addstock.pas

物资管理系统

unit addStock;

interface

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

type
  TfrmAddStock = class(TForm)
    DBGrid1: TDBGrid;
    Query1: TQuery;
    DataSource1: TDataSource;
    Table1: TTable;
    Table2: TTable;
    GroupBox1: TGroupBox;
    Button1: TButton;
    money: TEdit;
    Button2: TButton;
    Button3: TButton;
    GroupBox2: TGroupBox;
    wzName: TComboBox;
    Label1: TLabel;
    Label2: TLabel;
    wzId: TEdit;
    num: TEdit;
    Label3: TLabel;
    units: TLabel;
    Label4: TLabel;
    dt: TDateTimePicker;
    procedure FormCreate(Sender: TObject);
    procedure wzNameSelect(Sender: TObject);
    procedure numExit(Sender: TObject);
    procedure moneyExit(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
    procedure refreshDbGrid;
  public
    { Public declarations }
  end;

var
  frmAddStock: TfrmAddStock;

implementation

{$R *.dfm}
uses comFunc;
procedure TfrmAddStock.FormCreate(Sender: TObject);
begin
   {初始化时间}
   dt.Date:=now;
   {初始化物资名称和物资编号以及单位}
   with table1 do
   begin
      open;
      while not eof do
      begin
         wzName.Items.Add(fieldByName('物资名称').AsString);
         next;
      end;
      wzName.ItemIndex:=0;
      first;
      wzId.Text:=fieldByName('物资编号').AsString;
      units.Caption:=fieldByName('单位').AsString;
      close;
   end;//end of with
   {初始化其他}
   num.Text:='';
   money.Text:='';
end;

procedure TfrmAddStock.wzNameSelect(Sender: TObject);
begin
   with table1 do
   begin
      open;
      while not eof do
      begin
         if fieldByName('物资名称').AsString=wzName.Items[wzName.ItemIndex] then
         begin
            wzId.Text:=fieldByName('物资编号').AsString;
            units.Caption:=fieldByName('单位').AsString;
            break;
         end;
         next;
      end;
      close;
   end;
end;

procedure TfrmAddStock.numExit(Sender: TObject);
begin
   if (isInteger(num.Text)=false) and
      (num.Text<>'') then
   begin
      showMessage('输入的数量有错误！');
      activeControl:=num;
   end;
end;

procedure TfrmAddStock.moneyExit(Sender: TObject);
begin
   money.Text:='';
end;

procedure TfrmAddStock.refreshDbGrid;
begin
   with query1 do
   begin
      close;
      sql.Clear;
      sql.Add('select a.物资编号,a.物资名称,b.入库数量,a.单价,a.单位,b.入库时间');
      sql.Add('from wzinfo as a,wzrk as b');
      sql.Add('where a.物资编号=b.物资编号');
      open;
   end;
end;

procedure TfrmAddStock.Button2Click(Sender: TObject);
begin
   {检查入库数量}
   if num.Text='' then
   begin
      showMessage('请输入入库数量！');
      activeControl:=num;
      exit;
   end;
   {修改库存数量}
   with table1 do
   begin
      open;
      while not eof do
      begin
         if fieldByName('物资编号').AsString=wzId.Text then
         begin
            edit;
            fieldValues['库存数量']:=strToInt(num.Text)+fieldByName('库存数量').AsInteger;
            post;
         end;
         next;
      end;
      close;
   end;
   {插入一条入库记录}
   with table2 do
   begin
      open;
      insert;
      fieldValues['物资编号']:=wzId.Text;
      fieldValues['入库数量']:=num.Text;
      fieldValues['入库时间']:=dt.Date;
      post;
      close;
      showMessage('入库成功！');
      refreshDbGrid;
   end;//end of with
end;

procedure TfrmAddStock.Button1Click(Sender: TObject);
begin
   {检查入库数量的合理性}
   if num.Text='' then
   begin
      showMessage('入库数量输入错误！');
   end;
   {根据入库数量核算采购这种物资的金额}
   with table1 do
   begin
      open;
      while not eof do
      begin
         if fieldByName('物资编号').AsString=wzId.Text then
         begin
            money.Text:='￥'+currtoStr(fieldByName('单价').AsCurrency*strToInt(num.Text));
            close;
            exit;
         end;
         next;
      end;
      close;
   end;
end;

end.