?? modpw_unit.pas
字號:
unit ModPW_Unit;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, DB, ADODB, Buttons, ExtCtrls;
type
TModPW_Form = class(TForm)
GroupBox1: TGroupBox;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Image1: TImage;
BitBtn2: TBitBtn;
Edit1: TEdit;
Edit2: TEdit;
Edit3: TEdit;
BitBtn1: TBitBtn;
ADOQuery1: TADOQuery;
ADOTable1: TADOTable;
procedure BitBtn2Click(Sender: TObject);
procedure BitBtn1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
ModPW_Form: TModPW_Form;
implementation
uses Login_Unit,User_Unit;
{$R *.dfm}
procedure TModPW_Form.BitBtn2Click(Sender: TObject);
begin
Self.Close;
end;
procedure TModPW_Form.BitBtn1Click(Sender: TObject);
var
pass:String;
begin
with Self.ADOQuery1 do
begin
Self.ADOQuery1.Close;
Self.ADOQuery1.SQL.Clear;
Self.ADOQuery1.SQL.Text:='select * from Login_Table where 用戶名=:p';
Self.ADOQuery1.Parameters.ParamByName('p').Value:=username;
Self.ADOQuery1.Open;
pass:=FieldByName('密碼').AsString; //取出舊密碼
end;
if Self.Edit1.Text=pass then
begin
if Self.Edit2.Text<>Self.Edit3.Text then
begin
MessageDlg('兩次輸入密碼不一致請重新輸入!',mtInformation,[mbOk],0);
Self.Edit3.Clear;
Self.Edit2.Clear;
Self.Edit2.SetFocus;
Exit;
end
else
begin
with Self.ADOQuery1 do
begin
Self.ADOQuery1.Close;
Self.ADOQuery1.SQL.Clear;
Self.ADOQuery1.SQL.Text:='update Login_Table set 密碼='+''''+trim(edit2.Text)+''''+'where 用戶名=:p';
Self.ADOQuery1.Parameters.ParamByName('p').Value:=username;
Self.ADOQuery1.ExecSQL;
MessageDlg('修改成功!',mtInformation,[mbOk],0);
Self.Close;
end;
end;
end
else
begin
MessageDlg('原密碼不正確!',mtInformation,[mbOk],0);
Self.Edit1.Clear;
Self.Edit3.Clear;
Self.Edit2.Clear;
Self.Edit1.SetFocus;
Exit;
end;
end;
end.
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