我有一個在java中迭代xml的問題。我有一個根節點作爲元素,裏面的元素標籤有兩個子節點,但我得到的節點長度爲1.可以任何一個指南我如何糾正它。我在下面提到了我的代碼。在遍歷Java中的XML節點的問題
import java.io.StringReader;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.CharacterData;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
public class Test {
public static void main(String arg[]) throws Exception{
String xmlRecords = "<data><employee><name>A</name><title>Manager</title><name>B</name><title>Manager</title></employee></data>";
DocumentBuilder db = DocumentBuilderFactory.newInstance().newDocumentBuilder();
InputSource is = new InputSource();
is.setCharacterStream(new StringReader(xmlRecords));
Document doc = db.parse(is);
NodeList nodes = doc.getElementsByTagName("employee");
for (int i = 0; i < nodes.getLength(); i++) {
Element element = (Element) nodes.item(i);
NodeList name = element.getElementsByTagName("name");
Element line = (Element) name.item(i);
System.out.println("Name: " + getCharacterDataFromElement(line));
NodeList title = element.getElementsByTagName("title");
line = (Element) title.item(i);
System.out.println("Title: " + getCharacterDataFromElement(line));
}
}
public static String getCharacterDataFromElement(Element e) {
Node child = e.getFirstChild();
if (child instanceof CharacterData) {
CharacterData cd = (CharacterData) child;
return cd.getData();
}
return "";
}
}
結果:
Name: A
Title: Manager
預期輸出:
Name: A
Title: Manager
Name: B
Title: Manager