如何按层次选择节点?
xml如下:
<root>
<group name="grind">
<item>deoce</item>
<group name="cehg">
<group name="hbc"/>
</group>
</group>
<group name="vodia">
<item>seccd</item>
</group>
<group name="hashk">
<item>oksnl</item>
</group>
</root>
如何按层次一层一层的取出group节点?请高手赐教!!!