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<String,String> params){
 CloseableHttpClient httpclient = HttpClientUtil.createDefault();
 HttpPost httpPost = new HttpPost(url);
  //拼接参数
 List<NameValuePair> list = new ArrayList<NameValuePair>();
 for (Map.Entry<String, String> 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<String,String> params){
 DefaultHttpClient client = new DefaultHttpClient(); 
 /**NameValuePair是传送给服务器的请求参数    param.get("name") **/  

          List<NameValuePair> list = new ArrayList<NameValuePair>(); 

          for (Map.Entry<String, String> 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;
 }

}