unit6.~pas

本系统用delphi语言和sql数据库

unit Unit6;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, DB, DBTables, jpeg, ExtCtrls;

type
  TForm6 = class(TForm)
    DataSource1: TDataSource;
    Table1: TTable;
    Label1: TLabel;
    Label2: TLabel;
    Edit1: TEdit;
    Button2: TButton;
    Button1: TButton;
    Image1: TImage;
    Label4: TLabel;
    Label5: TLabel;
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form6: TForm6;

implementation

uses Unit1;

{$R *.dfm}

procedure TForm6.Button2Click(Sender: TObject);
begin
close;
end;

procedure TForm6.Button1Click(Sender: TObject);
var
pwd:string;
begin
table1.Open;
pwd:=table1['pass'];
if(edit1.Text=pwd) then
begin
form6.Hide;
form1.Show;
end
else begin
showmessage('密码输入错误，请重新输入！');
end;
table1.Close;
end;

end.