jdomcreatexml.java~5~

XMLParsejava ,xml java parase 分析XMLParsejava ,xml java paras

package firstjdom;
import org.jdom.*;
import org.jdom.input.*;
import org.jdom.output.*;
import java.io.*;
import java.util.*;

//JDOM在内存中建立一个XML
//然后写出到文件中
public class JDomCreateXml {

  public static void main(String[] args) throws Exception {

    //建立一个新的DOM树
    //<dept>
    //</dept>
    Element root = new Element("dept");
    Document doc = new Document(root);

    //加注释
    //<!--部门表-->
    //<dept></dept>
    org.jdom.Comment comm = new
        Comment("部门表");
    //addContent 添加内容
    doc.addContent(comm);

    //加DTD
    //<!DOCTYPE dept SYSTEM "dept.dtd">
    org.jdom.DocType dt = new
        DocType("dept", "dept.dtd");
    //设置DTD
    doc.setDocType(dt);

    //加xsl
    //<?xml-stylesheet type="text/xsl" href="dept.xsl"?>
    org.jdom.ProcessingInstruction pi =
        new ProcessingInstruction("xml-stylesheet",
                                  "type=\"text/xsl\" href=\"dept.xsl\"");
    doc.addContent(pi);

    //根元素下添加元素
    /*<dept>
         <row>
         </row>
      </dept>      */

    Element row = new Element("row");
    root.addContent(row);

    /*<dept>
         <row deptno="D30">
           <dname>财务部</dname>
            <loc>北京<loc>
         </row>
      </dept>      */
    row.addContent(new Element("dname").setText("财务部"));
    //插入第一个位置
    row.addContent(new Element("loc").setText("北京"));

    //加属性
    row.setAttribute("deptno","D30");

    //row.setAttribute("deptno", "D10");

    //删除
    row.removeChild("loc");

    Format fmt = Format.getPrettyFormat();
    fmt.setEncoding("GBK");
    //输出到一个XML文件中
    org.jdom.output.XMLOutputter xmlout =
        new XMLOutputter(fmt);

    xmlout.output(doc, new FileWriter("f:/newdept.xml"));

  }

}