XML文件包含Employee(具有empID,empName,empCode)。在某些情况下,empCode缺失。DOM - XML文档中缺少元素
<Employee><Detail><empID>1</empID><empName>Abhi</empName><empCode>One</empCode>
</Detail>
<Detail><empID>2</empID><empName>Amit</empName>
</Detail>
</Employee>
我收到空指针异常,同时呼吁“empCode”,因为没有可用的XML名称标签getTagValue()方法。
Java代码:
尝试 { 文件XMLFILE =新的文件( “New.xml”);
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.parse(xmlFile);
doc.getDocumentElement().normalize();
NodeList nList = doc.getElementsByTagName("Detail");
for (int temp = 0; temp < nList.getLength(); temp++)
{
Node nNode = nList.item(temp);
if (nNode.getNodeType() == Node.ELEMENT_NODE)
{
Element eElement = (Element) nNode;
EmpDetail empInfo = new EmpDetail();
empInfo.SetEmpID(getTagValue("empID", eElement));
empInfo.SetEmpName(getTagValue("empName",eElement));
empInfo.SetEmpCode(getTagValue("empCode",eElement));
DBConnector.SaveinDB(empInfo);
}
}
}
catch (Exception e)
{
System.out.println("Error: ");
e.printStackTrace();
}
}
private static String getTagValue(String sTag, Element eElement)
{
NodeList nlList = eElement.getElementsByTagName(sTag).item(0).getChildNodes();
Node nValue = (Node) nlList.item(0);
if(nValue == null)
return null;
return insertEscapeSequance(nValue.getNodeValue());
}
private static String insertEscapeSequance(String str)
{
String returnstr = "";
String[] strarr = str.split("'");
returnstr = strarr[0];
for(int i=1;i<strarr.length;i++)
{
returnstr = returnstr + "\\'" + strarr[i];
}
return returnstr;
}
现在我想将XML数据保存到SQL这样的:
1 ABHI一个 2阿米特空
我试过很多的联系,但没有成功。有人可以帮我
嗨罗宾,我仍面临着同样的问题 – abhinav44 2014-11-02 15:42:19