Java/DownloadImg.java at master · realize096/Java · GitHub

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importorg.apache.http.HttpEntity;
importorg.apache.http.client.methods.CloseableHttpResponse;
importorg.apache.http.client.methods.HttpGet;
importorg.apache.http.impl.client.CloseableHttpClient;
importorg.apache.http.impl.client.HttpClients;
importorg.apache.http.util.EntityUtils;

importjava.io.*;
importjava.text.SimpleDateFormat;
importjava.util.Date;
importjava.util.regex.Matcher;
importjava.util.regex.Pattern;

publicclassDownloadImg {

publicstaticvoidwriteImgEntityToFile(HttpEntityimgEntity,StringfileAddress) {
FilestoreFile = newFile(fileAddress);
FileOutputStreamoutput = null;
try {
output = newFileOutputStream(storeFile);

if (imgEntity != null) {
InputStreaminstream;
instream = imgEntity.getContent();
byteb[] = newbyte[8 * 1024];
intcount;
while ((count = instream.read(b)) != -1) {
output.write(b, 0, count);
 }

 }
 } catch (FileNotFoundExceptione) {
e.printStackTrace();
 } catch (IOExceptione) {
e.printStackTrace();
 } finally {
try {
output.close();
 } catch (IOExceptione) {
e.printStackTrace();
 }
 }
 }

publicstaticvoidmain(String[] args) {
System.out.println("获取Bing图片地址中……");

SimpleDateFormatdateFormat = newSimpleDateFormat("yyyy-MM-dd");
CloseableHttpClienthttpClient = HttpClients.createDefault();
HttpGethttpGet = newHttpGet("http://cn.bing.com/");
CloseableHttpResponseresponse = null;
try {
response = httpClient.execute(httpGet);
Patternp = Pattern.compile("g_img=\\{url:.*\\.jpg");
Matcherm = p.matcher(EntityUtils.toString(response.getEntity()));
Stringaddress = null;
if (m.find()) {
address = m.group().split("'")[1].split("'")[0];
 } else {
System.exit(0);
 }
System.out.println("图片地址:" + address);
System.out.println("正在下载……");
HttpGetgetImage = newHttpGet(address);
CloseableHttpResponseresponseImg = httpClient.execute(getImage);
HttpEntityentity = responseImg.getEntity();

writeImgEntityToFile(entity,"/home/geekgao/图片/BingImg/" + dateFormat.format(newDate()) + ".jpg");

System.out.println("下载完毕.");
 } catch (IOExceptione) {
e.printStackTrace();
 } finally {
try {
httpClient.close();
response.close();
 } catch (IOExceptione) {
e.printStackTrace();
 }
 }
 }
}