iterator 탭 내부에 Struts2의 checkbox 탭을 사용합니다

코드

@Entity
public class Todo {

    @Id
    private long id;
    private boolean checked;
    private String content;
    private Date created;

    // getter/setter略
}

public class TodoAction extends ActionSupport {

    private List<Todo> todoList;
    private Collection<String> checkList;

    public List<Todo> getTodoList() { return todoList; }
    public void setTodoList(List<Todo> todoList) { this.todoList = todoList; }

    public Collection<String> getCheckList() { return checkList; }
    public void setCheckList(Collection<String> checkList) { this.checkList = checkList; }

    @Action("display")
    public String display() {

        User user = (User) session.get("user");
        userName = user.getName();

        TodoEjb ejb = new TodoEjb();
        todoList = ejb.findByUser(user);

        return SUCCESS;
    }

    @Action("update")
    public String update() {

        for (String check : checkList) {
            long id = Long.parseLong(check);
            for (Todo todo : todoList) {
                if (todo.getId() == id) {
                    todo.setChecked(true);
                    break;
                }
            }
        }

        TodoEjb ejb = new TodoEjb();
        ejb.update(todoList);

        return "update";
    }
}

<s:iterator value="todoList">
  <tr class="row">
    <td class="col-sm-1 text-center">
        <s:checkbox name="checkList" value="checked" fieldValue="%{id}" />
    </td>
    <td class="col-sm-9">
        <s:property value="content" />
    </td>
    <td class="col-sm-2 text-center">
        <s:date name="created" format="yyyy/MM/dd HH:mm" />
    </td>
  </tr>
</s:iterator>                                                                                           

실행 결과

<tr class="row">
  <td class="col-sm-1 text-center">
      <input type="checkbox" name="checkList" value="0" checked="checked" id="update_checkList"/>
      <input type="hidden" id="__checkbox_update_checkList" name="__checkbox_checkList" value="0" />
  </td>
  <td class="col-sm-9">あれをやる</td>
  <td class="col-sm-2 text-center">2015/04/23 15:58</td>
</tr>
<tr class="row">
  <td class="col-sm-1 text-center">
      <input type="checkbox" name="checkList" value="1" id="update_checkList"/>
      <input type="hidden" id="__checkbox_update_checkList" name="__checkbox_checkList" value="1" />
  </td>
  <td class="col-sm-9">あれとあれをやる</td>
  <td class="col-sm-2 text-center">2015/04/23 13:49</td>
</tr>

<s:checkbox> 탭 속성

value

fieldValue

name

<s:checkbox value="true" fieldValue="1" name="checkList" />
<s:checkbox value="false" fieldValue="2" name="checkList" />
<s:checkbox value="true" fieldValue="3" name="checkList" />

<input type="checkbox" name="checkList" value="1" checked="checked" />
<input type="checkbox" name="checkList" value="2" />
<input type="checkbox" name="checkList" value="3" checked="checked" />

checkList = ["1", "3"]