cai_pi.~pas

采购管理系统：delphi+sql实现了企业采购自动化作业流程

unit cai_pi;

interface

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

type
  TForm1 = class(TForm)
    DBGrid1: TDBGrid;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Query1: TQuery;
    DataSource1: TDataSource;
    Table1: TTable;
    procedure Button3Click(Sender: TObject);
    procedure FormCreate(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
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button3Click(Sender: TObject);
begin
close;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
query1.Active:=false;
query1.SQL.Clear;
query1.SQL.Add('select ding_gou_no from ding_gou_zhu where yes_or_no=:oo');
query1.ParamByName('oo').AsString:='