用js修改?我没试过
如果你是用asp的话可以参考一下set objXMLDOM=CreateObject("microsoft.xmldom")
objXMLDOM.async=false
objXMLDOM.load server.mappath("xmlfile.xml")
set rootNode=objXMLDOM.documentElementset ANode=objXMLDOM.createElement("id")
set newNodeA=objXMLDOM.createTextNode("1")
ANode.appendChild(newNodeA)
rootNode.appendChild(ANode)set TNode=objXMLDOM.createElement("name")
set newNodeT=objXMLDOM.createTextNode("tony")
TNode.appendChild(newNodeT)
rootNode.appendChild(TNode)objXMLDOM.save(server.mappath("xmlfile2.xml"))
xmlfile.xml
<root></root> xmlfile2.xml
<root><id>1</id><name>tony</name></root>