querysckctjunit.pas

一个用delphi 开发的商场销售系统 涵盖很多功能

unit QuerysckctjUnit;

interface

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

type
  TQuerysckctjForm = class(TQueryBassForm)
    CB_Type: TComboBox;
    Label5: TLabel;
    procedure FormCreate(Sender: TObject);
    procedure CB_GoodsChange(Sender: TObject);
    procedure SB_queryClick(Sender: TObject);
    procedure CB_TypeChange(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure SB_printClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  QuerysckctjForm: TQuerysckctjForm;

implementation

uses FunctionUnit, MainUnit, PrintkctjUnit, PrintBassUnit;

{$R *.dfm}

procedure TQuerysckctjForm.FormCreate(Sender: TObject);
var
  B_find: Boolean;
  I_temp: integer;
begin
  inherited;
  self.Caption := '库存商品统计';
  with query_temp do
  begin
    close;
    sql.Clear;
    sql.Text := 'select name from depot';
    open;
    CB_depot.Items.Clear;
    CB_depot.Style := csDropDownList;
    CB_depot.Items.add('所有');
    while not eof do
    begin
      CB_depot.Items.add(fieldbyname('name').asstring);
      next;
    end;
    close;
    sql.Clear;
    sql.text := 'select * from goods order by name';
    open;
    CB_goods.Items.Clear;
    CB_goods.Style := csDropDownList;
    CB_goods.Items.add('所有');
    while not eof do
    begin
      B_find := false;
      for I_temp := 0 to CB_goods.items.Count - 1 do
      begin
        if CB_goods.Items[I_temp] = fieldbyname('name').asstring then
          B_find := true; //找到相同名称
      end;
      if not B_find then //没有找到时增加
        CB_goods.Items.add(fieldbyname('name').asstring);
      next;
    end;
    close;
  end;
end;

procedure TQuerysckctjForm.CB_GoodsChange(Sender: TObject);
begin
  inherited;
  with query_temp do
  begin
    close;
    sql.Clear;
    sql.text := 'select * from goods where name="' + cb_goods.Text + '" order by type ';
    open;
    cb_type.Items.Clear;
    cb_type.Style := csDropDownList;
    cb_type.Items.add('所有');
    while not eof do
    begin
      cb_type.Items.add(fieldbyname('type').asstring);
      next;
    end;
    close;
  end;
  CB_typeChange(sender);
end;

procedure TQuerysckctjForm.SB_queryClick(Sender: TObject);
var
  S_depotname, S_goodsname, S_type: string;
begin
  inherited;
  if not Checkrights(USERRIGHTS, '查看') then
  begin
    messagedlg(Errormsg0006 + '0007', mterror, [mbok], 0);
    exit;
  end;
  S_depotname := cb_depot.Text;
  S_goodsname := cb_goods.Text;
  S_type := cb_type.Text;
  if (S_depotname = '') or (S_depotname = '所有') then
    S_depotname := '%';
  if (S_goodsname = '') or (S_goodsname = '所有') then
    S_goodsname := '%';
  if (S_type = '') or (S_type = '所有') then
    S_type := '%';

  with query_data do
  begin
    close;
    sql.Clear;
    sql.Text := 'SELECT Depot.NAME Depotname, goods.NAME goodsname, goods.TYPE,'
      + ' goods.UNIT, SUM( Storagerecord.NUMBER ) NUMBER, SUM(  Storagerecord.PRICE * Storagerecord.NUMBER  ) PRICE'
      + ' FROM Storagerecord INNER JOIN Depot'
      + ' ON  (Storagerecord.DEPOTID = Depot.ID) INNER JOIN goods'
      + ' ON  (Storagerecord.GOODSID = goods.ID)'
      + ' where depot.name like "' + S_depotname + '" and goods.name like "'
      + S_goodsname + '" and goods.type like "' + S_type + '"'
      + '  GROUP BY goods.NAME,'
      + ' goods.UNIT, goods.TYPE, Depot.NAME'
      + ' ORDER BY Depot.NAME';
    try
      open;
    except
      messagedlg(Errormsg0001 + '0019', mtError, [mbok], 0);
      close;
    end;
  end;
end;

procedure TQuerysckctjForm.CB_TypeChange(Sender: TObject);
begin
  query_data.Close;
  sb_query.Enabled := true;
end;

procedure TQuerysckctjForm.FormShow(Sender: TObject);
begin
  inherited;
  SB_query.Click;
end;

procedure TQuerysckctjForm.SB_printClick(Sender: TObject);
begin
  inherited;
  try
    Application.CreateForm(TPrintkctjForm, PrintkctjForm);
    Application.CreateForm(TprintBassForm, printBassForm);
  except
    messagedlg(Errormsg0011, mtError, [mbok], 0);
    exit;
  end;
  PrintkctjForm.QuickRep_kcsptj.preview;
  PrintkctjForm.Free;
  printBassForm.Free;
end;

end.