backup.pas

一个很简单的三层数据库程序,包括毕业论文, 因为简单,所以容易供参考学习!

unit backup;

interface

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

type
  TFM_back = class(TForm)
    Edit1: TEdit;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Label1: TLabel;
    SaveDialog1: TSaveDialog;
    Label2: TLabel;
    Edit2: TEdit;
    ADOCommand1: TADOCommand;
    procedure Button3Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  FM_back: TFM_back;

implementation

uses data;

{$R *.dfm}

procedure TFM_back.Button3Click(Sender: TObject);
begin
   if SaveDialog1.Execute then
     edit2.Text:=SaveDialog1.FileName;
end;

procedure TFM_back.Button1Click(Sender: TObject);
begin
   FM_back.ADOCommand1.CommandText:='backup database '+trim(edit1.Text)+' to DISK ='+''''+edit2.text+''''+'with init';
   FM_back.ADOCommand1.Execute;
   showmessage('备份成功');
end;

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

end.


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