[AllowAnonymous]//对获取token得方法加允许匿名标注//不受授权控制,任何人都可访问
        public async Task <string> Token([FromBody] LoginViewModel loginViewModel)
        {
            if (ModelState.IsValid)
            {
                SysUser user = await _userserver.CheckUser(loginViewModel.User, loginViewModel.Password);

                //判断用户名密码是否正确,如果不正确返回Token  !(loginViewModel.User=="avery"&& loginViewModel.Password=="123")
                if (user == null)
                {
                    return("账号或者密码错误");
                }
                else
                {
                    #region MyRegion
                    var Ip = HttpContext.GetClientIP();
                    //var claim = new Claim[]
                    //{
                    //    new Claim(ClaimTypes.Name,user.Account),
                    //    new Claim(ClaimTypes.Role,user.Account),
                    //};
                    ////设置对称秘钥
                    //var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_jwtSettings.SecretKey));
                    ////生成签名证书(秘钥,加密算法)
                    //var creds = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
                    ////生成token  [注意]需要nuget添加Microsoft.AspNetCore.Authentication.JwtBearer包,并引用System.IdentityModel.Tokens.Jwt命名空间
                    //var token = new JwtSecurityToken(_jwtSettings.Issuer, _jwtSettings.Audience, claim, DateTime.Now, DateTime.Now.AddDays(1), creds);
                    #endregion
                    TokenModelJWT tokenModel = new TokenModelJWT()
                    {
                        Uid  = user.Id,
                        Role = "Admin",
                    };
                    var token = JwtHelper.IssueJWT(tokenModel);
                    try
                    {
                        //var ss= DateTime.Now;
                        //_redisCacheManager.Set("Id", new { Id = 12 },ss.TimeOfDay);
                        //_log.Add("创建TOken", "用户登陆", Ip,EnumTypes.其他分类);
                        return(token);
                    }
                    catch (Exception ex)
                    {
                        throw;
                    }
                }
            }
            return("账号或者密码错误");
        }