import java.io.IOException;    import java.io.InputStream;    import java.io.PrintWriter;    import java.io.Writer;    import java.util.Scanner;        import org.apache.http.HttpEntity;    import org.apache.http.HttpStatus;    import org.apache.http.client.ClientProtocolException;    import org.apache.http.client.methods.CloseableHttpResponse;    import org.apache.http.client.methods.HttpGet;    import org.apache.http.impl.client.CloseableHttpClient;    import org.apache.http.impl.client.HttpClients;        public class DownloadWebPage{            public static void downloadPagebyGetMethod() throws IOException {                // 1、通过HttpGet获取到response对象            CloseableHttpClient httpClient = HttpClients.createDefault();            HttpGet httpGet = new HttpGet("http://www.baidu.com/");            CloseableHttpResponse response = httpClient.execute(httpGet);                InputStream is = null;            Scanner sc = null;            Writer os = null;            if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {                try {                    // 2、获取response的entity。                    HttpEntity entity = response.getEntity();                        // 3、获取到InputStream对象，并对内容进行处理                    is = entity.getContent();                    sc = new Scanner(is);                    // String filename = path.substring(path.lastIndexOf('/')+1);                    String filename = "2.txt";                    os = new PrintWriter(filename);                    while (sc.hasNext()) {                        os.write(sc.nextLine());                    }                    } catch (ClientProtocolException e) {                    e.printStackTrace();                } finally {                    if (sc != null) {                        sc.close();                    }                    if (is != null) {                        is.close();                    }                    if (os != null) {                        os.close();                    }                    if (response != null) {                        response.close();                    }                }            }            }            public static void main(String[] args) {            try {                downloadPagebyGetMethod();            } catch (IOException e) {                e.printStackTrace();            }        }        }