HttpClient请求DefaultHttpClient过时替换

package com.huanlv.util;


import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;




import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.ParseException;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;


import net.sf.json.JSONObject;


/**
 * 
 * @author david
 *
 */
@SuppressWarnings("deprecation")
public class HttpClientUtil {
//
public static final String learnSelUrl="http://192.168.0.124:8080/site/trdcredit/jxlxxwactivereq"; 
 
 /**
  * post请求
  * @param url
  * @param param
  * @return
* @throws IOException 
  */
 public static JSONObject postJsonData(String url,Map params){
 CloseableHttpClient httpclient = HttpClientUtil.createDefault();
 HttpPost httpPost = new HttpPost(url);
  //拼接参数
 List list = new ArrayList();
 for (Map.Entry entry : params.entrySet()) {
         String key = entry.getKey().toString();
         String value = entry.getValue().toString();
         System.out.println("key=" + key + " value=" + value);
         NameValuePair pair = new BasicNameValuePair(key, value); 
         list.add(pair); 
 }
 CloseableHttpResponse response=null;
 try {
httpPost.setEntity(new UrlEncodedFormEntity(list));
response = httpclient.execute(httpPost);
 } catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
 } catch (ClientProtocolException e) {
e.printStackTrace();
 } catch (IOException e) {
e.printStackTrace();
 }
 /**请求发送成功，并得到响应**/  
 JSONObject jsonObject=null;
          if(response.getStatusLine().getStatusCode() == HttpStatus.SC_OK){
        HttpEntity httpEntity = response.getEntity();
         String result=null;
try {
result = EntityUtils.toString(httpEntity);
} catch (ParseException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}// 返回json格式：
         jsonObject = JSONObject.fromObject(result);
       }
          return jsonObject;
 }
 
 /**
   * Creates {@link CloseableHttpClient} instance with default
   * configuration.
   */
   public static CloseableHttpClient createDefault() {
       return HttpClientBuilder.create().build();
   }
 
 /**
  * http发送post请求
  * @param url
  * @param maps
  * @return
  */
 @SuppressWarnings({ "resource" })
 public static  JSONObject sendPost(String url,Map params){
 DefaultHttpClient client = new DefaultHttpClient(); 
 /**NameValuePair是传送给服务器的请求参数    param.get("name") **/  
          List list = new ArrayList(); 
          for (Map.Entry entry : params.entrySet()) {
           String key = entry.getKey().toString();
           String value = entry.getValue().toString();
           System.out.println("key=" + key + " value=" + value);
           NameValuePair pair = new BasicNameValuePair(key, value); 
           list.add(pair); 
          }
          UrlEncodedFormEntity entity=null;  
          try {  
              /**设置编码 **/  
              entity = new UrlEncodedFormEntity(list,"UTF-8");  
          } catch (UnsupportedEncodingException e) {  
              e.printStackTrace();  
          }    
          /**新建一个post请求**/  
          HttpPost post = new HttpPost(url);    
          post.setEntity(entity);    
          HttpResponse response=null;
          try {  
              /**客服端向服务器发送请求**/  
              response = client.execute(post);  
          } catch (ClientProtocolException e) {  
              e.printStackTrace();  
          } catch (IOException e) {  
              e.printStackTrace();  
          }    
          /**请求发送成功，并得到响应**/  
          JSONObject jsonObject=null;
          if(response.getStatusLine().getStatusCode() == HttpStatus.SC_OK){
        HttpEntity httpEntity = response.getEntity();
         String result=null;
try {
result = EntityUtils.toString(httpEntity);
} catch (ParseException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}// 返回json格式：
         jsonObject = JSONObject.fromObject(result);
       }
          return jsonObject;
 }
}