📄 unitdept.~pas
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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.
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