unit9.~pas

这是本人网络数据库实习的程序,编程语言选择DELPHI7.0,完全个人编写.本程序一些界面还不够完善,功能不大,还有很多地方需要改进,望有兴趣的朋友一起探讨或通过电子邮箱与我联系!

unit Unit9;

interface

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

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

var
  mmxg: Tmmxg;

implementation
  uses unit1,unit2;
{$R *.dfm}

procedure Tmmxg.Button2Click(Sender: TObject);
begin
  mmxg.Close;
end;

procedure Tmmxg.Button1Click(Sender: TObject);
begin
  if edit2.Text<> edit3.Text then
    begin
    showmessage('两次输入密码不一致，请重新输入！');
    edit2.SetFocus;
    end
  else if password<>edit1.Text then
    begin
    showmessage('原密码输入错误，请重新输入！');
    edit1.SetFocus;
    end
  else
    begin
    login.ADOTable1.First;
    while not login.ADOTable1.Eof do
      begin
      if login.ADOTable1.FieldByName('用户名').AsString=username then
        begin
        login.ADOTable1.FieldByName('密码').AsString:=edit2.Text;
        showmessage('密码修改成功！请返回！');
        mmxg.Close;
        end;
      login.ADOTable1.Next;
      end;
    end;
end;

end.