public class ActionsConfig
    {
        /// <summary>
        /// 是否生成Actions
        /// </summary>
        public static bool GenerateConfigs { get; set; }
        /// <summary>
        /// 是否採用追加模式，如果是追加模式則不刪除現有資料
        /// </summary>
        public static bool IsAppendMode { get; set; }
        
 
/// <summary>
        /// 是否更新現有記錄
        /// </summary>
        public static bool IsModifed { get; set; }
        public static Task<int> GetActions(string[] namespaces)
        {
            if (!GenerateConfigs) return new Task<int>(() => 0);
            DAL.NoteBookContext db = new
 
 DAL.NoteBookContext();
            var types = Assembly.GetExecutingAssembly().GetExportedTypes().Where(t => namespaces.Contains(t.Namespace)).ToArray();
            var actions = new List<DAL.Entities.Action>();
            for (int i = 0; i < types.Length; i++)
            {
                
 
bool isMvcController = types[i].IsSubclassOf(typeof(Controller));
                //bool isApiController = types[i].IsSubclassOf(typeof(ApiController));
                //if (!isMvcController && !isApiController) continue;
                var fullName = types[i].FullName;
                var name = types[i].Name;
                var areaName = GetAreaName(fullName);
                var tAttr = types[i].GetCustomAttribute<Attributes.ActionDescriptorAttribute>();
                var authorize = types[i].GetCustomAttributes<AuthorizeAttribute>();
                string roles = "";
                if (authorize != null)
                    roles = string.Join(",", authorize.Select(a => a.Roles));
                if (null != tAttr)
                {
                    string attrName = tAttr.Name;
                    //如果是追加模式需要判斷是否已經存在
                    bool find = db.Actions.Where(a => a.Name == attrName).Count() > 0;
                    if (!IsAppendMode || !find)
                        actions.Add(new DAL.Entities.Action
                        {
                            Id = Guid.NewGuid(),
                            Name = tAttr.Name,
                            Text = tAttr.Text,
                            Parameter = tAttr.Parameter,
                            AreaName = areaName,
                            ControllerName = name.Substring(0, name.IndexOf("Controller")),
                            ActionName = "#",
                            IsLeaf = tAttr.IsLeaf,
                            IconClass = tAttr.IconClass,
                            Ordinal = tAttr.Ordinal,
                            ShowInLeftNavigationBar = true,
                            Depth = tAttr.Depth,
                            ParentName = tAttr.ParentName,
                            IsLink = tAttr.IsLink,
                            AllowedRoles = roles
                        });
                    if (find && IsModifed)
                    {
                        DAL.Entities.Action action = db.Actions.Where(a => a.Name == attrName).FirstOrDefault();
                        action.Text = tAttr.Text;
                        action.Parameter = tAttr.Parameter;
                        action.AreaName = areaName;
                        action.ControllerName = name.Substring(0, name.IndexOf("Controller"));
                        action.ActionName = "#";
                        action.IsLeaf = tAttr.IsLeaf;
                        action.IconClass = tAttr.IconClass;
                        action.Ordinal = tAttr.Ordinal;
                        action.ShowInLeftNavigationBar = true;
                        action.Depth = tAttr.Depth;
                        action.ParentName = tAttr.ParentName;
                        action.IsLink = tAttr.IsLink;
                        action.AllowedRoles = string.IsNullOrEmpty(roles) || roles == "None" ? null : roles;
                        if (string.IsNullOrEmpty(roles) || roles == "None")
                            action.AllowedRoles = null;
                        db.SaveChanges();
                    }
                }
                var methods = types[i].GetMethods(BindingFlags.Public | BindingFlags.DeclaredOnly | BindingFlags.Instance);
                for (int j = 0; j < methods.Length; j++)
                {
                    var mAttr = methods[j].GetCustomAttribute<Attributes.ActionDescriptorAttribute>();
                    if (null != mAttr)
                    {
                        string attrName = mAttr.Name;
                        //如果是追加模式需要判斷是否已經存在
                        bool find = db.Actions.Where(a => a.Name == attrName).Count() > 0;
                        if (find && IsModifed)
                        {
                            DAL.Entities.Action action = db.Actions.Where(a => a.Name == attrName).FirstOrDefault();
                            action.Text = mAttr.Text;
                            action.Parameter = mAttr.Parameter;
                            action.AreaName = areaName;
                            action.ControllerName = name.Substring(0, name.IndexOf("Controller"));
                            action.ActionName = methods[j].Name;
                            action.IsLeaf = mAttr.IsLeaf;
                            action.IconClass = mAttr.IconClass;
                            action.Ordinal = mAttr.Ordinal;
                            action.ShowInLeftNavigationBar = mAttr.ShowInLeftNavigationBar;
                            action.Depth = mAttr.Depth;
                            action.ParentName = mAttr.ParentName;
                            action.IsLink = mAttr.IsLink;
                            action.AllowedRoles = string.IsNullOrEmpty(roles) || roles == "None" ? null : roles;
                            if (string.IsNullOrEmpty(roles) || roles == "None")
                                action.AllowedRoles = null;
                            db.SaveChanges();
                        }
                        if (find && IsAppendMode) continue;
                        actions.Add(new DAL.Entities.Action
                        {
                            Id = Guid.NewGuid(),
                            Name = mAttr.Name,
                            Text = mAttr.Text,
                            Parameter = mAttr.Parameter,
                            AreaName = areaName,
                            ControllerName = name.Substring(0, name.IndexOf("Controller")),
                            ActionName = methods[j].Name,
                            IsLeaf = mAttr.IsLeaf,
                            IconClass = mAttr.IconClass,
                            Ordinal = mAttr.Ordinal,
                            ShowInLeftNavigationBar = mAttr.ShowInLeftNavigationBar,
                            Depth = mAttr.Depth,
                            ParentName = mAttr.ParentName,
                            IsLink = mAttr.IsLink,
                            AllowedRoles = roles
                        });
                    }
                }
            }

            var bll = new NoteBookBLL<DAL.Entities.Action>();
            if (IsAppendMode)
                return bll.AddRangeAsync(actions);
            else
                return bll.DeleteAsync(a => true).ContinueWith(task =>
                {
                    return bll.AddRangeAsync(actions).Result;
                });
        }

        private static string GetAreaName(string fullName)
        {
            string[] nameSections = fullName.Split(new char[] { '.' });
            var areaIndex = Array.IndexOf(nameSections, "Areas", 0);
            string areaName = null;
            if (areaIndex > 0)
                areaName = nameSections[areaIndex + 1];
            return areaName;
        }
    }