/// <summary>
        /// action执行后
        /// </summary>
        /// <param name="filterContext"></param>
        public void OnActionExecuted(ActionExecutedContext filterContext)
        {
            Rlog rlog = filterContext.HttpContext.Items["Rlog"] as Rlog;

            rlog.ResponseTime   = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff");
            rlog.ResponseResult = Newtonsoft.Json.JsonConvert.SerializeObject(filterContext.Result);
            _logger.LogInformation(Newtonsoft.Json.JsonConvert.SerializeObject(rlog));
        }
        /// <summary>
        /// action执行前
        /// </summary>
        /// <param name="filterContext"></param>
        public void OnActionExecuting(ActionExecutingContext filterContext)
        {
            //记录日志
            //filterContext.ActionArguments 请求参,Dictionary字典类型 key是方法的参数名 value是参数值
            //filterContext.ActionDescriptor.Parameters获取方法参数信息 名称等
            Rlog rlog = new Rlog()
            {
                RequestTime  = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"),
                ActionName   = filterContext.ActionDescriptor.DisplayName,//包含了控制器名称和方法名称
                RequestParms = JsonConvert.SerializeObject(filterContext.ActionArguments[filterContext.ActionDescriptor.Parameters[0].Name]),
            };

            //filterContext.HttpContext.Items 可以存一些自定义数据 以便在其他方法 如 OnResultExecuted中使用
            filterContext.HttpContext.Items.Add("Rlog", rlog);
        }