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ÕâÊÇÒ»¸öÓÃJAVA W3C DOM ½øÐÐXML²Ù×÷µÄÀý×Ó£¬°üº¬Á˲éѯ¡¢Ôö¼Ó¡¢Ð޸ġ¢É¾³ý¡¢±£´æµÄ»ù±¾²Ù×÷¡£½ÏÍêÕûµÄÃèÊöÁËÒ»¸öXMLµÄÕû¸ö²Ù×÷Á÷³Ì¡£ÊʺϸÕÈëÃÅJAVA XML²Ù×÷µÄÅóÓѲο¼ºÍѧϰ¡£
¼ÙÉèÓÐXMLÎļþ£ºtest1.xml
<?xml version="1.0" encoding="GBK"?>
<books>
<book>
<name>¹þÀï²¨ÌØ</name>
<price>10</price>
<memo>ÕâÊÇÒ»±¾ºÜºÃ¿´µÄÊé¡£</memo>
</book>
<book id="B02">
<name>Èý¹úÑÝÒå</name>
<price>10</price>
<memo>ËÄ´óÃûÖøÖ®Ò»¡£</memo>
</book>
<book id="B03">
<name>Ë®ä°</name>
<price>6</price>
<memo>ËÄ´óÃûÖøÖ®Ò»¡£</memo>
</book>
<book id="B04">
<name>ºìÂ¥</name>
<price>5</price>
<memo>ËÄ´óÃûÖøÖ®Ò»¡£</memo>
</book>
</books>
ÏÂÃæÊÇΪTest.java
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import org.w3c.dom.*;
import org.xml.sax.SAXException;
import javax.xml.parsers.*;
import javax.xml.transform.*;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.*;
import javax.xml.xpath.*;
public class Test {
    public static void main(String[] args) {
        DocumentBuilderFactory factory=DocumentBuilderFactory.newInstance();
        Element theBook=null, theElem=null, root=null;
        try {
            factory.setIgnoringElementContentWhitespace(true);
           
            DocumentBuilder db=factory.newDocumentBuilder();
            Document xmldoc=db.parse(new File("Test1.xml"));
      &n


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import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.Arrays;
public class NumberChange
{
private String strNum;

private String strNumChFormat;

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<?xml version="1.0" encoding="UTF-8"?>
<root>
 <person id="1">
  <username >xiaoma</username>
  <password>xiaoma</password>
 </person>
 <person id="2">
  <username>manager</username> ......
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