DCEF3 与JS交互

unit Unit1;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, cefvcl,ceflib;
type
//这里建议用class  不建议用class(TThread)  不然有些地方要报错
TMyExtension = class(TThread) // or just class, (extension code execute in thread)
  public
  class function _geta(test : string):string;
end;
type
TCustomRenderProcessHandler = class(TCefRenderProcessHandlerOwn)
protected
    procedure OnWebKitInitialized; override;
end;
type
  TForm1 = class(TForm)
    Chromium1: TChromium;
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}
class function TMyExtension._geta(test : string): string;
begin
    Result := test;
end;

procedure TCustomRenderProcessHandler.OnWebKitInitialized;
begin
  TCefRTTIExtension.Register('JS_DELPHI', TMyExtension);
end;

initialization
  CefRenderProcessHandler := TCustomRenderProcessHandler.Create;

end.

(*
  <script>
  alert( JS_DELPHI._geta('Test Call') );
  </script>
*)

转到：http://www.cnblogs.com/Delphi-Farmer/p/4103708.html