(no version information, might be only in CVS)
XMLReader->getAttributeNS() -- Get the value of an attribute by localname and URI
说明
class 
XMLReader { 
string 
getAttributeNS ( string localName, string namespaceURI )
}
   Returns the value of an attribute by name and namespace URI or an empty 
   string if attribute does not exist or not positioned on an element node.