HttpClient的get和post请求

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.apache.http.ParseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

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

/**
 * HTTP请求远程API 辅助工具
 * @author kongweiteng
 * @version 2017-04-10
 */
@Component
public class HttpUtil{
    protected static Logger logger = LoggerFactory.getLogger(HttpUtil.class);//日志工具

    /**
     * 功能：get请求
     * @param url 请求地址以及请求参数
     * @return text 返回文本
     */
    public static String get(String url){
        HttpClient client = HttpClients.createDefault();// 创建一个默认httpclient客户端
        HttpGet get = new HttpGet(url);// 创建一个get请求
        String text = "";
        try {
            HttpResponse response = client.execute(get);// 用客户端去执行get请求得到一个响应
            HttpEntity entity = response.getEntity();// 取出响应实体
            text = EntityUtils.toString(entity);
        } catch (ClientProtocolException e) {
            logger.error("http工具类执行get请求时出现ClientProtocolException异常!");
            e.printStackTrace();
        } catch (ParseException e) {
            logger.error("http工具类执行get请求时出现ParseException异常!");
            e.printStackTrace();
        } catch (IOException e) {
            logger.error("http工具类执行get请求时出现IOException异常!");
            e.printStackTrace();
        } finally {
            get.releaseConnection();// 释放连接
        }
        return text;
    }

    /**
     * 功能：post请求
     * @param url 请求路径
     * @param map 参数名值对
     * @return  返回文本
     */
    public static String post(String url, Map<String, String> map) {
        HttpClient client = HttpClients.createDefault();// 创建一个默认httpclient客户端
        List<NameValuePair> paramsList = new ArrayList<NameValuePair>();// 定义名值对类型的list
        for (Map.Entry<String, String> entry : map.entrySet()) {
            paramsList.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
        }
        String text = "";
        HttpPost post = new HttpPost(url);// 创建一个post请求
        try {
            HttpEntity httpEntity = new UrlEncodedFormEntity(paramsList, "utf-8");// 把list放到http请求实体中
            post.setEntity(httpEntity);// 把请求实体放到post请求中
            HttpResponse response = client.execute(post);// 用客户端去执行post请求得到一个响应
            HttpEntity entity = response.getEntity();// 取出响应实体
            text = EntityUtils.toString(entity);
        } catch (UnsupportedEncodingException e) {
            logger.error("http工具类执行post请求时出现UnsupportedEncodingException异常!");
            e.printStackTrace();
        } catch (ClientProtocolException e) {
            logger.error("http工具类执行post请求时出现ClientProtocolException异常!");
            e.printStackTrace();
        } catch (ParseException e) {
            logger.error("http工具类执行post请求时出现ParseException异常!");
            e.printStackTrace();
        } catch (IOException e) {
            logger.error("http工具类执行post请求时出现IOException异常!");
            e.printStackTrace();
        } finally {
            post.releaseConnection();
        }
        return text;
    }
}

街道任务要求写一个远程调用API数据接口，基于HTTP请求下，就考虑到使用httpclient的get和post请求，只是前期代码中没有考虑请求超时或者链接超时的问题，后期根据具体情况进行配置。