unigui+fastReport实现web打印方案

procedure TfrmMeetingInf.btnPrintClick(Sender: TObject);
begin
    with frmMeetingInfPrint do begin
        try
            sTitle := memTitle.Lines.Text;
            sTime := edTime.Text;
            sPsn := edPsn.Text;
            sAddress := memAddress.Lines.Text;
            ShowModal(nil);
        finally
        end;
    end;
end;

procedure TfrmMeetingInfPrint.UniFormBeforeShow(Sender: TObject);
var
    rptFileName,url: string;
begin
    rptFileName := '会议通知单.fr3';
    frxReport1.Clear();
    try
        frxReport1.LoadFromFile(UniServerModule.FilesFolderPath+rptFileName);   //存放在files目录下面
        frxReport1.PrintOptions.ShowDialog := false;
        frxReport1.ShowProgress := false;
        frxReport1.EngineOptions.SilentMode := true;
        frxReport1.EngineOptions.EnableThreadSafe := true;
        frxReport1.EngineOptions.DestroyForms := false;
        frxReport1.EngineOptions.UseGlobalDataSetList := false;

        frxPDFExport1.Background:=true;
        frxPDFExport1.ShowProgress:=False;
        frxPDFExport1.ShowDialog:=false;
        frxPDFExport1.FileName:=UniServerModule.NewCacheFileUrl(False,'pdf','','',url,true);
        frxPDFExport1.DefaultPath := '';

        frxReport1.PreviewOptions.AllowEdit := false;
        frxReport1.PrepareReport();
        frxReport1.Export(frxPDFExport1);

        UniURLFrame1.URL := url;
    finally
    end;
end;

procedure TfrmMeetingInfPrint.frxReport1BeforePrint(
  Sender: TfrxReportComponent);
begin
    if (Sender is TfrxMemoView) then begin
        if ((Sender as TfrxMemoView).Name = 'memTitle') then begin
            (Sender as TfrxMemoView).Memo.Text := sTitle;
        end;
        if ((Sender as TfrxMemoView).Name = 'memPsn') then begin
            (Sender as TfrxMemoView).Memo.Text := sPsn;
        end;
        if ((Sender as TfrxMemoView).Name = 'memTime') then begin
            (Sender as TfrxMemoView).Memo.Text := sTime;
        end;
        if ((Sender as TfrxMemoView).Name = 'memAddress') then begin
            (Sender as TfrxMemoView).Memo.Text := sAddress;
        end;
    end;
end;