制造信息化：生命周期管理提升制造水平

package ytu.botao.xml.dom;
import java.io.FileWriter;
import java.io.IOException;
import org.jdom.Attribute;
import org.jdom.Comment;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.output.Format;
import org.jdom.output.XMLOutputter;
/**
* 使用jdom框架进行 对xml构造，在本地硬盘上生成xml文档
*
* @author botao
*
*/
public class JdomTest1 {
/**
*
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException {
Document document = new Document();
Element root = new Element("root");
document.addContent(root);
Comment comment = new Comment("This is my comments");
root.addContent(comment);
Element e = new Element("hello");
e.setAttribute("sohu", "www.sohu.com");
root.addContent(e);
Element e2 = new Element("world");
// 方法一：设置属性
Attribute attr = new Attribute("test", "hehe");
e2.setAttribute(attr);
e.addContent(e2);
// 方法二：利用方法链的风格进行设置属性
e2.addContent(new Element("aaa").setAttribute("a", "b")
.setAttribute("x", "y").setAttribute("gg", "hh")
.setText("text content"));
Format format = Format.getPrettyFormat();
format.setIndent("    ");
// format.setEncoding("gbk");
XMLOutputter out = new XMLOutputter(format);
out.output(document, new FileWriter("jdom.xml"));
}
}

package ytu.botao.xml.dom;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;
import org.jdom.Attribute;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
import org.jdom.output.Format;
import org.jdom.output.XMLOutputter;
/**
* 利用jdom框架进行解析和修改属性
* @author botao
*
*/
public class JdomTest2 {
/**
*
* @param args
* @throws IOException
* @throws FileNotFoundException
* @throws JDOMException
*/
public static void main(String[] args) throws FileNotFoundException, IOException, JDOMException {
SAXBuilder builder = new SAXBuilder();

Document doc = builder.build(new File("jdom.xml"));

Element element = doc.getRootElement();

System.out.println(element.getName());

Element hello = element.getChild("hello");

System.out.println(hello.getText());

List list = hello.getAttributes();

for(int i = 0 ;i < list.size(); i++)
{
Attribute attr = (Attribute)list.get(i);

String attrName = attr.getName();
String attrValue = attr.getValue();

System.out.println(attrName + "=" + attrValue);
}

hello.removeChild("world");

XMLOutputter out = new XMLOutputter(Format.getPrettyFormat().setIndent("    "));

out.output(doc, new FileOutputStream("jdom2.xml"));
}
}