用DOM赋值XML节点的问题

Question

如果想给RCPTNO赋值的话，比如：把Hello这个字符串赋给它，代码如下：depth_1.appendChild(depth_1.getOwnerDocument().createTextNode("hello"));

Answer 1

/*
 * Created on Dec 25, 2005
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package com.didoleo.demo;
import javax.xml.parsers.*;
import javax.xml.transform.*;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.*;
/**
 * @author dido leo
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class CsdnXml {
public static void main(String[] args) throws Exception {
DocumentBuilderFactory factory=DocumentBuilderFactory.newInstance();
DocumentBuilder builder=factory.newDocumentBuilder();
Document doc=builder.parse("d:\\xml\\csdn.xml");
doc.normalize();
// NodeList TRANSACTIONS=doc.getElementsByTagName("TRANSACTION");
String s="Hello";
Text textseg=doc.createTextNode(s);

doc.getElementsByTagName("RCPTNO").item(0).appendChild(textseg);
TransformerFactory tFactory=TransformerFactory.newInstance();
Transformer transformer=tFactory.newTransformer();
DOMSource source=new DOMSource(doc);
StreamResult result=new StreamResult(new java.io.File("d:\\xml\\csdn.xml"));
transformer.transform(source,result);


}
}//生成的文件如下
<?xml version="1.0" encoding="UTF-8"?>
<TRANSACTIONS>
<TRANSACTION>
<TRAN_CODE>PAWealthInsure</TRAN_CODE> 
<BK_ACCT_DATE>20051223</BK_ACCT_DATE>         
<BK_ACCT_TIME>08:43:00</BK_ACCT_TIME>         
<BK_SERIAL>200500126</BK_SERIAL>               
<BK_TRAN_CHNL/>         
<RCPTNO>Hello</RCPTNO>        
<POLICY>                              
<AppName>Li</AppName>               
<AppTel>84254521</AppTel>                 
<AppAdd/>                 
<AppID>GDIT-006386</AppID>                   
<BuildAdd/>             
<BuildTel/>             
</POLICY>
</TRANSACTION>
</TRANSACTIONS>