@NotEmpty(message = "请选择兴趣爱好")

	private String[] hobbies;

	final static Map<String,String>SELECT_HOBBIES =Collections.unmodifiableMap(new LinkedHashMap<String,String>(){

		private static final long serialVersionUID = 1L;

		{

			put("打球","打球");

			put("听歌","听歌");

			put("玩游戏","玩游戏");

			put("写代码","写代码");

			put("吃烧烤","吃烧烤");

		}

	});

	@GetMapping("/adduser")

	public String showAddUserForm(Model model) {

		User user = new User();

		user.setId(userDao.getMaxId());

		model.addAttribute("user", user);

		model.addAttribute("selectItems", SELECT_HOMETOWN);//通过此行设置信息到视图层

		return "add-user";

	}　

	 <select th:field="*{hobbies}" multiple="multiple" size="3" class="form-control">

		<option th:each="item : ${multipleItems}" th:value="${item.value}"	th:text="${item.key}" />

	 </select>

<td><p th:each="h:*{user.hobbies}" th:text="${h}"></p></td>