http://www.cnblogs.com/wangchenyang/archive/2011/08/23/2150530.html
package
com.test.xml;
import
java.io.FileNotFoundException;
import
java.io.FileOutputStream;
import
java.io.IOException;
import
java.io.PrintWriter;
import
javax.xml.parsers.DocumentBuilder;
import
javax.xml.parsers.DocumentBuilderFactory;
import
javax.xml.parsers.ParserConfigurationException;
import
javax.xml.transform.OutputKeys;
import
javax.xml.transform.Transformer;
import
javax.xml.transform.TransformerConfigurationException;
import
javax.xml.transform.TransformerException;
import
javax.xml.transform.TransformerFactory;
import
javax.xml.transform.dom.DOMSource;
import
javax.xml.transform.stream.StreamResult;
import
org.w3c.dom.Document;
import
org.w3c.dom.Element;
import
org.w3c.dom.Node;
import
org.w3c.dom.NodeList;
import
org.xml.sax.SAXException;
public
class
XmlImpl
implements
XmlInterface{
private
Document document;
public
void
init() {
try
{
DocumentBuilderFactory factory = DocumentBuilderFactory
.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
this
.document = builder.newDocument();
}
catch
(ParserConfigurationException e) {
System.out.println(e.getMessage());
}
}
public
void
createXml(String fileName) {
Element root =
this
.document.createElement(
"scores"
);
this
.document.appendChild(root);
Element employee =
this
.document.createElement(
"employee"
);
Element name =
this
.document.createElement(
"name"
);
name.appendChild(
this
.document.createTextNode(
"wangchenyang"
));
employee.appendChild(name);
Element sex =
this
.document.createElement(
"sex"
);
sex.appendChild(
this
.document.createTextNode(
"m"
));
employee.appendChild(sex);
Element age =
this
.document.createElement(
"age"
);
age.appendChild(
this
.document.createTextNode(
"26"
));
employee.appendChild(age);
root.appendChild(employee);
TransformerFactory tf = TransformerFactory.newInstance();
try
{
Transformer transformer = tf.newTransformer();
DOMSource source =
new
DOMSource(document);
transformer.setOutputProperty(OutputKeys.ENCODING,
"gb2312"
);
transformer.setOutputProperty(OutputKeys.INDENT,
"yes"
);
PrintWriter pw =
new
PrintWriter(
new
FileOutputStream(fileName));
StreamResult result =
new
StreamResult(pw);
transformer.transform(source, result);
System.out.println(
"生成XML文件成功!"
);
}
catch
(TransformerConfigurationException e) {
System.out.println(e.getMessage());
}
catch
(IllegalArgumentException e) {
System.out.println(e.getMessage());
}
catch
(FileNotFoundException e) {
System.out.println(e.getMessage());
}
catch
(TransformerException e) {
System.out.println(e.getMessage());
}
}
public
void
parserXml(String fileName) {
try
{
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document document = db.parse(fileName);
NodeList employees = document.getChildNodes();
for
(
int
i =
0
; i < employees.getLength(); i++) {
Node employee = employees.item(i);
NodeList employeeInfo = employee.getChildNodes();
for
(
int
j =
0
; j < employeeInfo.getLength(); j++) {
Node node = employeeInfo.item(j);
NodeList employeeMeta = node.getChildNodes();
for
(
int
k =
0
; k < employeeMeta.getLength(); k++) {
System.out.println(employeeMeta.item(k).getNodeName()
+
":"
+ employeeMeta.item(k).getTextContent());
}
}
}
System.out.println(
"解析完毕"
);
}
catch
(FileNotFoundException e) {
System.out.println(e.getMessage());
}
catch
(ParserConfigurationException e) {
System.out.println(e.getMessage());
}
catch
(SAXException e) {
System.out.println(e.getMessage());
}
catch
(IOException e) {
System.out.println(e.getMessage());
}
}
}