tjquerym.~pas

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unit TjQueryM;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  DBCtrls, ComCtrls, ExtCtrls, ToolWin, StdCtrls, Grids, DBGrids, Spin,
  ImgList, Mask,adodb,db;

type
  TTjQuery = class(TForm)
    CoolBar1: TCoolBar;
    ToolBar1: TToolBar;
    Panel2: TPanel;
    DateTimePicker3: TDateTimePicker;
    DateTimePicker1: TDateTimePicker;
    Label4: TLabel;
    Panel12: TPanel;
    Label9: TLabel;
    Label17: TLabel;
    Label18: TLabel;
    ListBox2: TDBLookupListBox;
    Panel4: TPanel;
    DBGrid2: TDBGrid;
    ToolBar2: TToolBar;
    ImageList1: TImageList;
    Label5: TLabel;
    DateTimePicker4: TDateTimePicker;
    DateTimePicker2: TDateTimePicker;
    Panel8: TPanel;
    Label7: TLabel;
    Label3: TLabel;
    Label8: TLabel;
    Label1: TLabel;
    Edit4: TEdit;
    Edit3: TEdit;
    Edit2: TEdit;
    Edit1: TEdit;
    Edit5: TSpinEdit;
    ToolButton1: TToolButton;
    ToolButton2: TToolButton;
    ToolButton3: TToolButton;
    procedure DateTimePicker1Change(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure Panel12Exit(Sender: TObject);
    procedure ListBox2KeyPress(Sender: TObject; var Key: Char);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure Edit1KeyPress(Sender: TObject; var Key: Char);
    procedure ToolButton1Click(Sender: TObject);
    procedure DateTimePicker2Change(Sender: TObject);
    procedure ToolButton2Click(Sender: TObject);
    procedure ToolButton3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  TjQuery: TTjQuery;

implementation
uses datamz2, TjPrinM;
{$R *.DFM}

procedure TTjQuery.DateTimePicker1Change(Sender: TObject);
begin
  DateTimePicker3.datetime:=DateTimePicker1.datetime;
  datamzf2.TjQuery.Active:=false;
end;

procedure TTjQuery.FormCreate(Sender: TObject);
begin
 DateTimePicker1.date:=date();
 DateTimePicker2.date:=date();
 DateTimePicker3.date:=date();
 DateTimePicker4.date:=date();
end;

procedure TTjQuery.Panel12Exit(Sender: TObject);
begin
 panel12.Visible:=false;
end;

procedure TTjQuery.ListBox2KeyPress(Sender: TObject; var Key: Char);
begin
 case key of
   #13:
    begin
      edit5.value:=datamzf2.YpQuery2.FieldByName('yp_id').value;
      edit2.text:=datamzf2.YpQuery2.FieldByName('yp_name').value;
      edit3.text:=datamzf2.YpQuery2.FieldByName('yp_spec').value;
      edit4.text:=datamzf2.YpQuery2.FieldByName('yp_unit').value;
      datamzf2.YpQuery2.Close;
      edit1.SetFocus;
    end;
   #27:
    begin
      edit1.SetFocus;
      datamzf2.YpQuery2.active:=false;
    end;
 end ;

end;

procedure TTjQuery.FormClose(Sender: TObject;
  var Action: TCloseAction);
begin
 datamzf2.YpQuery2.active:=false;
 datamzf2.TjQuery.Active:=false;
 TjQuery.Release;
end;

procedure TTjQuery.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
 if  key=#13 then
   begin
    with datamzf2.YpQuery2 do
     begin
      active:=false;
      Parameters.ParamByName('@YpCode').Value := edit1.text;
      try
       open;
       panel12.Visible:=true;
       Listbox2.SetFocus;
      except
       showmessage('文件不能打开!');
      end;
     end;
   end;


end;

procedure TTjQuery.ToolButton1Click(Sender: TObject);
begin
 with datamzf2.TjQuery do
  begin
   Active:=false;
   Parameters.ParamByName('@Sdate').Value :=
     DateTimePicker1.datetime;
   Parameters.ParamByName('@Edate').Value :=
     DateTimePicker2.datetime;
   Parameters.ParamByName('@YpId').Value :=
     Edit5.Value;
   try
    datamzf2.TjQuery.Open;
   except
    showmessage('操作失败,可能权限不够!');
   end;
  end;
end;

procedure TTjQuery.DateTimePicker2Change(Sender: TObject);
begin
 DateTimePicker4.datetime:=DateTimePicker2.datetime;
 datamzf2.TjQuery.Active:=false;

end;

procedure TTjQuery.ToolButton2Click(Sender: TObject);
begin
 edit1.Text:='';
 edit2.Text:='';
 edit3.Text:='';
 edit4.Text:='';
 edit5.Value:=0;

end;

procedure TTjQuery.ToolButton3Click(Sender: TObject);
var title:string[80];
begin
  title:=datetostr(DateTimePicker3.Date)+'—'+datetostr(DateTimePicker4.Date);
  if DataMzf2.TjQuery.Active=true then
   begin
    TjPrin.Recipe_title.Caption:=title;
    TjPrin.Preview;
   end;
end;

end.