HTML

    <div size="240" showCollapseButton="true">
        <div class="mini-panel" title="业务地区查询" iconCls="icon-add" style="width:100%;height:100%;" showToolbar="false" showFooter="true">
            
            <div class="mini-toolbar" style="text-align:center;line-height:30px;" borderStyle="border-left:0;border-top:0;border-right:0;">
                  <label >名称：</label>
                  <input id="key" class="mini-textbox" style="width:100px;" onenter="onKeyEnter"/>
                  <a class="mini-button" style="width:60px;" onclick="searchTree()">查询</a>
            </div>
            <div class="mini-fit">
                <ul id="tree1" class="mini-tree" style="width:100%;height:100%;" dataField="areas" showTreeIcon="true" textField="name" 
                       idField="id" parentField="parentId" resultAsTree="false"  url="/area.do?method=paramListByParentIdAndId"
                    contextMenu="#treeMenu" expandOnLoad="0">
                </ul>
                <ul id="treeMenu" class="mini-contextmenu"  onbeforeopen="onBeforeOpen">        
                    <li  iconCls="icon-add" onclick="addNode()">新增节点</li>
                    <li iconCls="icon-edit"  onclick="editNode()">编辑节点</li>
                    <li  iconCls="icon-remove" onclick="removeNode()">禁用</li>        
                </ul>
            </div>
         </div>    
     </div>    

JS

tree.on("nodeselect", function (e) {
    var node = e.node;
    var isLeaf = e.isLeaf;
    if (isLeaf) {
        showTab(node);
    }else{
         var thisnode = tree.getSelectedNode();
         var parentId = thisnode.id
         grid.load({parentId: parentId});
    }
});

function searchTree() {
 
    var key = mini.get("key").getValue();
    if(key == ""){
         tree.clearFilter();
         tree.collapseAll ();
    }else{
        key = key.toLowerCase();
        tree.filter(function (node) {
            var text = node.name ? node.name.toLowerCase() : "";
            tree.expandAll ();
            if (text.indexOf(key) != -1) {
                return true;
            }
        });
    }
}

controller

/**
     * @title 地区树列表数据
     * @author wangyu
     * @data 2017-03-10
     */

    public ModelAndView paramListByParentIdAndId(HttpServletRequest request,
            HttpServletResponse response) {
        List<Area> list = areaManager.getParamListByParentIdAndId();
        this.renderText(response, JSONArray.fromObject(list).toString());
        return null;
    }

manager

    /**
     * 取对应的对象
     * 
     * @return
     */
    public List<Area> getParamListByParentIdAndId() {
        Criteria criteria = this.getCriteria();
        return criteria.list();
    }