volicity遍历map

<div clas="row">
                            <div class="form-group">
                                <div id="hidden_attrs_select">
                                    <label>hidden_attrs:</label>
                                    <table class="table table-striped table-bordered table-hover no-footer" role="grid"
                                           aria-describedby="dataTables-example_info">
                                        <thead>
                                        <tr role="row">
                                            <th>属性名</th>
                                            <th>属性值</th>
                                        </tr>
                                        </thead>
                                        <tbody>
                                            #foreach($data in $!result.get("hiddenAttrs").entrySet())
                                             <tr>
                                                   <td>
                                                       ${data.key}
                                                   </td>
                                                   <td>
                                                       ${data.value}
                                                   </td>
                                               </tr>
                                            #end
                                        </tbody>
                                    </table>
                                </div>
                            </div>
                        </div>