HttpClientUtil工具类封装

package com.jd.ng.shiro.utils;

import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
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.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

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

/**

• @Author: husToy.Wang

• @Date: 2019/8/5 9:38

• @Version 1.0
  */
  public class HttpClientUtil {

  private static final Logger logger = LoggerFactory.getLogger(HttpClientUtil.class);

  /**

  • 封装 doGet方法，执行

  • @param url

  • @return
    */
    public static String doGet(String url) {

    CloseableHttpClient httpClient = HttpClients.createDefault();

    HttpGet httpGet = new HttpGet(url);

    /**

    • 设置请求头
      */
      //httpGet.setHeader(new BasicHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8"));

    CloseableHttpResponse response = null;

    try {
    response = httpClient.execute(httpGet);

    if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
    HttpEntity entity = response.getEntity();

    String result = EntityUtils.toString(entity, "UTF-8");

    EntityUtils.consume(entity);

    httpClient.close();

    return result;
    }
    httpClient.close();
    } catch (IOException e) {
    logger.error("httpClient.doGet.error:{}", e.getMessage());
    return null;
    }

    return null;
    }

  /**

  • 封装 post请求

  • @return
    */
    public static String doPost(String url) throws IOException {
    String result = null;

    CloseableHttpClient httpClient = HttpClients.createDefault();

    CloseableHttpResponse response = null;

    try {

    HttpPost httpPost = new HttpPost(url);

    // 定义请求的配置
    RequestConfig config = RequestConfig.custom().setSocketTimeout(20000).setConnectTimeout(2000).build();
    httpPost.setConfig(config);

    List parameters = new ArrayList(0);
    parameters.add(new BasicNameValuePair("scope", "project"));
    parameters.add(new BasicNameValuePair("q", "java"));

    // 提交参数发送请求
    UrlEncodedFormEntity urlEncodedFormEntity = new UrlEncodedFormEntity(parameters);

    // 请求中设置请求体
    httpPost.setEntity(urlEncodedFormEntity);

    // 如果需要，设置请求头,多个请求头
    //Header[] headers = {new BasicHeader("Content-Type","application/x-www-form-urlencoded; charset=utf-8")};
    //httpPost.setHeaders(headers);

    response = httpClient.execute(httpPost);

    HttpEntity entity = response.getEntity();

    if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {

    result = EntityUtils.toString(entity, "UTF-8");

    EntityUtils.consume(entity);
    httpClient.close();
    return result;
    }

    } catch (Exception e) {
    logger.error("httpClient.doPost.error:{}", e.getMessage());
    return null;
    }

    return null;
    }

}