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Delphi 遍历类中的属性

作者:admin 来源: 日期:2018/2/15 17:15:42 人气: 标签:

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls,TypInfo;

type
  TForm1 = class(TForm)
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
{$M+} //如果不用 {$M+} 则需要继承TPersistent
  TTest = class(TObject)
  public


   FName,FSex,FScholl:string;
  published
     property Name :string read FName write FName;
     property Sex :string read FSex write FSex;
     property Scholl :string read FScholl write FScholl;
    end;
{$M-}
var
  Form1: TForm1;

implementation

{$R *.dfm}


procedure TForm1.Button2Click(Sender: TObject);
var
 PropCount, I: SmallInt;
 PropList: PPropList;
 PropStr,sValues: string;
 AClass:TTest;
 AStrings:TStrings;
begin
  AStrings:=TStrings.Create;
  AClass:=TTest.Create;
  AClass.Name:='MyTest';
  AClass.Sex:='Male';
  AClass.Scholl:='Scholl';

 PropCount := GetTypeData(AClass.ClassInfo).PropCount;
 GetPropList(AClass.ClassInfo, PropList);
 for I := 0 to PropCount - 1 do
 begin
   case PropList[I]^.PropType^.Kind of
     tkClass      : PropStr := '[Class] ';
     tkMethod     : PropStr := '[Method]';
     tkSet        : PropStr := '[Set]   ';
     tkEnumeration: PropStr := '[Enum]  ';
   else
     PropStr := '[Field] ';
   end;
 
   PropStr := PropStr + PropList[I]^.Name;
   PropStr := PropStr + ': ' + PropList[I]^.PropType^.Name;   

   sValues:=GetPropValue(AClass,PropList[I].Name,True);
   ShowMessage(sValues);
   ShowMessage(PropStr);
 end;
 FreeMem(PropList);

 
end;

end.

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