java通过url获取页面数据 java解析xml 基金净值接口使用方法

package test;

import java.io.IOException;
import java.io.InputStream;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.URI;
import org.apache.commons.httpclient.URIException;
import org.apache.commons.httpclient.methods.GetMethod;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

/**
*
* java根据 url获取 xml 并解析xml获取所需对象
* @author openks
*	@since 2013-7-16
*	需要添加 org.apache.commons.codec.jar
*	和 commons-httpclient.jar
* 借用甜菜萧提供的免费查询基金净值接口
*/
public class GetFundByFundId {

/**
* 根据基金id获取该基金信息（含当前单价，基金名称）
* @param fid 基金id
* @return 基金对象
* @throws
*/
public static void getFundByFid(String fid) {
HttpClient client = new HttpClient();
String ura="http://xiaoservices.sinaapp.com/fund.php?id="+fid;
GetMethod get =new GetMethod();
Document doc = null;
try {
URI uri = new URI(ura,false);
get.setURI(uri);
get.addRequestHeader("Content-Type",
"application/x-www-form-urlencoded;charset=utf-8");
client.executeMethod(get);
InputStream inputStream = get.getResponseBodyAsStream();
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder db = factory.newDocumentBuilder();
doc = db.parse(inputStream);
} catch (URIException e) {
e.printStackTrace();
} catch (NullPointerException e) {
e.printStackTrace();
} catch (HttpException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (ParserConfigurationException e) {
e.printStackTrace();
} catch (SAXException e) {
e.printStackTrace();
}
get.releaseConnection();

NodeList nodes1 =  doc.getElementsByTagName("fund");
for (int i = 0; i < nodes1.getLength(); i++) {
Node fund = nodes1.item(i);
NodeList ns = fund.getChildNodes();
for (int j = 0; j < ns.getLength(); j++){
Node record = ns.item(j);
if(record.getNodeName().equals("name")){
System.out.println("基金名称：："+record.getTextContent());
}
if(record.getNodeName().equals("value")){
System.out.println("基金净值：："+record.getTextContent());
}
}
}
}

public static void main(String[] args) {
getFundByFid("070023");
}
}