import org.apache.wicket.extensions.markup.html.form.select.Select; //导入依赖的package包/类
private void setupRoleSelect() {

		// TODO is there a commons api that offers such conversation?
		Role[] roleValues = Role.values();
		List<Role> roles = new ArrayList<>();
		for (int i = 0; i < roleValues.length; i++) {
			roles.add(roleValues[i]);
		}

		Select<Role> roleSelect = new Select<>("role-select",
				new PropertyModel<Role>(this, "_defaultRole"));

		roleSelect.add(new ListView<Role>("role-options", roles) {

			@Override
			protected void populateItem(ListItem<Role> item) {
				item.add(new RoleSelectOption("role-option", item
						.getModelObject()));
			}

		});

		add(roleSelect);
	}
 

import org.apache.wicket.extensions.markup.html.form.select.Select; //导入依赖的package包/类
public ExampleForm(String name, ValidatorPage page) {
	super(name);
	this.page = page;
	setMultiPart(true);
	select = new Select<String>("exampleSelect", new PropertyModel<String>(this, "selected"));
	select.add(new SelectOption<String>("example1", new Model<String>("example1")));
	select.add(new SelectOption<String>("example2", new Model<String>("example2")));
	select.add(new SelectOption<String>("example3", new Model<String>("example3")));
	add(select);
}
 

import org.apache.wicket.extensions.markup.html.form.select.Select; //导入依赖的package包/类
/**
 * @param id
 * @param label see {@link FormComponent#setLabel(IModel)}
 * @param select
 */
public SelectPanel(final String id, final Select<T> select)
{
  super(id);
  this.select = select;
  add(select);
  setRenderBodyOnly(true);
}
 

import org.apache.wicket.extensions.markup.html.form.select.Select; //导入依赖的package包/类
/**
 * @param id
 * @param select
 * @return The created SelectPanel.
 * @see SelectPanel#SelectPanel(String, Select)
 */
public <C> SelectPanel<C> add(final Select<C> select)
{

  final SelectPanel<C> selectPanel = new SelectPanel<C>(newChildId(), select);
  add(selectPanel);
  return selectPanel;
}
 

import org.apache.wicket.extensions.markup.html.form.select.Select; //导入依赖的package包/类
public Select<T> getSelect()
{
  return select;
}