo1pVZdp5j4C5ihrZdE7gzeS9vOAFDaB+NXPB6Lz+H8js6BH8gVJ7tZ1KUAwqt+FIqHHBKsREKoyjePwREkRc1Sr/N+QR1vps2cFGpqp16NAoTyT/JFi2jNs8PgrrEYZkjVvyMUYFlDnq5BWNyyh5RX34JEq7EN62sc+wfAMB2Nrm/QEcBCtYLycP3xcQnCLasU2SQbpIr5GOUz7aiIu5rwMXMUDDg7jxCOA4+ORfSHUgS6OczRjY+QqrcfKmlA84=

wx.navigateBack({ delta: 1 }); 没有上一级页面时 ，页面无任何反映