easyui Tree

public class TreeObj
{
	private String name;
	private String url;
	private List<TreeObj> children = new ArrayList<TreeObj>();
}

<li><c:if test="${not empty tree.url}">
		<a href="javascript:void(0);"
			onclick="menuClick(‘${tree.url}‘)"> <span>${tree.name}</span></a>
	</c:if> <c:if test="${empty tree.url}">
		<span>${tree.name}</span>
	</c:if> <c:if test="${not empty tree.children}">
		<ul>
			<c:forEach var="tree" items="${tree.children}">
				<c:set var="tree" value="${tree}" scope="request" />
				<jsp:include page="tree.jsp" />
			</c:forEach>
		</ul>
	</c:if></li>

<div class="easyui-panel" style="padding: 5px">
	<ul id="easyui_tree" class="easyui-tree"
		data-options="
                animate: true,
                onContextMenu: function(e,node){
                    e.preventDefault();
                    $(this).tree(‘select‘,node.target);
                    $(‘#easyui_tree_menu‘).menu(‘show‘,{
                        left: e.pageX,
                        top: e.pageY
                    });
                }
            ">
		<!-- 树按钮 -->
		<c:import url="../tree.jsp"></c:import>
	</ul>
</div>

<div id="easyui_tree_menu" class="easyui-menu" style="width: 120px;">
	<div onclick="append()" data-options="iconCls:‘icon-add‘">新增</div>
	<div onclick="removeit()" data-options="iconCls:‘icon-remove‘">移除</div>
	<div class="menu-sep"></div>
	<div onclick="expand()">展开</div>
	<div onclick="collapse()">收缩</div>
</div>