spzl_find_unit.pas

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unit spzl_find_unit;

interface

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

type
  Tspzl_find_form = class(TForm)
    GroupBox1: TGroupBox;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    ComboBox1: TComboBox;
    ComboBox2: TComboBox;
    Edit1: TEdit;
    procedure SpeedButton1Click(Sender: TObject);
    procedure Edit1KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  spzl_find_form: Tspzl_find_form;

implementation

uses spzl_unit, data_unit, dw_unit;

{$R *.dfm}

procedure Tspzl_find_form.SpeedButton1Click(Sender: TObject);
begin
  with database do
  begin
    adoq3.Connection := adoc;
    adoq3.SQL.Clear;
    case combobox1.ItemIndex of
      0:
        begin
          case combobox2.ItemIndex of
            0:
              begin
                adoq3.SQL.Add('select * from spzl where 商品编码=:spbm');
                adoq3.Parameters.ParamByName('spbm').Value := edit1.Text;
              end;
            1:
              begin
                adoq3.SQL.Add('select * from spzl where 商品编码 like :spbm2');
                adoq3.Parameters.ParamByName('spbm2').Value := edit1.Text + '%';
              end;
          end;
        end;
      1:
        begin
          case combobox2.ItemIndex of
            0:
              begin
                adoq3.SQL.Add('select * from spzl where 商品名称=:mc');
                adoq3.Parameters.ParamByName('mc').Value := edit1.Text;
              end;
            1:
              begin
                adoq3.SQL.Add('select * from spzl where 商品名称 like :mc2');
                adoq3.Parameters.ParamByName('mc2').Value := edit1.Text + '%';
              end;
          end;
        end;
      2:
        begin
          case combobox2.ItemIndex of
            0:
              begin
                adoq3.SQL.Add('select * from spzl where 拼音简码=:jm');
                adoq3.Parameters.ParamByName('jm').Value := edit1.Text;
              end;
            1:
              begin
                adoq3.SQL.Add('select * from spzl where 拼音简码 like :jm2');
                adoq3.Parameters.ParamByName('jm2').Value := edit1.Text + '%';
              end;
          end;
        end
    else
      begin
        adoq3.SQL.Clear;
        adoq3.SQL.Add('select * from spzl order by 商品编码');
      end;
    end;
    adoq3.Active := true;
    if adoq3.Recordset.RecordCount > 0 then
    begin
      datas2.DataSet := nil;
      datas2.DataSet := adoq3;
      self.Hide;
      spzl_form.DBGrid1.DataSource := datas2;
      spzl_form.statusbar1.Panels[1].Text := inttostr(adoq3.Recordset.RecordCount);
    end
    else
    begin
      showmessage('无此记录!');
    end;
  end;

end;

procedure Tspzl_find_form.Edit1KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if key = vk_return then
    speedbutton1click(nil);
end;

procedure Tspzl_find_form.FormCreate(Sender: TObject);
begin
  self.Height := 147;
  self.Top := 110;
  self.Left := 221;
  self.Width := 339;
end;

end.


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