📄 unit1.~pas
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unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, jpeg, ExtCtrls, StdCtrls, DB, ADODB;
type
TForm1 = class(TForm)
Label1: TLabel;
Image1: TImage;
Label2: TLabel;
Label3: TLabel;
Edit1: TEdit;
Edit2: TEdit;
Button1: TButton;
ADOQuery1: TADOQuery;
GroupBox1: TGroupBox;
RadioButton1: TRadioButton;
RadioButton2: TRadioButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
str0,str00:string;
implementation
uses Unit2, Unit3;
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
var
str2:string;
begin
if (RadioButton1.Checked)and (radiobutton2.Checked=false) then
begin
str2:='select * from user1 where username=';
str2:=str2+quotedstr(Edit1.Text)+'and pwd='+quotedstr(edit2.Text);
adoquery1.Close ;
adoquery1.SQL.Clear ;
adoquery1.SQL.Add(str2);
adoquery1.Open;
if adoquery1.RecordCount >0 then
form2.show
else
showmessage('用户名或密码有误,请重新输入!')
end
else if (RadioButton1.Checked=false) and (radiobutton2.Checked) then
begin
str2:='select * from Staff where Staff#=';
str2:=str2+quotedstr(Edit1.Text)+'and pwd='+quotedstr(Edit2.Text);
adoquery1.Close ;
adoquery1.SQL.Clear ;
adoquery1.SQL.Add(str2);
adoquery1.Open;
str0:=edit1.Text ;
str00:=edit2.Text ;
if adoquery1.RecordCount >0 then
form3.show
else
showmessage('用户名或密码有误,请重新输入!')
end
else if (RadioButton1.Checked=false) and (radiobutton2.Checked=false) then
showmessage('没有选择使用权限,请选择使用权限!')
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
application.Terminate ;
end;
end.
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