depoteditunit.pas

简单的进销存系统,包含登陆等界面,内容丰富,各种技巧,适合初学者

unit DepotEditUnit;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, DB, DBTables, StdCtrls, ExtCtrls, ComCtrls, ToolWin, ADODB,
  DBCtrls, Mask;


type
  TDepotEditForm = class(TForm)
    PanelBkGnd: TPanel;
    Panel_button: TPanel;
    Bevel_button: TBevel;
    OKBtn: TButton;
    CancelBtn: TButton;
    FlatPanel_edit: TPanel;
    LB_Name: TLabel;
    LB_ID: TLabel;
    LB_Memo: TLabel;
    ADOQuery_data: TADOQuery;
    E_Name: TDBEdit;
    E_ID: TDBEdit;
    E_memo: TDBEdit;
    procedure FormCreate(Sender: TObject);
    procedure OKBtnClick(Sender: TObject);
    procedure CancelBtnClick(Sender: TObject);
  private
    { Private declarations }
  public
    P_state: integer;
    { Public declarations }
  end;

var
  DepotEditForm: TDepotEditForm;

implementation
uses FunctionUnit, OperInfoUnit,DMUNIT,DepotInfoUnit;

{$R *.dfm}

procedure TDepotEditForm.FormCreate(Sender: TObject);
begin
self.Caption := '仓库信息';
   ADOQuery_data.Connection :=DM.ADOCon ;
  P_state := 1; //0-增加  1-修改
end;

procedure TDepotEditForm.OKBtnClick(Sender: TObject);
begin
  if trim(E_name.Text) = '' then
  begin
    messagedlg(Errormsg0002, mtError, [mbok], 0);
    E_name.SetFocus;
    exit;
  end;
  if trim(E_ID.Text) = '' then
  begin
    messagedlg(Errormsg0002, mtError, [mbok], 0);
    E_id.SetFocus;
    exit;
  end;
  if P_state = 0 then //增加数据
  begin
    with ADOQuery_data do
    begin
      close;
      sql.Clear;
      sql.Text := 'select * from depot where id="' + uppercase(E_id.Text) + '"';
      try
        open;
      except
        messagedlg(Errormsg0001 + '0010', mtError, [mbok], 0);
        close;
        self.Close;
      end;
      if RecordCount > 0 then //编号已存在
      begin
        messagedlg(Errormsg0003 + '0004', mtError, [mbok], 0);
        E_id.SetFocus;
        close;
        exit;
      end
      else //编号不存在则增加
      begin
         DepotInfoForm.ADOTable_DATA.Post;
         messagedlg('保存成功！', mtInformation, [mbok], 0);
         self.Close;
       end;
    end;
  end
  else if P_state = 1 then //修改数据
  begin
    DepotInfoForm.ADOTable_DATA.Post;
    messagedlg('保存成功！', mtInformation, [mbok], 0);
    self.Close;
  end;

   if P_state = 0 then //继续增加
  begin
    e_name.SetFocus;
    e_memo.Text := '';
  end
  else
    self.Close;

end;

procedure TDepotEditForm.CancelBtnClick(Sender: TObject);
begin
DepotInfoForm.ADOTable_DATA.Cancel;
  self.Close;
end;

end.