📄 code.pas
字号:
unit code;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Buttons;
type
TFm_code = class(TForm)
Label1: TLabel;
Edit1: TEdit;
Label2: TLabel;
Label3: TLabel;
Edit3: TEdit;
Button1: TButton;
Edit2: TEdit;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Fm_code: TFm_code;
implementation
uses data;
var
sta:boolean;
{$R *.dfm}
procedure TFm_code.Button1Click(Sender: TObject);
begin
if sta=false then
begin
if ((edit1.Text='') or (edit1.Text=null)) then
application.MessageBox('请输入图书证号','输入错误',
mb_iconinformation + mb_defbutton1);
if ((edit2.Text='') or (edit2.Text=null)) then
application.MessageBox('请输入密码','输入错误',
mb_iconinformation + mb_defbutton1);
if ((edit3.text='') or (edit2.text=null)) then
application.MessageBox('请输入新密码','输入错误',
mb_iconinformation + mb_defbutton1);
fm_data.Cd_card.Close;
fm_data.Cd_card.CommandText:='select * from cards where cardNo='+edit1.Text+' and code='+edit2.text;
fm_data.Cd_card.Execute;
fm_data.Cd_card.Open;
if fm_data.Cd_card.RecordCount>0 then
begin
fm_data.Cd_card.Edit;
fm_data.Cd_card.fieldbyname('code').Value:=edit3.Text;
fm_data.Cd_card.ApplyUpdates(-1);
showmessage('密码修改成功');
end
else
showmessage('图书证或密码有错误');
end;
end;
procedure TFm_code.FormCreate(Sender: TObject);
begin
sta:=false;
end;
procedure TFm_code.Button2Click(Sender: TObject);
begin
close;
end;
end.
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