frm_drinku.~pas

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unit frm_drinkU;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, frm_infoU, DB, StdCtrls, Grids, DBGrids,Control_drinkU,ClassesU;

type
  Tfrm_drink = class(Tfrm_info)
    Label1: TLabel;
    edt_name: TEdit;
    Label2: TLabel;
    edt_unit: TEdit;
    Label3: TLabel;
    edt_cost: TEdit;
    Label4: TLabel;
    edt_sell: TEdit;
    Label5: TLabel;
    Memo_remark: TMemo;
    procedure FormShow(Sender: TObject);
    procedure btn_addClick(Sender: TObject);
    procedure btn_delClick(Sender: TObject);
    procedure btn_editClick(Sender: TObject);
    procedure DBGrid_infoCellClick(Column: TColumn);
    procedure edt_costKeyPress(Sender: TObject; var Key: Char);
    procedure edt_sellKeyPress(Sender: TObject; var Key: Char);
  private
    { Private declarations }
  public
    procedure FillData;//表格里填充数据
  end;

var
  frm_drink: Tfrm_drink;

implementation

{$R *.dfm}
procedure Tfrm_drink.FillData;
begin
  DataSource_info.DataSet:=Control_drinkU.GetdrinkArray;
  self.DBGrid_info.Columns[0].Visible  :=false;
end;
procedure Tfrm_drink.FormShow(Sender: TObject);
begin
  inherited;
FillData;
end;

procedure Tfrm_drink.btn_addClick(Sender: TObject);
var
  drink:Tdrink;
begin
  inherited;
 if((edt_name.Text='') or (edt_unit.Text='') or (edt_cost.Text='')
        or (edt_sell.Text='')) then
        begin
           MessageBox(Handle, '内容填写不正确！', '信息', MB_ICONEXCLAMATION);
           exit;
        end;
       //查找是否存在重复
      if (GetdrinkBydrinkID(trim(edt_name.Text)))<>nil then
        begin
          MessageBox(Handle, '菜谱已经存在,请重新设置！', '信息', MB_ICONEXCLAMATION);
          exit;
        end;
      drink:=Tdrink.Create;
      drink.id:=edt_name.Tag;
      drink.drinkName:=trim(self.edt_name.Text);
      drink.units:=self.edt_unit.Text;
      drink.cost:=strtofloat(self.edt_cost.Text);
      drink.sell:=strtofloat(self.edt_sell.Text);
      drink.remark:=self.Memo_remark.Text;
      
      if(Control_drinkU.Adddrink(drink)) then
        begin
          MessageBox(Handle, '添加成功！', '信息', MB_ICONASTERISK);

          //刷新内容
          FillData;
        end
      else
        begin
          MessageBox(Handle, '添加失败！', '信息', MB_ICONEXCLAMATION);
          exit;
        end;
end;

procedure Tfrm_drink.btn_delClick(Sender: TObject);
begin
  inherited;
if MessageBox(Handle, '您确定要删除该酒水信息', '信息',
     MB_ICONQUESTION or MB_OKCANCEL) = IDOK then
    begin
      Control_drinkU.Deldrink(self.edt_name.Tag);
      FillData;
      if self.DBGrid_info.Fields[0].IsNull then
        exit;
      self.edt_name.Tag:=self.DBGrid_info.Fields[0].Value;//保存id
      self.edt_name.Text:=self.DBGrid_info.Fields[1].Value;
      self.edt_unit.Text:=self.DBGrid_info.Fields[2].Value;
      self.edt_cost.Text:=floattostr(self.DBGrid_info.Fields[3].Value);
      self.edt_sell.Text:=floattostr(self.DBGrid_info.Fields[4].Value);
      self.Memo_remark.Text:=self.DBGrid_info.Fields[5].Value;
    end;
end;

procedure Tfrm_drink.btn_editClick(Sender: TObject);
var
  drink:Tdrink;
begin
  inherited;
 if edt_name.Text ='' then
    begin
       MessageBox(Handle, '没有可以修改的数据！', '信息', MB_ICONEXCLAMATION);
      exit;
    end
  else
    begin
      if((edt_name.Text='') or (edt_unit.Text='') or (edt_cost.Text='')
        or (edt_sell.Text='')) then
        begin
           MessageBox(Handle, '内容填写不正确！', '信息', MB_ICONEXCLAMATION);
           exit;
        end;
      //查找是否存在重复
      drink:=Tdrink.Create;
      drink:=GetdrinkBydrinkID(trim(edt_name.Text));
      //查找是否存在重复
      if (drink <> nil) and (drink.id <>self.edt_name.Tag) then
        begin
          MessageBox(Handle, '酒水已经存在,请重新设置！', '信息', MB_ICONEXCLAMATION);
          exit;
        end;
      drink:=Tdrink.Create;
      drink.id:=edt_name.Tag;
      drink.drinkName:=trim(self.edt_name.Text);
      drink.units:=self.edt_unit.Text;
      drink.cost:=strtofloat(self.edt_cost.Text);
      drink.sell:=strtofloat(self.edt_sell.Text);
      drink.remark:=self.Memo_remark.Text;
      if(Control_drinkU.Editdrink(drink)) then
        begin
          MessageBox(Handle, '修改成功！', '信息', MB_ICONASTERISK);
          //刷新内容
          FillData;
        end
      else
         begin
          MessageBox(Handle, '修改失败！', '信息', MB_ICONEXCLAMATION);
          exit;
         end;
          self.edt_name.SetFocus;
    end;
end;

procedure Tfrm_drink.DBGrid_infoCellClick(Column: TColumn);
begin
  inherited;
if self.DBGrid_info.Fields[0].IsNull then
    exit;
      self.edt_name.Tag:=self.DBGrid_info.Fields[0].Value;//保存id
      self.edt_name.Text:=self.DBGrid_info.Fields[1].Value;
      self.edt_unit.Text:=self.DBGrid_info.Fields[2].Value;
      self.edt_cost.Text:=floattostr(self.DBGrid_info.Fields[3].Value);
      self.edt_sell.Text:=floattostr(self.DBGrid_info.Fields[4].Value);
      self.Memo_remark.Text:=self.DBGrid_info.Fields[5].Value;
end;

procedure Tfrm_drink.edt_costKeyPress(Sender: TObject; var Key: Char);
begin
  inherited;
  if not((key in ['0'..'9',#8,#13,#46])) then
    key:=#0;
end;

procedure Tfrm_drink.edt_sellKeyPress(Sender: TObject; var Key: Char);
begin
  inherited;
  if not((key in ['0'..'9',#8,#13,#46])) then
    key:=#0;
end;

end.