jquery easyui中treegrid用法的简单实例

<table class="easyui-treegrid" style="width:700px;height:250px"  url='control_node_json?group_id=$info[id]&access_node=$_REQUEST[access_node]"' idField="id" treeField="title" fit="true" toolbar="#control_node_toolbar_{$info[id]}">
        <thead>  
          <tr>
            <th field="title" width="200px" data-options="formatter:title_formatter">名称</th>
            <th field="name" width="200px">节点</th>
            <th field="status" width="50px">状态</th>
            <th field="remark">备注</th>
          </tr>
          <thead>  
        </table>
        <div id="control_node_toolbar_{$info[id]}">
            <a href="javascript:alert('test');" class="easyui-linkbutton" iconCls="icon-add" plain="true">控制</a>
        </div>

//对名称列数据进行格式华
var access_node='{$_REQUEST[access_node]}'.split(',');
function title_formatter(value,node){ 
 var content='<input name="set_power" id="set_power_'+node.id+'" onclick="set_power_status('+node.id+')" class="set_power_status" type="checkbox" value="'+node.id+'" />'+value;
 return content;
}
function set_power_status(menu_id){
 alert('要调用的函数和操作方法写这里');
}