C# MVC 页面面包屑以及相应的权限验证操作

一、特性类

    /// <summary>
    /// 访问权限控制属性。
    /// </summary>
    [AttributeUsage(AttributeTargets.Method, AllowMultiple = false)]
    public class ActionAttribute : Attribute
    {
        /// <summary>
        /// 初始化Action类的新实例。
        /// </summary>
        public ActionAttribute(string id)
        {
            this.ActionID = id;
        }

        /// <summary>
        /// 操作标识。
        /// </summary>
        public string ActionID { get; set; }
    }

 

二、拦截器代码

        /// <summary>
        /// 全局拦截器
        /// </summary>
        protected override void OnAuthorization(AuthorizationContext filterContext)
        {
            base.OnAuthorization(filterContext);

                    Type controllerType = filterContext.Controller.GetType();
                    MethodInfo methodInfo = controllerType.GetMethod(filterContext.ActionDescriptor.ActionName, BindingFlags.Public | BindingFlags.IgnoreCase | BindingFlags.Instance);
                    Attribute customAttribute = Attribute.GetCustomAttribute(methodInfo, typeof(GTC.Web.Attributes.ActionAttribute));
                    GTC.Web.Attributes.ActionAttribute actionAttribute = customAttribute == null ? null : (GTC.Web.Attributes.ActionAttribute)customAttribute;

                BindCrumbs(actionAttribute.ActionID);
        }


        /// <summary>
        /// 绑定面包屑
        /// </summary>
        /// <param name="functionKey"></param>
        private void BindCrumbs(string functionKey)
        {
            ArrayList arr = new ArrayList();

            var thisAction = GetFunctions().FirstOrDefault(p => p.FActionID == functionKey);

            if (thisAction != null)
            {
                arr.Add(thisAction.FActionName);

                QueryCrumbs(thisAction.FParentActionID, ref arr);

                arr.Reverse();
                ViewBag.Menu = "当前位置 ：" + string.Join("", (string[])arr.ToArray(typeof(string)));
            }
        }

        private void QueryCrumbs(string parentId, ref ArrayList arr)
        {
            var parentAction = GetFunctions().FirstOrDefault(p => p.FActionID == parentId);

            if (parentAction != null)
            {
                arr.Add("->");

                if (parentAction.FParentActionID == "100000")
                {
                    arr.Add(parentAction.FActionName);
                }
                else
                {
                    arr.Add("<a href='" + parentAction.FActionUrl + "'>" + parentAction.FActionName + "</a>");
                    QueryCrumbs(parentAction.FParentActionID, ref arr);
                }
            }
        }

        public static List<Action> GetFunctions()
        {
             //获取系统所有权限
        }

 

三、在方法上加标签[Attributes.Action(ActionID = "5201314")]