必应(http://cn.bing.com/)每日图片下载

/**
* Created on 2016年6月15日
*/
package com.bing;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;

/**
* @author zhenggm<a href="mailto:zhenggm@chsi.com.cn">zhenggm</a>
* @version $Id$
*/
public class DownloadImg {
public static void main(String[] args) {
String url = "http://cn.bing.com/HPImageArchive.aspx?format=js&idx=0&n=1";
HttpClient client = HttpClients.createDefault();
HttpGet get = new HttpGet(url);
try {
HttpResponse response = client.execute(get);
JSONObject json = JSON.parseObject(EntityUtils.toString(response.getEntity()));
JSONArray obj = (JSONArray) JSONArray.parse(json.get("images").toString());
String resourceUrl = obj.getJSONObject(0).get("url").toString();
HttpGet request = new HttpGet(resourceUrl);
HttpResponse resp = client.execute(request);
if (resp.getStatusLine().getStatusCode() == 200) {
InputStream in = resp.getEntity().getContent();
byte[] b = new byte[1024];
int len = 0;
String path = "E:/testImage/bing/";
File folder = new File(path);
if (!folder.exists()) {
folder.mkdirs();
}
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
File f = new File(path + sdf.format(new Date()) + ".jpg");
if (!f.exists()) {
f.createNewFile();
}
OutputStream out = new FileOutputStream(f);
while ((len = in.read(b)) != -1) {
out.write(b, 0, len);
}
out.close();
System.out.println("File is stored in: " + path);
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}