一個(gè)XML文檔，可以先構(gòu)造一個(gè)DOM，然后將DOM轉(zhuǎn)化為xml序列，輸出或者生成文件。package test;

import java.io.ByteArrayOutputStream;

import java.io.File;

import java.io.FileOutputStream;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.transform.Transformer;

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;

public class Test {

public static void generate(){

try {

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

DocumentBuilder builder = factory.newDocumentBuilder();

Document document = builder.newDocument();

document.setXmlVersion("1.0");

document.setXmlStandalone(true);

Element root = document.createElement_x("MobileNet"); //創(chuàng)建根節(jié)點(diǎn)

document.appendChild(root); //將根節(jié)點(diǎn)添加到Document對(duì)象中

Element pageElement = document.createElement_x("page"); //設(shè)置第一個(gè)page元素到

pageElement.setAttribute("name", "list.jsp"); //設(shè)置page節(jié)點(diǎn)的name屬性

Element methodElement = document.createElement_x("method"); //設(shè)置method節(jié)點(diǎn)

methodElement.setTextContent("get"); //給method設(shè)置值

pageElement.appendChild(methodElement); //添加method節(jié)點(diǎn)到page節(jié)點(diǎn)內(nèi)

Element displayElement = document.createElement_x("display"); //設(shè)置method節(jié)點(diǎn)

displayElement.setTextContent("list撒旦發(fā)放"); //給display設(shè)置值

pageElement.appendChild(displayElement); //添加display節(jié)點(diǎn)到page節(jié)點(diǎn)內(nèi)

Element request_paramElement = document.createElement_x("request_param");

request_paramElement.setTextContent("request_param1|request_param2");

pageElement.appendChild(request_paramElement);

root.appendChild(pageElement);

pageElement = document.createElement_x("page"); //設(shè)置第二個(gè)page元素到

pageElement.setAttribute("name", "content.jsp"); //設(shè)置page節(jié)點(diǎn)的name屬性

methodElement = document.createElement_x("method");

methodElement.setTextContent("post");

pageElement.appendChild(methodElement);

displayElement = document.createElement_x("display");

displayElement.setTextContent("content");

pageElement.appendChild(displayElement);

Element url_titleElement = document.createElement_x("url_title"); //設(shè)置url_title節(jié)點(diǎn)

url_titleElement.setTextContent("title,publisher,published_calendar"); //給url_title設(shè)置值

pageElement.appendChild(url_titleElement); //添加url_title節(jié)點(diǎn)到page節(jié)點(diǎn)內(nèi)

root.appendChild(pageElement); //將page段加人根節(jié)點(diǎn)內(nèi)

TransformerFactory transFactory = TransformerFactory.newInstance(); //開(kāi)始把Document映射到文件

Transformer transFormer = transFactory.newTransformer();

DOMSource domSource = new DOMSource(document); //設(shè)置輸出結(jié)果

File file = new File("MobileNetRule.xml"); //生成xml文件

if (!file.exists()) {

file.createNewFile();

}

FileOutputStream out = new FileOutputStream(file); //文件輸出流

StreamResult xmlResult = new StreamResult(out); //設(shè)置輸入源

transFormer.transform(domSource, xmlResult); //輸出xml文件

System.out.println(file.getAbsolutePath()); //測(cè)試文件輸出的路徑

TransformerFactory tf = TransformerFactory.newInstance();

Transformer t = tf.newTransformer();

t.setOutputProperty("{/encoding/}","GB2312/");

ByteArrayOutputStream boc = new ByteArrayOutputStream();

t.transform(new DOMSource(document), new StreamResult(boc));

String xmlstring = boc.toString();

System.out.println(xmlstring);

} catch (Exception e) {

e.printStackTrace();

}

}

public static void main(String[] args){

Test.generate();

}

}

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