只需检查对象是否不是
null：
private static String getTagValue(String tag, Element eElement) { NodeList nlList = eElement.getElementsByTagName(tag).item(0).getChildNodes(); Node nValue = (Node) nlList.item(0); if(nValue == null) return null; return nValue.getNodevalue();}String salary = getTagValue("Department", eElement);if(salary != null) { System.out.println("Salary : " + getTagValue("Department", eElement));}
