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import javax.xml.parsers.*;import java.util.*;import java.io.*;import org.jdom.document;import org.jdom.element;import org.jdom.input.saxbuilder;import org.jdom.output.xmloutputter;public class createxml { documentbuilderfactory factory=null; documentbuilder builder=null; org.w3c.dom.document mydocument = null; //创建xml文件 //要创建的xml名字与路进 public void ctratexmlfile(string file){ element carelement = new element("web-app");//建立元素 document mydocument = new document(carelement);//建立一个文档并指定根元素 try { xmloutputter outputter = new xmloutputter(); outputter.output(mydocument, system.out); filewriter writer = new filewriter(file); outputter.output(mydocument, writer); writer.close(); } catch (java.io.ioexception e) { e.printstacktrace(); } } //增加节点 //第1个参数:要增加节点的名字,第2个参数:要修改xml的路进名 public void addxmlnode(string nodename,string xmlfile){ try { element element=null; saxbuilder builder = new saxbuilder(); document doc = builder.build(new file(xmlfile)); if(doc.getrootelement().getchild(nodename)!=null){ system.out.println("该节点以存在！"); ... 下一页