整個工具類程式碼如下所示，可直接使用！

import java.io.IOException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
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.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.alibaba.fastjson.JSONObject;

/**
 * HttpClient4.3工具類
 * 
 * @author tech
 * @date 2016-03-29
 *
 */
public class HttpClientUtils {
	private static Logger logger = LoggerFactory
			.getLogger(HttpClientUtils.class); // 日誌記錄

	
	/**
	 * post請求傳輸json引數
	 * 
	 * @param url
	 *            url地址
	 * @param json
	 *            引數
	 * @return
	 */
	public static JSONObject httpPost(String url, JSONObject jsonParam) {
		// post請求返回結果
		CloseableHttpClient httpClient = HttpClients.createDefault();
		JSONObject jsonResult = null;
		HttpPost httpPost = new HttpPost(url);
		// 設定請求和傳輸超時時間
		RequestConfig requestConfig = RequestConfig.custom()
				.setSocketTimeout(2000).setConnectTimeout(2000).build();
		httpPost.setConfig(requestConfig);
		try {
			if (null != jsonParam) {
				// 解決中文亂碼問題
				StringEntity entity = new StringEntity(jsonParam.toString(),
						"utf-8");
				entity.setContentEncoding("UTF-8");
				entity.setContentType("application/json");
				httpPost.setEntity(entity);
			}
			CloseableHttpResponse result = httpClient.execute(httpPost);
			//請求傳送成功，並得到響應
			if (result.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
				String str = "";
				try {
					//讀取伺服器返回過來的json字串資料 
					str = EntityUtils.toString(result.getEntity(), "utf-8");
					//把json字串轉換成json物件 
					jsonResult = JSONObject.parseObject(str);
				} catch (Exception e) {
					logger.error("post請求提交失敗:" + url, e);
				}
			}
		} catch (IOException e) {
			logger.error("post請求提交失敗:" + url, e);
		} finally {
			httpPost.releaseConnection();
		}
		return jsonResult;
	}
	
	
	/**
	 * post請求傳輸String引數
	 * 例如：name=Jack&sex=1&type=2
	 * Content-type:application/x-www-form-urlencoded
	 * @param url
	 *            url地址
	 * @param strParam
	 *            引數
	 * @param noNeedResponse
	 *            不需要返回結果
	 * @return
	 */
	public static JSONObject httpPost(String url, String strParam) {
		// post請求返回結果
		CloseableHttpClient httpClient = HttpClients.createDefault();
		JSONObject jsonResult = null;
		HttpPost httpPost = new HttpPost(url);
		// 設定請求和傳輸超時時間
		RequestConfig requestConfig = RequestConfig.custom()
				.setSocketTimeout(2000).setConnectTimeout(2000).build();
		httpPost.setConfig(requestConfig);
		try {
			if (null != strParam) {
				// 解決中文亂碼問題
				StringEntity entity = new StringEntity(strParam,"utf-8");
				entity.setContentEncoding("UTF-8");
				entity.setContentType("application/x-www-form-urlencoded");
				httpPost.setEntity(entity);
			}
			CloseableHttpResponse result = httpClient.execute(httpPost);
			//請求傳送成功，並得到響應
			if (result.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
				String str = "";
				try {
					//讀取伺服器返回過來的json字串資料
					str = EntityUtils.toString(result.getEntity(), "utf-8");
					//把json字串轉換成json物件
					jsonResult = JSONObject.parseObject(str);
				} catch (Exception e) {
					logger.error("post請求提交失敗:" + url, e);
				}
			}
		} catch (IOException e) {
			logger.error("post請求提交失敗:" + url, e);
		} finally {
			httpPost.releaseConnection();
		}
		return jsonResult;
	}

	/**
	 * 傳送get請求
	 * 
	 * @param url
	 *            路徑
	 * @return
	 */
	public static JSONObject httpGet(String url) {
		// get請求返回結果
		JSONObject jsonResult = null;
		CloseableHttpClient client = HttpClients.createDefault();
		// 傳送get請求
		HttpGet request = new HttpGet(url);
		// 設定請求和傳輸超時時間
		RequestConfig requestConfig = RequestConfig.custom()
				.setSocketTimeout(2000).setConnectTimeout(2000).build();
		request.setConfig(requestConfig);
		try {
			CloseableHttpResponse response = client.execute(request);

			//請求傳送成功，並得到響應
			if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
				//讀取伺服器返回過來的json字串資料
				HttpEntity entity = response.getEntity();
				String strResult = EntityUtils.toString(entity, "utf-8");
				//把json字串轉換成json物件
				jsonResult = JSONObject.parseObject(strResult);
			} else {
				logger.error("get請求提交失敗:" + url);
			}
		} catch (IOException e) {
			logger.error("get請求提交失敗:" + url, e);
		} finally {
			request.releaseConnection();
		}
		return jsonResult;
	}
	
	public static void main(String[] args) {
		//TODO 測試程式碼
	}
}