使用Spring Web-flow并尝试使用Spring AjaxEventDecoration来启动转换

Question

我正在使用Spring Web-flow并尝试使用Spring AjaxEventDecoration来启动转换。但是这个代码没有运行

<tr>
            <td><label>Borough</label></td>
            <td><select id="borough" name="borough">
                <option value="UNKNOWN">Unknown</option>
                <option value="X">Bronx</option>
                <option value="K">Brooklyn</option>
                <option value="M">Manhattan</option>
                <option value="Q">Queens</option>
                <option value="R">Staten Island</option>
                <option value="O">All Other Schools</option>
            </select>

<script type="text/javascript" src='<c:url value="/resources/spring/Spring.js" />'> </script>


            <script type="text/javascript">
                    Spring.addDecoration(new Spring.AjaxEventDecoration({
                        elementId : "borough",
                        formId : "member",
                        event : "onChange",
                        params : {
                            _eventId : "loadSchools",
                            fragments : "body"
                        }
                    }));
                </script>


            </td>
        </tr>