/// <summary>

    /// 日志记录过滤器，主要用于跟踪问题，正常情况下不需要使用

    /// </summary>

    public class LogAttribute : ActionFilterAttribute

    {

        public override void OnActionExecuting(Controllers.HttpActionContext actionContext)

        {

            LogHelper.Warn(actionContext.ActionDescriptor.ActionName + "进入执行：", Utils.SerializeObject(actionContext.ActionArguments));

            base.OnActionExecuting(actionContext);

        }

        public override void OnActionExecuted(HttpActionExecutedContext actionExecutedContext)

        {

            string actonName = actionExecutedContext.ActionContext.ActionDescriptor.ActionName;

            if (actionExecutedContext.Exception != null)

            {

                LogHelper.Error(actonName + "退出执行异常：", actionExecutedContext.Exception);

                LogHelper.Error(actonName + "异常参数：", Utils.SerializeObject(actionExecutedContext.ActionContext.ActionArguments));

            }

            else

            {

                LogHelper.Warn(actonName + "成功退出执行：", Utils.SerializeObject(actionExecutedContext.ActionContext.ActionArguments));

                LogHelper.Warn(actonName + "响应：", actionExecutedContext.Response.Content.ReadAsStringAsync().Result);

            }

            base.OnActionExecuted(actionExecutedContext);

        }

    }