select_goods.pas

汽车维修系统的设计

unit select_goods;

interface

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

type
  Tselectgoodsfrm = class(TForm)
    DataSource1: TDataSource;
    ADOQuery1: TADOQuery;
    GroupBox1: TGroupBox;
    DBGrid1: TDBGrid;
    GroupBox2: TGroupBox;
    GroupBox3: TGroupBox;
    GroupBox4: TGroupBox;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    RadioButton1: TRadioButton;
    RadioButton2: TRadioButton;
    Label1: TLabel;
    Edit1: TEdit;
    RadioButton3: TRadioButton;
    Edit2: TEdit;
    procedure BitBtn2Click(Sender: TObject);
    procedure Edit1Change(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure Edit2Change(Sender: TObject);
    Function isReaptSelect():Boolean;  //是否重复选择
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  selectgoodsfrm: Tselectgoodsfrm;
  N:Integer;//当前行
implementation

uses Stock_u;

{$R *.dfm}

procedure Tselectgoodsfrm.BitBtn2Click(Sender: TObject);
begin
  if N>2 then
     Stockfrm.stringgrid1.RowCount:=Stockfrm.stringgrid1.RowCount-1;
  close;
end;

procedure Tselectgoodsfrm.Edit1Change(Sender: TObject);
var
   mySQL:string;
begin
   if RadioButton1.Checked then
      MySQL:='select * from goodsinf where goodscode like '''+trim(edit1.text)+'%''';

   if RadioButton2.Checked then
      MySQL:='select * from goodsinf where goodsName like '''+trim(edit1.text)+'%''';

   if RadioButton3.Checked then
      MySQL:='select * from goodsinf where PYcode like '''+trim(edit1.text)+'%''';

   with ADOQuery1 do
       begin
           close;
           sql.Clear ;
           sql.Add(MySQL);
           open;
       end;
end;

procedure Tselectgoodsfrm.BitBtn1Click(Sender: TObject);
begin
  if (not ADOQuery1.Active) or(ADOQuery1.RecordCount <=0) then
     begin
         application.MessageBox('没有数据可选择！','提示',mb_ok+mb_IconExclamation);
         exit;
     end;
  if isReaptSelect then
     begin
         application.MessageBox('该物品您已经选择！','提示',mb_ok+mb_IconExclamation);
         exit;
     end;
  Stockfrm.stringgrid1.Cells[1,N-1]:=trim(Adoquery1.FieldByName('goodscode').Asstring) ;
  Stockfrm.stringgrid1.Cells[2,N-1]:=trim(Adoquery1.FieldByName('goodsname').Asstring) ;
  Stockfrm.stringgrid1.Cells[3,N-1]:=trim(Adoquery1.FieldByName('goodstype').Asstring) ;
  Stockfrm.stringgrid1.Cells[4,N-1]:=trim(Adoquery1.FieldByName('goodsUnit').Asstring) ;
  Stockfrm.stringgrid1.Cells[5,N-1]:='1' ;  //数量
  Stockfrm.stringgrid1.Cells[6,N-1]:=Adoquery1.FieldByName('进货价').AsString  ;
  Stockfrm.stringgrid1.Cells[7,N-1]:=Adoquery1.FieldByName('进货价').AsString  ;
  Stockfrm.Edit6.Text :=IntToStr(N-1);
  close;
end;

Function Tselectgoodsfrm.isReaptSelect():Boolean;  //是否重复选择
var
  nRow,i:Integer;
begin
  nRow:=Stockfrm.stringgrid1.RowCount ; //行数
  for i:=1 to nRow-1 do
      if Stockfrm.stringgrid1.Cells[1,i]=Adoquery1.FieldByName('goodscode').Asstring then
         begin
             result:=true;
             break;
         end
      else
         result:=False;

end;

procedure Tselectgoodsfrm.Edit2Change(Sender: TObject);
begin
   N:=StrToInt(Edit2.Text) ;
end;

end.