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Unit1.pas
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Unit1.pas
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unit Unit1;
interface
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls,UJsonObject;
type
TForm1 = class(TForm)
Button1: TButton;
Memo1: TMemo;
Button2: TButton;
MultiLineMemo: TMemo;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
{$M+}
TMyTest = class(TObject)
private
fInt:Integer;
fString:String;
public
Constructor Create;
Destructor Free;
published
property MyStr: string read fString write fString;
property MyInt: Integer read fInt write fInt;
end;
{$M-}
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
var
i:integer;
SObj:TJsonObject<TMyTest>;
c:TJsonObject<TMyTest>;
MyNodeTest:TMyTest;
begin
SObj:=TJsonObject<TMyTest>.Create;
// Create data object // Ñîçäàåì îáúåêò, êîòîðûé õîòèì ñîõðàíèòü
MyNodeTest:=TMyTest.Create;
MyNodeTest.MyStr:=MultiLineMemo.Text; //multiline test // òåñò ìíîãîñòðî÷íîãî òåêñòà
MyNodeTest.MyInt:=100;
// Connect data object to Storage Object // Óêàçûâàåì ññûëêó íà íåãî
SObj.Node:=MyNodeTest;
// Create SubObject // Ñîçäàåì ïîäîáúåêòû (äðåâîâèäíàÿ ñòðóêòóðà)
for i:=1 to 10 do
begin
c:=TJsonObject<TMyTest>.Create;
MyNodeTest:=TMyTest.Create;
MyNodeTest.MyStr:='Str'+inttostr(i);
MyNodeTest.MyInt:=i;
c.Node:=MyNodeTest;
SObj.Storage.Add(c);
end;
Memo1.Lines.Text:= SObj.SaveToText;
SObj.Free;
end;
procedure TForm1.Button2Click(Sender: TObject);
var
SObj,item:TJsonObject<TMyTest>;
begin
SObj:=TJsonObject<TMyTest>.Create;
SObj.LoadFromText(Memo1.Lines.Text);
Memo1.Lines.Add(SObj.Node.MyStr);
// Classic method
// for i:=0 to SObj.Storage.Count-1 do
// Memo1.Lines.Add(SObj.Storage[i].Node.MyStr);
// ForIn method
for item in SObj.ForInStorage do
Memo1.Lines.Add(item.Node.MyStr);
SObj.Free;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
ReportMemoryLeaksOnShutdown := True;
end;
{ TMyTest }
constructor TMyTest.Create;
begin
end;
destructor TMyTest.Free;
begin
end;
end.