card.pas

我自己写的一个有关酒店管理系统的代码 大家

unit card;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Buttons, Grids, DBGrids, DB, ADODB;

type
  TCardForm = class(TForm)
    DBGrid1: TDBGrid;
    GroupBox1: TGroupBox;
    Label1: TLabel;
    Edit1: TEdit;
    Label2: TLabel;
    Edit2: TEdit;
    Label3: TLabel;
    Edit3: TEdit;
    Label4: TLabel;
    Edit4: TEdit;
    Label5: TLabel;
    Edit5: TEdit;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    BitBtn3: TBitBtn;
    BitBtn4: TBitBtn;
    ADOConnection1: TADOConnection;
    DataSource1: TDataSource;
    ADOTable1: TADOTable;
    procedure FormActivate(Sender: TObject);
    procedure ADOTable1AfterScroll(DataSet: TDataSet);
    procedure BitBtn2Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure BitBtn3Click(Sender: TObject);
    procedure BitBtn4Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    procedure LoadFromTable;
    procedure SaveToTable;
  end;

var
  CardForm: TCardForm;

implementation
  uses main;
{$R *.dfm}

procedure TCardForm.FormActivate(Sender: TObject);
begin
    edit1.Text:='';
    edit2.Text:='';
    edit3.Text:='';
    edit4.Text:='';
    edit5.Text:='';
    dbgrid1.DataSource:=datasource1;
    datasource1.DataSet:=adotable1;
    adotable1.Connection:=adoconnection1;
    adotable1.TableName:='信用卡表';
    adotable1.open;
    dbgrid1.ReadOnly:=true;
    if adotable1.Eof then
    begin
        edit1.Enabled:=false;
        edit2.Enabled:=false;
        edit3.Enabled:=false;
        edit4.Enabled:=false;
        edit5.Enabled:=false;
        bitbtn2.SetFocus;
    end
    else
    begin
        loadfromtable;
        edit2.SetFocus;
    end;
end;
procedure TCardForm.LoadFromTable;
begin
    Edit1.Text:=IntTostr(adotable1.fieldByname('序号').asinteger);
    edit2.text:=adotable1.fieldbyname('信用卡名').asstring;
    edit3.text:=adotable1.fieldbyname('发卡银行').asstring;
    edit4.text:=adotable1.fieldbyname('币种').asstring;
    edit5.text:=adotable1.fieldbyname('说明').asstring;
end;

procedure TCardForm.ADOTable1AfterScroll(DataSet: TDataSet);
begin
      LoadFromTable;
end;

procedure TCardForm.BitBtn2Click(Sender: TObject);
begin
       edit2.enabled:=true;
       edit3.enabled:=true;
       edit4.enabled:=true;
       edit5.enabled:=true;
       adotable1.Append;
       edit2.SetFocus;
       edit1.text:=inttostr(adotable1.RecordCount+1);
end;

procedure TCardForm.BitBtn1Click(Sender: TObject);
begin
      savetotable;
end;
procedure TCardForm.SaveToTable;
begin
        adotable1.edit;
        adoTable1.FieldByName('序号').asinteger:=StrToInt(edit1.text);
        adoTable1.FieldByName('信用卡名').asstring:=edit2.text;
        adoTable1.FieldByName('发卡银行').asstring:=edit3.text;
        adoTable1.FieldByName('币种').asstring:=edit4.text;
        adoTable1.FieldByName('说明').asstring:=edit5.text;
        adoTable1.FieldByName('操作员').asstring:=username;
        adoTable1.FieldByName('操作日期').asDateTime:=date();        
        adotable1.post;
end;
procedure TCardForm.BitBtn3Click(Sender: TObject);
begin
    adotable1.edit;
    adotable1.Delete;
    adotable1.edit;
    adotable1.First;
    while not adotable1.Eof do
    begin
        adotable1.edit;
        adotable1.FieldByName('序号').asinteger:=adotable1.RecNo;
        adotable1.post;
        adotable1.next;
    end;
    if adotable1.Eof then
    begin
        edit1.Text:='';
        edit2.Text:='';
        edit2.Enabled:=false;
        edit3.Text:='';
        edit3.Enabled:=false;
        edit4.Text:='';
        edit4.Enabled:=false;
        edit5.Text:='';
        edit5.Enabled:=false;
        bitbtn2.SetFocus;
    end
    else
    begin
        LoadFromTable;
        edit1.SetFocus;
    end;
end;

procedure TCardForm.BitBtn4Click(Sender: TObject);
begin
  adotable1.close;
  close;
end;

end.