?? frm_loginu.~pas
字號:
unit frm_loginU;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls,frm_mainU,Db,AdoDb,Config, Mask;
type
Tfrm_login = class(TForm)
Panel1: TPanel;
Panel2: TPanel;
btn_ok: TButton;
btn_cancel: TButton;
edt_user: TEdit;
Label1: TLabel;
Label2: TLabel;
edt_pwd: TMaskEdit;
procedure btn_cancelClick(Sender: TObject);
procedure btn_okClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
private
Try_times:integer;//記錄用戶輸入錯誤次數(shù)
public
end;
var
frm_login: Tfrm_login;
implementation
uses DataMU,ClassesU,Control_OperatorU;
{$R *.dfm}
procedure Tfrm_login.btn_cancelClick(Sender: TObject);
begin
Application.Terminate;
end;
procedure Tfrm_login.btn_okClick(Sender: TObject);
var
operator:TOperator;
operatorID:integer;
begin
if (edt_user.Text='') then
begin
MessageBox(Handle, '用戶名不能為空', '信息', MB_ICONASTERISK);
exit;
end;
//啟動數(shù)據(jù)庫連接
if(not DataM.ADOCon.Connected) then
begin
DataM.ADOCon.ConnectionString:=TXQWYConfig.getConnectionStr;
DataM.ADOCon.Open;
end;
operator:=Toperator.Create;
operator.OperatorName:=edt_user.Text;
operator.pwd:=edt_pwd.Text;
operatorID:=Control_OperatorU.CheckOperator(operator);
if operatorID<>-1 then
begin
frm_main.userID:=operatorID;
frm_main.Show;
self.Close;
end
else
begin
MessageBox(Handle, '用戶名和密碼不對', '小區(qū)物業(yè)', MB_ICONEXCLAMATION);
inc(Try_times);
if Try_times=3 then
begin
MessageBox(Handle, '輸入錯誤超過3次,系統(tǒng)關(guān)閉', '小區(qū)物業(yè)', MB_ICONEXCLAMATION);
frm_main.Close;
end;
end;
end;
procedure Tfrm_login.FormCreate(Sender: TObject);
begin
//初始化記錄用戶輸入錯誤次數(shù)
Try_times:=0;
end;
end.
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