怎么样把以下XML文件
<?xml version="1.0" encoding="utf-8"?>
<usertable>
<username>a</username>
<possword>a</possword>
<power>ok</power>
</usertable>转换成 TREEVIEW控件所用的节点类型
<TREENODES>
<treenode>
...............
</treenode>
</TREENODES>xslt怎么写求救啊
<?xml version="1.0" encoding="utf-8"?>
<usertable>
<username>a</username>
<possword>a</possword>
<power>ok</power>
</usertable>转换成 TREEVIEW控件所用的节点类型
<TREENODES>
<treenode>
...............
</treenode>
</TREENODES>xslt怎么写求救啊
答出来再加