字符串对象跟xml格式的转换

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package com.sunshen.jfids.testWebService.task;import java.io.File;
import java.io.StringWriter;import com.sunsheen.jfids.dom4j.Document;
import com.sunsheen.jfids.dom4j.DocumentException;
import com.sunsheen.jfids.dom4j.DocumentHelper;
import com.sunsheen.jfids.dom4j.io.OutputFormat;
import com.sunsheen.jfids.dom4j.io.SAXReader;
import com.sunsheen.jfids.dom4j.io.XMLWriter;/**
* 字符串对象跟xml格式的转换
* @author WangSong
*
*/
public class XmlFormat { /**
* 将字符串格式化成xml
* @param str
* @return
* @throws Exception
*/
public static String formatXml(String str) throws Exception {
Document document = null;
document = DocumentHelper.parseText(str);
// 格式化输出格式
OutputFormat format = OutputFormat.createPrettyPrint();
format.setEncoding("UTF-8");
StringWriter writer = new StringWriter();
// 格式化输出流
XMLWriter xmlWriter = new XMLWriter(writer, format);
// 将document写入到输出流
xmlWriter.write(document);
xmlWriter.close(); return writer.toString();
} /**
* 将xml文件转换成字符串对象
* @param fileName 文件名（需要位置对应）
* @return
*/
public String xmlChangeString(String fileName) {
try {
SAXReader saxReader = new SAXReader();// 新建一个解析类
//Document tempDocument = saxReader.read(XmlUtil.class.getClassLoader().getResourceAsStream(fileName));// 读入一个文件
Document tempDocument = saxReader.read(new File(fileName));
return tempDocument.asXML();
} catch (DocumentException e) {
e.printStackTrace();
}
return null;
}// public static void main(String [] args) throws Exception{
// String test = "<Head><name>wangsong</name><age>24</age></Head>";
// System.out.println(formatXml(test));
// }}xml string document 之间的转换

-- XML String字符串转 XML Document文档
String strXml = /"....../";
Document document = DocumentHelper.parseText(strXml);-- XML Document文档转 XML String字符串
Document document = ...;
String strXml= document.asXML();