th:if="${demoEnabled}">
                    <a href="javascript:;"><i class="fa fa-desktop"></i><span class="nav-label">实例演示</span><span class="fa arrow"></span></a>
                    <ul class="nav nav-second-level collapse">
                        <li> <a>表单<span class="fa arrow"></span></a>
                            <ul class="nav nav-third-level">
								<li><a class="menuItem" th:href="@{/demo/form/button}">按钮</a></li>
								<li><a class="menuItem" th:href="@{/demo/form/gr