unitdept.pas

仓储系统

unit UnitDept;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, DB, Grids, DBGrids, StdCtrls, ExtCtrls;

type
  TfrmDept = class(TForm)
    Panel2: TPanel;
    btnAdd: TButton;
    btnCancel: TButton;
    btnErase: TButton;
    btnMod: TButton;
    btnSave: TButton;
    btnExit: TButton;
    Panel1: TPanel;
    lblDept: TLabel;
    lblDeptName: TLabel;
    Label1: TLabel;
    Label2: TLabel;
    lblPosition: TLabel;
    lblLeader: TLabel;
    lblJob: TLabel;
    lblBz: TLabel;
    edtDept: TEdit;
    edtDeptName: TEdit;
    edtPosition: TEdit;
    edtLeader: TEdit;
    edtJob: TEdit;
    edtBz: TEdit;
    DBGrid1: TDBGrid;
    dsDept: TDataSource;
    procedure btnAddClick(Sender: TObject);
    procedure btnModClick(Sender: TObject);
    procedure btnSaveClick(Sender: TObject);
    procedure btnCancelClick(Sender: TObject);
    procedure btnExitClick(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure FormShow(Sender: TObject);
    procedure edtDeptKeyPress(Sender: TObject; var Key: Char);
    procedure edtBzKeyPress(Sender: TObject; var Key: Char);
    procedure edtDeptExit(Sender: TObject);
    procedure dsDeptDataChange(Sender: TObject; Field: TField);
    procedure btnEraseClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  frmDept: TfrmDept;
  isAdd,isMod:boolean;
  Recno:Tbookmark;
implementation

uses UnitDm;

{$R *.dfm}

procedure TfrmDept.btnAddClick(Sender: TObject);
begin
  isAdd:=true;
  isMod:=false;
  if btnAdd.caption='增加(&A)' then
  begin
    btnAdd.enabled:=false;
    btnErase.enabled:=false;
    btnMod.enabled:=false;
    btnSave.enabled:=true;
    btnCancel.enabled:=true;

    panel1.enabled:=true;
    edtDept.text:='';
    edtDeptName.text:='';
    edtLeader.text:='';
    edtJob.text:='';
    edtPosition.text:='';
    edtBz.text:='';
    edtDept.setfocus;
  end;
end;

procedure TfrmDept.btnEraseClick(Sender: TObject);
begin
  if dm.qry_Dept.RecordCount=0 then exit;
  if application.MessageBox('确信删除当前记录?','警告',mb_okcancel+mb_iconwarning)=IDOK then
  begin
    with dm.qry_Dept do
    begin
      edit;
      Delete;
      Close;
      Open;
    end;
  end;
end;

procedure TfrmDept.btnModClick(Sender: TObject);
begin
  if dm.qry_Dept.RecordCount=0 then exit;
  //获得当前的记录位置
  Recno:=dm.qry_Dept.GetBookmark;
  //关闭与表的联系-------------
  dm.qry_Dept.DisableControls;
  //标志位--------
  isAdd:=false;
  isMod:=true;
  
  btnAdd.Enabled:=false;
  btnErase.Enabled:=false;
  btnMod.Enabled:=false;
  btnSave.Enabled:=true;
  btnCancel.Enabled:=true;
  edtDeptName.enabled:=true;
  edtLeader.enabled:=true;
  edtJob.enabled:=true;
  edtPosition.enabled:=true;
  edtBz.enabled:=true;
  panel1.enabled:=true;
  edtDeptName.setfocus;
end;

procedure TfrmDept.btnSaveClick(Sender: TObject);
begin
  if edtDept.text='' then
  begin
    application.MessageBox('注意：'+#13+'  部门代码不能为空!','警告',mb_ok+mb_iconwarning);
    edtDept.setfocus;
    exit;
  end;
  if (length(edtDept.text)>0) and (length(edtDept.text)<2) then
  begin
    application.MessageBox('注意：'+#13+'  部门代码不能少于两个字符!','警告',mb_ok+mb_iconwarning);
    edtDept.setfocus;
    exit;
  end;

  if isadd then
  begin
    DM.qry_Dept.DisableControls;
    DM.qry_Dept.append;
  end;
  DM.qry_Dept.edit;
    DM.qry_Dept.fieldbyname('Dept_id').asstring:=edtDept.Text;
    DM.qry_Dept.fieldbyname('Dept_Name').asstring:=edtDeptName.text;
    DM.qry_Dept.fieldbyname('Dept_place').asstring:=edtPosition.Text;
    DM.qry_Dept.fieldbyname('Dept_Leader').asstring:=edtLeader.text;
    DM.qry_Dept.fieldbyname('Dept_Job').asstring:=edtJob.Text;
    DM.qry_Dept.fieldbyname('Dept_Memo').asstring:=edtBz.text;
  Dm.qry_Dept.post;
//---------------------------------------
  if isAdd then isAdd:=false;
  if isMod then isMod:=false;

  Panel1.Enabled:=false;

  btnadd.enabled:=true;
  btnadd.SetFocus;
  btnErase.enabled:=true;
  btnMod.enabled:=true;
  btnSave.enabled:=false;
  btnCancel.enabled:=false;

  edtDept.Enabled:=true;

  Dm.qry_Dept.EnableControls;
  Dm.qry_Dept.close;
  Dm.qry_Dept.open;
end;

procedure TfrmDept.btnCancelClick(Sender: TObject);
begin
  if btnCancel.caption='取消(&C)' then
  begin
    panel1.enabled:=false;
    btnAdd.enabled:=true;
    btnErase.enabled:=true;
    btnMod.enabled:=true;
    btnSave.enabled:=false;
    btnCancel.enabled:=false;
  end;
end;

procedure TfrmDept.btnExitClick(Sender: TObject);
begin
  close;
end;

procedure TfrmDept.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  action:=cafree;
end;

procedure TfrmDept.FormShow(Sender: TObject);
begin
  with dm.qry_Dept do
  begin
    close;
    sql.Clear;
    sql.Add('select * from Department order by Dept_id');
    open;
  end;
end;

procedure TfrmDept.edtDeptKeyPress(Sender: TObject; var Key: Char);
begin
  if key=#13 then
  begin
    key:=#0;
    perform(cm_dialogkey,vk_tab,0);
  end;
end;

procedure TfrmDept.edtBzKeyPress(Sender: TObject; var Key: Char);
begin
  if key=#13 then
  begin
    key:=#0;
    btnSave.setfocus;
  end;
end;

procedure TfrmDept.edtDeptExit(Sender: TObject);
begin
  if edtDept.text='' then exit;
  if isadd then//增加
  begin
    if dm.qry_Dept.Locate('Dept_id',edtDept.text ,[loCaseInsensitive]) then
    begin
      application.MessageBox('注意：'+#13+'  部门代码重复,请重新输入!','警告',mb_ok+mb_iconwarning);
      edtDept.text:='';
      edtDept.SetFocus;
      exit;
    end;
  end;
end;

procedure TfrmDept.dsDeptDataChange(Sender: TObject; Field: TField);
begin
  if not isadd then
  begin
    edtDept.Text:=DM.qry_Dept.fieldbyname('Dept_id').asstring;
    edtDeptName.text:=DM.qry_Dept.fieldbyname('Dept_Name').asstring;
    edtPosition.Text:=DM.qry_Dept.fieldbyname('Dept_place').asstring;
    edtLeader.text:=DM.qry_Dept.fieldbyname('Dept_Leader').asstring;
    edtJob.Text:=DM.qry_Dept.fieldbyname('Dept_Job').asstring;
    edtBz.text:=DM.qry_Dept.fieldbyname('Dept_Memo').asstring;
  end else
    exit;
end;


end.