unit6.~pas

材料管理系统

unit Unit6;

interface

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

type
  Tfrmduixiaodengji = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Edit1: TEdit;
    Label3: TLabel;
    Edit2: TEdit;
    Label4: TLabel;
    Edit3: TEdit;
    Label5: TLabel;
    Edit4: TEdit;
    Label6: TLabel;
    DateTimePicker1: TDateTimePicker;
    Label7: TLabel;
    Edit5: TEdit;
    Button1: TButton;
    Edit6: TEdit;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    function IsEmpty(const Scr:string): boolean;
  end;

var
  frmduixiaodengji: Tfrmduixiaodengji;

implementation

{$R *.dfm}
function TFrmduixiaodengji.IsEmpty(const Scr:string): boolean;
begin
  if trim(Scr)='' then
    Result := True
  else
    Result := False;
end;


procedure Tfrmduixiaodengji.FormCreate(Sender: TObject);
begin
  datetimepicker1.DateTime := date;
end;

procedure Tfrmduixiaodengji.Button1Click(Sender: TObject);
begin
  if IsEmpty(Edit6.Text)=True then
  begin
    application.MessageBox('材料名称不能为空！','提示',MB_OK OR MB_ICONERROR);
    exit;
  end;
  if IsEmpty(Edit6.Text)=True then
  begin
    application.MessageBox('材料名称不能为空！','提示',MB_OK OR MB_ICONERROR);
    exit;
  end;
  if IsEmpty(Edit1.Text)=True then
  begin
    application.MessageBox('材料名称不能为空！','提示',MB_OK OR MB_ICONERROR);
    exit;
  end;
  if IsEmpty(Edit2.Text)=True then
  begin
    application.MessageBox('材料名称不能为空！','提示',MB_OK OR MB_ICONERROR);
    exit;
  end;
  if IsEmpty(Edit3.Text)=True then
  begin
    application.MessageBox('数量不能为空！','提示',MB_OK OR MB_ICONERROR);
    exit;
  end;
  if IsEmpty(Edit4.Text)=True then
//  begin
//    application.MessageBox('材料名称不能为空！','提示',MB_OK OR MB_ICONERROR);
//    exit;
//  end;
end;

end.