teachmmchage.pas

教务管理子系统的基本功能实现

unit teachmmchage;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  Tteachmmchang = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  teachmmchang: Tteachmmchang;

implementation
uses datamodal;

{$R *.dfm}

procedure Tteachmmchang.Button1Click(Sender: TObject);
begin
 DataModule1.jszhmm.Open;
 if DataModule1.jszhmm.FindKey([trim(Edit1.Text)])=false then
  begin
   showmessage('原始密码不正确，请重新输入!');
   Edit1.text:='';
   Edit1.SetFocus;
   exit;
   end
 else
 if  (edit2.Text='') or (edit3.Text='') then
 begin
   showmessage('请确认你两次输入的新密码!');
   edit2.Text:='';
   edit3.Text:='';
   edit2.SetFocus;
   end
  else
 if edit2.Text<>edit3.Text then
 begin
  showmessage('两次输入的密码不正确!');
  Edit2.text:='';
  Edit2.SetFocus;
  exit;
  end
  else
  begin
  DataModule1.jszhmm.Close;
  showmessage('密码修改成功!');
  edit1.Text:='';
  edit2.Text:='';
  edit3.Text:='';
  end;
end;


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

end.