inputstream输出为String

 import java.io.IOException;
 import java.io.InputStream;
 import org.apache.http.HttpEntity;
 import org.apache.http.client.config.RequestConfig;
 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 void test() throws ClientProtocolException, IOException{
         RequestConfig config = RequestConfig.custom()
                 .setConnectionRequestTimeout(40000).setConnectTimeout(40000)
                 .setSocketTimeout(40000).build();

         HttpGet httpGet = new HttpGet("http://iphone.myzaker.com/zaker/article_telecom.php?app_id=1&for=delong");

         httpGet.setConfig(config);

         CloseableHttpClient httpClient = HttpClients.custom().setDefaultRequestConfig(null).build();//设置进去

         HttpClients.createDefault();

         CloseableHttpResponse  response = null;
         response = httpClient.execute(httpGet); 

         HttpEntity entity = response.getEntity();
         InputStream in =  entity.getContent();
         // 开始读取内容
         StringBuffer out = new StringBuffer();
         byte[] b = new byte[4096];
         for (int n; (n = in.read(b)) != -1;) {
             out.append(new String(b, 0, n));
         }
     }