Delphi 泛型对象类

 {
   很早就写了．　只针对delphixe 以上的版本可用．
希望不是自己在造轮子．　
 }
 1 unit U_ClassUtility;
 2 
 3 interface
 4   uses generics.defaults,DateUtils,Classes,SysUtils,Windows, generics.collections;
 5 
 6 type
 7    TGenericList<T> = class
 8    private
 9       fList : Tlist<T>;
10       procedure SetList(const Value: TList<T>);
11    public
12       procedure clear;
13       procedure Add(Aobj : T);
14 
15       constructor Create;
16       destructor Destroy; override;
17       property List : TList<T> read FList write SetList;
18    end;
19 
20 implementation
21 { TGenericList<T> }
22 
23 procedure TGenericList<T>.Add(Aobj: T);
24 begin
25   fList.Add(Aobj);
26 end;
27 
28 procedure TGenericList<T>.clear;
29 var
30   i : Integer;
31 begin
32   for I := 0 to fList.Count -1 do
33    TObject(fList.Items[i]).Free;
34 
35   fList.Clear;
36 end;
37 
38 constructor TGenericList<T>.Create;
39 begin
40   fList :=  TList<T>.Create;
41 end;
42 
43 destructor TGenericList<T>.Destroy;
44 begin
45   clear;
46   fList.Free;
47   inherited;
48 end;
49 
50 procedure TGenericList<T>.SetList(const Value: TList<T>);
51 begin
52   FList := Value;
53 end;
54 
55 end.