android手机端保存xml数据
package com.mqp.doc2xml;import java.io.File;import java.io.IOException;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.parsers.ParserConfigurationException;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.omg.CORBA.Environment;import org.w3c.dom.Document;import org.w3c.dom.Element;import org.w3c.dom.Text;import org.xml.sax.SAXException;/** * * 将配置中的数据保存在本地XML文件中 * * @author Administrator * */// 使用Dom方式来保存数据public class Doc2Xml {public static boolean saveParam2Xml(String ip_value, String socket_value) {// 文档生成器工厂DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();// 实例化文档生成器try {DocumentBuilder builder = factory.newDocumentBuilder();File f = new File("../Test/xml/text.xml");if (!f.exists()) {System.out.println("=======");f.createNewFile();// 生成一个文档Document document = builder.newDocument();// 创建根节点Element configs = document.createElement("configs");// 创建XML文件所需的各种对象并序列化(元素)Element config = document.createElement("config");// 创建元素节点Element ip = document.createElement("ip");Element socket = document.createElement("socket");Text ip_text = document.createTextNode(ip_value);// 创建text文本Text socket_text = document.createTextNode(socket_value);ip.appendChild(ip_text);socket.appendChild(socket_text);config.appendChild(ip);config.appendChild(socket);configs.appendChild(config);document.appendChild(configs);// 添加到文档中// 调用方法，将文档写入xml文件中return Doc2Xml.write2Xml(document, f);} else {// 解析文档Document document = builder.parse(f);Element configs = document.getDocumentElement();// 得到根节点，把后面创建的子节点加入这个跟节点中// 创建XML文件所需的各种对象并序列化(元素)Element config = document.createElement("config");// 创建元素节点Element ip = document.createElement("ip");Element socket = document.createElement("socket");Text ip_text = document.createTextNode(ip_value);// 创建textText socket_text = document.createTextNode(socket_value);ip.appendChild(ip_text);socket.appendChild(socket_text);config.appendChild(ip);config.appendChild(socket);configs.appendChild(config);// 添加到根节点中// 调用方法，将文档写入xml文件中return Doc2Xml.write2Xml(document, f);}} catch (ParserConfigurationException e) {e.printStackTrace();return false;} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (SAXException e) {// TODO Auto-generated catch blocke.printStackTrace();}return false;}public static boolean write2Xml(Document document, File file) {// 创建转化工厂TransformerFactory factory = TransformerFactory.newInstance();// 创建转换实例try {Transformer transformer = factory.newTransformer();// 将建立好的DOM放入DOM源中DOMSource domSource = new DOMSource(document);// 创建输出流StreamResult result = new StreamResult(file);// 开始转换transformer.transform(domSource, result);return true;} catch (TransformerConfigurationException e) {e.printStackTrace();return false;} catch (TransformerException e) {e.printStackTrace();return false;}}public static void main(String[] args) {System.out.println(Doc2Xml.saveParam2Xml("10.1.23.2", "8888")+ "----------");}}