正在阅读：Java、XML与数据库编程实践(二)Java、XML与数据库编程实践(二)

    {

            String returnString = "";

            if(node != null)

            {

                NodeList children = node.getChildNodes();

                for(int innerLoop = 0; innerLoop < children.getLength(); innerLoop++)

                {

                    Node child = children.item(innerLoop);

                    if(child == null || child.getNodeName() == null || !child.getNodeName().equals(subTagName))

                        continue;

                    Node grandChild = child.getFirstChild(); 

                    if(grandChild.getNodeValue() != null)

                        return grandChild.getNodeValue();

                }

            }

            return returnString;      

    }  
}