假设:xml文件格式如下
<path>
<Activities>
<Activity id="1" trip="haha">
</Activity>
<Activity id="2" trip="haha">
</Activity>
<Activity id="3" trip="haha">
</Activity>
</Activities>
</path>我想在 <Activity id="3" trip="haha"> 这个节点前面添加<Activity id="3" trip="hoho">的节点,请问怎么表达
<path>
<Activities>
<Activity id="1" trip="haha">
</Activity>
<Activity id="2" trip="haha">
</Activity>
<Activity id="3" trip="haha">
</Activity>
</Activities>
</path>我想在 <Activity id="3" trip="haha"> 这个节点前面添加<Activity id="3" trip="hoho">的节点,请问怎么表达
newNode.id="3";
newNode.trip="hoho";x=xmlDoc.documentElement;
y=xmlDoc.getElementsByTagName("Activity")[3];x.insertBefore(newNode,y);