修该xml指定节点值.docx

ffnullnull02013-11null1232013-11-252013-11-261233nullnull02013-11null2013-11-252013-11-2521312null1232013-11-252013-11-25nullD:/w2.jpgnullnull23null1232013-11-252013-11-25nullnullnullnull122013-11-25 nullD:/w2.jpgnullnullnull实体类ffnullnull02013-11null1232013-11-252013-11-261233nullnull02013-11null2013-11-252013-11-2521312null1232013-11-252013-11-25nullD:/w2.jpgnullnull23null1232013-11-252013-11-25nullnullnullnull122013-11-25 nullD:/w2.jpgnullnullnull实体类package com.test;import java.io.File;import java.io.FileOutputStream;import java.io.FileWriter;import java.util.List;import org.dom4j.Document;import org.dom4j.Node;import org.dom4j.io.SAXReader;import org.dom4j.io.XMLWriter;public class Test_DOM4J_Pase_Node public static void main(String args) updateBackupInfoXML(, stay_info, yyy);public static void updateBackupInfoXML(String user_id, String type, String pathname) File fileloc = null;try SAXReader saxr = new SAXReader();fileloc = new File(src/test.xml);System.out.println(fileloc.exists();/ if (fileloc.list().length = 0) return;Document doc = saxr.read(fileloc);List node = null;if (stay_info.equals(type) String str = /tablename= + type + /record_stay_idstay_invoice_local_path= + pathname + ;System.out.println(str);node = doc.selectNodes(str);System.out.println(node.size();if (node.size() = 1) String str1 = null;node.get(0).selectSingleNode(stay_invoice_server_path).setText(你好);System.out.println(str1); else if (other_info.equals(type) node = doc.selectNodes(/tablename= + type + /record_other_idother_invoice_local_path= + pathname + );if (node.size() = 1) node.get(0).selectSingleNode(other_invoice_server_path).setText(); else if (traffic_info.equals(type) node = doc.selectNodes(/tablename= + type + /record_traffice_idtraffic_invoice_local_path= + pathname + );if (node.size() = 1) node.get(0).selectSingleNode(traffic_invoice_server_path).setText();/ OutputFormat format = new OutputFormat( , true, UTF-8);XMLWriter xmlw = new XMLWriter(new FileOutputStream