HorizontalLayoutContainer form=new HorizontalLayoutContainer();
form.add(new FieldLabel(date,"日期"),new HorizontalLayoutData());
form.add(submit,new HorizontalLayoutData());
container.add(form,new VerticalLayoutData(1,30));
container.addAttachHandler(new Handler() {
public void onAttachOrDetach(AttachEvent event) {
submit.fireEvent(new SelectEvent());
}
});
}