使用开源项目Alipay.AopSdk.Core完成支付宝网页登录

public IActionResult UserInfoCallBackAli()
        {
            var alipayClient = new DefaultAopClient(ConfigAli.ServerUrl, 
                                        ConfigAli.AppId, 
                                        ConfigAli.PrivateKey, 
                                        "json", 
                                        null, 
                                        "RSA2", 
                                        ConfigAli.AlipayPublicKey, 
                                        "UTF-8",
                                        false);
            var alipayRequest = new AlipaySystemOauthTokenRequest();
            alipayRequest.Code = Request.Query["auth_code"];
            alipayRequest.GrantType = "authorization_code";
            var aliUser = new UsersAli();
            try
            {
                var alipayResponse = alipayClient.Execute(alipayRequest);                
                if (!alipayResponse.IsError)
                {
                    var requestUser = new AlipayUserInfoShareRequest();
                    try
                    {
                        var userinfoShareResponse = alipayClient.Execute(requestUser, alipayResponse.AccessToken);
                        if (!userinfoShareResponse.IsError)
                        {
                            initUserInfo(aliUser, userinfoShareResponse);
                            var db = DB.GetInstance();
                            var flag = db.Queryable<UsersAli>().Where(m => m.user_id == aliUser.user_id).Any();
                            if (!flag)
                            {
                                db.Insertable<UsersAli>(aliUser).ExecuteCommand();
                                ViewData["json"] = "入库成功";
                            }
                            ViewData["json"] = "存在记录不用入库";
                            db.Dispose();
                        }
                    }
                    catch(AopException ex)
                    {
                        System.IO.File.AppendAllText("log", ex.ErrorMsg + "\r\n");
                        ViewData["ex"] = "出错"+ ex.ErrorMsg;
                    }
                }
            }
            catch(AopException ex)
            {
                System.IO.File.AppendAllText("log", ex.ErrorMsg + "\r\n");
                ViewData["ex"] = "出错"+ ex.ErrorMsg;
            }
            return View();
        }

private void initUserInfo(UsersAli aliUser,AlipayUserInfoShareResponse response)
        {
            aliUser.user_id = response.UserId;
            aliUser.avatar = response.Avatar;
            aliUser.nick_name = response.NickName;
            aliUser.city = response.City;
            aliUser.province = response.Province;
            aliUser.gender = response.Gender;
            aliUser.user_type = response.UserType;
            aliUser.is_certified = response.IsCertified;
            aliUser.is_student_certified = response.IsStudentCertified;
            //aliUser.is_balance_frozen = userinfoShareResponse.isBalanceFrozen
            //aliUser.address = userinfoShareResponse.address
            //aliUser.area = userinfoShareResponse.area
            //aliUser.business_scope =  userinfoShareResponse.businessScope
            //aliUser.cert_no = userinfoShareResponse.certNo
            //aliUser.email = userinfoShareResponse.email
            //aliUser.license_no = userinfoShareResponse.licenseNo
            //aliUser.mobile = userinfoShareResponse.mobile
            //aliUser.person_birthday = userinfoShareResponse.personBirthday
        }