1:  static List
    
      entitiesList = null;
    

2:   

3:          internal static void Reload()

4:          {

5:              entitiesList = (from pc in iDepartmentsRepository.GetDepartments()

6:                              orderby pc.DeptName ascending

7:                              select pc).ToList();

8:          }

9:   

10:          #region 树型部门列表

11:          /// 

12:          /// 虚拟产品类别

13:          /// 

14:          /// 
    
     虚拟产品类别列表
    

15:          public static Entity.OA.Department GetTree()

16:          {

17:              Reload();

18:              Entity.OA.Department root = new Entity.OA.Department();

19:              try

20:              {

21:                  root = entitiesList.Single(

22:                     item => item.DeptID.Equals(Entity.OA.Department.ROOTID));//获取跟节点

23:                  GetSubs(root);

24:   

25:              }

26:              catch (InvalidOperationException ex)

27:              {

28:                  ex.ToString();

29:              }

30:              return root;

31:          }

32:   

33:   

34:          /// 

35:          /// 根据父对象，找到子孙树

36:          /// 

37:          /// 父对象

38:          static public void GetSubs(Entity.OA.Department father)

39:          {

40:              father.SubList = entitiesList.Where(item =>

41:                  item.ParentID.Equals(father.DeptID)).ToList();

42:              father.SubList.ForEach(item =>

43:              {

44:                  item.Father = father;

45:                  GetSubs(item);

46:              });

47:   

48:          }

49: #endregion

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