extral.pas

这是一个用Delphi写的工资管理系统

unit extral;

interface

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

type
  Textral_form = class(TForm)
    Panel1: TPanel;
    Image1: TImage;
    Panel2: TPanel;
    DBNavigator1: TDBNavigator;
    Panel3: TPanel;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    SpeedButton4: TSpeedButton;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Edit4: TEdit;
    SpeedButton5: TSpeedButton;
    SpeedButton6: TSpeedButton;
    Panel4: TPanel;
    Image2: TImage;
    SpeedButton7: TSpeedButton;
    SpeedButton8: TSpeedButton;
    Edit5: TEdit;
    Label5: TLabel;
    Label6: TLabel;
    Edit6: TEdit;
    SpeedButton9: TSpeedButton;
    DBGrid1: TDBGrid;
    Label7: TLabel;
    Edit7: TEdit;
    procedure SpeedButton4Click(Sender: TObject);
    procedure SpeedButton1Click(Sender: TObject);
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
    procedure SpeedButton5Click(Sender: TObject);
    procedure SpeedButton6Click(Sender: TObject);
    procedure SpeedButton7Click(Sender: TObject);
    procedure SpeedButton8Click(Sender: TObject);
    procedure SpeedButton9Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  extral_form: Textral_form;
   change :    bool;
implementation
  uses data;
{$R *.dfm}

procedure Textral_form.SpeedButton4Click(Sender: TObject);
begin
speedbutton6.Click;
close;
end;

procedure Textral_form.SpeedButton1Click(Sender: TObject);
begin
Edit1.Enabled:=True;
Edit2.Enabled:=True;
Edit3.Enabled:=True;
Edit4.Enabled:=True;

speedButton5.Enabled:=True;
speedButton6.Enabled:=True;
Speedbutton2.Enabled:=False;
Speedbutton3.Enabled:=False;
Edit1.Clear;
Edit2.Clear;
Edit3.Clear;
Edit4.Clear;

Edit1.SetFocus;
end;

procedure Textral_form.SpeedButton2Click(Sender: TObject);
begin
speedButton1.Enabled:=True;
speedButton3.Enabled:=True;

if Application.MessageBox('是否删除?','提示',mb_yesno)=6 then//6为yes7为no
begin
try
If mydm.extralsource.DataSet.IsEmpty<>true then
begin
Mydm.extralsource.DataSet.Delete;
end;
except
Application.MessageBox('无记录。','提示',mb_ok);
end;
end;
end;

procedure Textral_form.SpeedButton3Click(Sender: TObject);
begin
if mydm.extralquery.RecordCount=0 then
Exit;
speedbutton5.Enabled:=true;
speedbutton6.Enabled:=true;
change:=true;
Speedbutton1.Enabled:=false;
Speedbutton2.Enabled:=false;

Edit1.Enabled:=true;
Edit2.Enabled:=true;
Edit3.Enabled:=true;
Edit4.Enabled:=true;
Edit7.Enabled:=true;
Edit1.Text:=mydm.extralsource.DataSet.Fields[0].AsString;
Edit2.Text:=mydm.extralsource.DataSet.Fields[1].AsString;
Edit3.Text:=mydm.extralsource.DataSet.Fields[2].AsString;
Edit4.Text:=mydm.extralsource.DataSet.Fields[3].asstring;
Edit7.Text:=mydm.extralsource.DataSet.Fields[4].asstring;

end;
procedure Textral_form.SpeedButton5Click(Sender: TObject);
begin
if ((Edit1.text<>'') and (Edit2.Text<>'') ) then
begin
if Change=true then
begin
mydm.extralsource.DataSet.Delete;
end;
with mydm.extralquery do
begin
Close;
with SQL do
begin
Clear;
Add('insert into extral values(:p0,:p1,:p2,:p3,:p4)');
end;
Parameters[0].value:=Trim(edit1.Text);
parameters[1].Value:=Trim(edit2.Text);
Parameters[2].Value:=Trim(edit3.Text);
Parameters[3].Value:=Trim(edit4.Text);
Parameters[4].Value:=Trim(edit7.Text);

Execsql;
end;
with mydm.extralquery do
begin
Close;
with SQL do
begin
Clear;
Add('select*from extral');
end;
Open;
Change:=false;
end;
end
else
begin
Application.MessageBox('输入必要信息。','提示',64);
edit1.SetFocus;
exit;
end;
Speedbutton1.Enabled:=true;
Speedbutton2.Enabled:=true;
Speedbutton3.Enabled:=true;

edit1.clear;
edit2.Clear;
edit3.clear;
edit4.Clear;
edit7.Clear;


end;

procedure Textral_form.SpeedButton6Click(Sender: TObject);
begin
Speedbutton1.Enabled:=true;
Speedbutton2.Enabled:=true;
Speedbutton3.Enabled:=true;

edit1.clear;
edit2.Clear;
edit3.clear;
edit4.Clear;
edit7.Clear;
end;

procedure Textral_form.SpeedButton7Click(Sender: TObject);
begin
with mydm.extralquery do
begin
Close;
with SQL do
begin
Clear;
Add('select*from extral where name=:p0');
end;
Parameters[0].Value:=Trim(Edit5.Text);//Trim()为去空格函数
Prepared;
Open;
edit6.Clear;
end;
end;


procedure Textral_form.SpeedButton8Click(Sender: TObject);
begin
with mydm.extralquery do
begin
Close;
with SQL do
begin
Clear;
Add('select*from extral where name=:p0');
end;
Parameters[0].Value:=Trim(Edit6.Text);//Trim()为去空格函数
Prepared;
Open;
edit5.Clear;
end;
end;

procedure Textral_form.SpeedButton9Click(Sender: TObject);
begin
with mydm.extralquery do
begin
Close;
with SQL do
begin
Clear;
Add('select*from extral ');
end;
Prepared;
Open;
edit5.Clear;
edit6.Clear;

end;
end;
end.