grid

参考示例：多选树：CheckBoxTree

创建代码           

<ul id="tree2" class="mini-tree" url="../data/tree.txt" style="width:300px;" 
    showTreeIcon="true" textField="text" idField="id" showCheckBox="true"
    onbeforenodecheck="onBeforeNodeCheck" checkRecursive="true" allowSelect="false" enableHotTrack="false">        
</ul>                       

• showCheckBox：显示树形的checkbox
               
• checkRecursive：决定是否联动选择
                    

设置多选

tree.setValue("forms,button,lists");

获取多选

var value = tree.getValue();
alert(value);