用dom4j解析
package dom4j;
import java.io.File;
import java.io.FileWriter;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.SAXReader;
import org.dom4j.io.XMLWriter;
publicclass dom4j {
privatestatic String xmlpath = "dom4j.xml";
publicstaticvoid main(String[] args)throws Exception{
//createXml();
resolving();
}
publicstaticvoid createXml() throws Exception{
//创建document对象
Document document = DocumentHelper.createDocument();
//创建根节点
Element root = DocumentHelper.createElement("studnets");
//将根节点添加到document对象中
document.setRootElement(root);
for(int i = 0 ;i < 20 ; i++){
//创建根元素节点并将根元素节点添加到根节点中
Element student = root.addElement("student");
//设置根元素节点的值
//声明参数ID
String id ="";
for(int j = 0; j< 9 ; j ++ ){
id += new Random().nextInt(8)+1;
}
student.addAttribute("id",id);
//创建元素节点并将元素节点添加到根元素节点中
Element name = student.addElement("name");
Element sex = student.addElement("sex");
Element age = student.addElement("age");
Element phone = student.addElement("phone");
//声明一个姓名的数组
String nameList[] = {"吕布","赵云","马超","张飞","关羽","许褚","孙策","周瑜","夏侯渊","张颌","于禁","黄忠","典韦","曹仁","程普"};
String sexList[] = {"男","女"};
//设置元素节点的文本值
name.setText(nameList[new Random().nextInt(nameList.length)]);
sex.setText(sexList[new Random().nextInt(sexList.length)]);
age.setText(new Random().nextInt(20)+20+"");
String tel ="";
for(int k = 0; k< 7 ; k++ ){
tel += new Random().nextInt(9);
}
phone.setText("0756-"+tel);
}
OutputFormat format = new OutputFormat("\t",true);
format.setEncoding("utf-8");
XMLWriter xmlWriter = new XMLWriter(new FileWriter(xmlpath),format);
xmlWriter.write(document);
xmlWriter.close();
}
//解析XML文件
@SuppressWarnings("rawtypes")
publicstaticvoid resolving() throws Exception{
//获取XML解析器
SAXReader saxReader = new SAXReader();
//获取document对象
Document document = saxReader.read(new File(xmlpath));
//获取根节点
Element root = document.getRootElement();
//获取根元素节点
List chindList = root.elements();
for(Iterator iter = chindList.iterator(); iter.hasNext();){
Element student =(Element)iter.next();
System.out.println("id = "+student.attributeValue("id")+" name = "
+student.elementText("name")+" sex = "
+student.elementText("sex")+" age = "
+student.elementText("age")+" phone = "
+student.elementText("phone"));
}
System.err.println("\n---------------------------------------------------------------------");
for(int i = 0 ; i< chindList.size() ; i++ ){
Element student = (Element)chindList.get(i);
System.out.println("id = "+student.attributeValue("id")+" name = "
+student.elementText("name")+" sex = "
+student.elementText("sex")+" age = "
+student.elementText("age")+" phone = "
+student.elementText("phone"));
}
}
}