unitregist.pas

一个音像租赁店铺的管理软件,可以维护影片库信息和会员信息,及日常业务的实现(出租/归还).这是我学delphi整一个月的纪念品,有些简单,不过我还是希望和大家分享一下我的成长历程.

unit UnitRegist;

interface

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

type
  TfrmRegist = class(TForm)
    Button1: TButton;
    Button2: TButton;
    GroupBox1: TGroupBox;
    Label1: TLabel;
    DBEdit1: TDBEdit;
    Label2: TLabel;
    DBEdit2: TDBEdit;
    Label3: TLabel;
    DBEdit3: TDBEdit;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    DBEdit6: TDBEdit;
    ComboBox1: TComboBox;
    Label7: TLabel;
    DBEdit7: TDBEdit;
    Edit1: TEdit;
    procedure FormCreate(Sender: TObject);
    procedure ComboBox1Select(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  frmRegist: TfrmRegist;

implementation

uses UnitDM;

{$R *.dfm}

procedure TfrmRegist.FormCreate(Sender: TObject);
begin
  DM.MenberDS.Append;
  DM.TypeDS.First;
  while not DM.TypeDS.Eof do
  begin
    ComboBox1.Items.Add(DM.TypeDS.FieldByName('会员种类').AsString);
    DM.TypeDS.Next;
  end;
  ComboBox1.ItemIndex:=0;
  ComboBox1.OnSelect(self);
end;

procedure TfrmRegist.ComboBox1Select(Sender: TObject);
begin

   DM.TypeDS.Locate('会员种类',ComboBox1.Text,[]);
   Edit1.Text:=DM.TypeDS.FieldByName('可用片次').AsString;
end;

procedure TfrmRegist.Button1Click(Sender: TObject);
begin
  DM.MenberDS.Edit;
  DM.MenberDS.FieldByName('种类').AsString:=ComboBox1.Text;
  DM.MenberDS.FieldByName('可用片次').AsString:=Edit1.Text;
  DM.MenberDS.UpdateBatch();
  DM.MenberDS.Refresh;
  DM.MenberDS.Append;
  ComboBox1.OnSelect(self);
end;

procedure TfrmRegist.Button2Click(Sender: TObject);
begin
  DM.MenberDS.Edit;
  DM.MenberDS.FieldByName('种类').AsString:=ComboBox1.Text;
  DM.MenberDS.FieldByName('可用片次').AsString:=Edit1.Text;
  DM.MenberDS.UpdateBatch();
  DM.MenberDS.Refresh;
  frmRegist.Close;
end;

procedure TfrmRegist.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  Action:=caFree;
  frmRegist:=nil;
  DM.MenberDS.Refresh;;
end;

end.