DRP项目（七）----XML的四种解析器之DOM4J解析XML

<?xml version="1.0" encoding="UTF-8"?>
<config>
<db-info>
<driver-name>oracle.jdbc.driver.OracleDriver</driver-name>
<url>jdbc:oracle:thin:@192.168.24.181:1521:BJPOWERNODE</url>
<user-name>drp1</user-name>
<password>drp1</password>
</db-info>
</config>

package com.bjpowernode.drp.util;
/**
* DOM4J实现读取配置文件
*
* */
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

public class testXML {
public  static void main(String args[]){
SAXReader reader = new SAXReader();
Document doc=null;
try {
doc = reader.read(Thread.currentThread().getContextClassLoader().getResource("sys-config.xml"));
} catch (DocumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Element drivername = (Element)doc.selectObject("config/db-info/driver-name");
System.out.println(drivername.getText());

}
}

package com.bjpowernode.drp.util;
/**
* DOM4J实现读取配置文件
*
* */
import java.io.InputStream;
import java.io.Reader;
import org.dom4j.*;
import org.dom4j.io.SAXReader;

public class testXML {
public  static void main(String args[]){
SAXReader reader = new SAXReader();
InputStream in = Thread.currentThread().getContextClassLoader().getResourceAsStream("sys-config.xml");//.getResource("sys-config.xml")
try{
Document doc = reader.read(in);
Element drivernameElt = (Element)doc.selectObject("/config/db-info/driver-name");
String drivername=drivernameElt.getStringValue();
System.out.println(drivername);

} catch (DocumentException e) {
e.printStackTrace();
}

}
}