unit AccCloseOffBacku;

interface


uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Grids, DBGridEh, DB, kbmMemTable,ImgList,DateUtils,
  Buttons, DBCtrls, ADODB,Mask, bsSkinCtrls, BusinessSkinForm;

type
  TfrmAccCloseOffBack = class(TForm)
    memTblPeriod: TkbmMemTable;
    dsrPeriod: TDataSource;
    memTblPeriodPERIOD: TStringField;
    memTblPeriodPYEAR: TIntegerField;
    memTblPeriodPMONTH: TIntegerField;
    memTblPeriodFDAY: TDateTimeField;
    memTblPeriodTDAY: TDateTimeField;
    memTblPeriodCLOSED: TStringField;
    Label3: TLabel;
    Memo1: TMemo;
    memTblPeriodPeriodDsp: TStringField;
    EditPeriod: TEdit;
    bbtnExcute: TbsSkinButton;
    bsSkinButton2: TbsSkinButton;
    bsBusinessSkinForm1: TbsBusinessSkinForm;
    procedure FormShow(Sender: TObject);
    procedure memTblPeriodCalcFields(DataSet: TDataSet);
    procedure bbtnExcuteClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  frmAccCloseOffBack: TfrmAccCloseOffBack;

implementation

uses my_sys_function, u_main;

{$R *.dfm}

procedure TfrmAccCloseOffBack.FormShow(Sender: TObject);
var aQuery : TAdoQuery;
begin
  aQuery:=CreateAdoQuery;
  with aQuery do
    try
      Close;SQL.Clear;
      SQL.Add('Select * from Period');
      SQL.Add('where Closed=''T'' order by period');
      Open;
      with memTblPeriod do begin
        Close;
        EmptyTable;
        Filtered:=false;
        LoadFromDataSet(aQuery, []);
        Last;
        bbtnExcute.Enabled:=RecordCount>0;
        if bbtnExcute.Enabled then
          EditPeriod.Text:=FieldByName('PeriodDsp').AsString
        else EditPeriod.Text:='没有可以反结转的期间'; 
      end;
    finally
      Close;Free;
    end;
end;

procedure TfrmAccCloseOffBack.memTblPeriodCalcFields(DataSet: TDataSet);
begin
  with DataSet do
    FieldByName('PeriodDsp').AsString:=
      Format(' %d 年 %d 月', [FieldByName('PYear').AsInteger, FieldByName('PMonth').AsInteger]);
end;

procedure TfrmAccCloseOffBack.bbtnExcuteClick(Sender: TObject);
var aQuery, aQuery2 : TAdoQuery;
    aYear, aMonth : String;
    tyear,tmonth:integer;
begin
  aQuery:=CreateAdoQuery;
  aQuery2:=CreateAdoQuery;
  with aQuery do
    try
      frm_main.db.BeginTrans;

      with memTblPeriod do begin
        aYear:=FieldByName('PYear').AsString;
        aMonth:=FieldByName('PMonth').AsString;
      end;

      Close;SQL.Clear;
      SQL.Add('Update Period Set Closed=''F''');
      SQL.Add('where Period='''+memTblPeriod.FieldByName('Period').AsString+'''');
      ExecSQL;

      Close;SQL.Clear;
      SQL.Add('Delete from t_ch_bank_genleg');
      SQL.Add('where 年='+aYear+' and 月='+aMonth);
      ExecSQL;

      Close;SQL.Clear;
      SQL.Add('Delete from t_ch_cust_genleg');
      SQL.Add('where 年='+aYear+' and 月='+aMonth);
      ExecSQL;

      Close;SQL.Clear;
      SQL.Add('Delete from t_ch_genleg');
      SQL.Add('where 年='+aYear+' and 月='+aMonth);
      ExecSQL;

      Close;SQL.Clear;
      SQL.Add('Delete from t_ch_custbalance');
      SQL.Add('where 年='+aYear+' and 月='+aMonth);
      ExecSQL;


      Logininfo.offyear:=StrToInt(aYear);
      Logininfo.offmonth:=StrToInt(amonth);

      if strtoint(get_parameters_value(140,'0'))=0 then
        Logininfo.endday:=EncodeDate(Logininfo.offyear, Logininfo.offmonth,1)-1
      else begin
         if Logininfo.offmonth=1 then begin
           tYear:=Logininfo.offyear-1;
           tmonth:=12;
         end else begin
           tYear:=Logininfo.offyear;
           tmonth:=Logininfo.offmonth-1;
         end;
         Logininfo.endday:=EncodeDate(tyear,tmonth,strtoint(get_parameters_value(140,'0')));
      end;



      frm_main.db.CommitTrans;

      memTblPeriod.Delete;
      memTblPeriod.Last;
      bbtnExcute.Enabled:=memTblPeriod.RecordCount>0;
      if bbtnExcute.Enabled then
        EditPeriod.Text:=memTblPeriod.FieldByName('PeriodDsp').AsString
      else EditPeriod.Text:='没有可以反结转的期间';

      MessageDlg('反结帐工作已经完成！', mtWarning, [mbOk], 0);
    finally
      Close;
      FreeAndNil(aQuery);
      aQuery2.Close;
      FreeAndNil(aQuery2);
      frm_main.db.RollbackTrans;
    end;
end;

end.