1. compile ‘commons-httpclient:commons-httpclient:3.1‘
2.工具类【根据需求改编】
package util;import com.alibaba.fastjson.JSONObject;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 java.io.IOException;/** * HttpClient4.3工具类 * @author hang.luo */public class HttpClientUtils{ ???private static Logger logger = LoggerFactory.getLogger(HttpClientUtils.class); // 日志记录 ???private static RequestConfig requestConfig = null; ???static ???{ ???????// 设置请求和传输超时时间 ???????requestConfig = RequestConfig.custom().setSocketTimeout(2000).setConnectTimeout(2000).build(); ???} ???/** ????* post请求传输json参数 ????* @param url ?url地址 ????* @param json 参数 ????* @return ????*/ ???public static JSONObject httpPost(String url, JSONObject jsonParam) ???{ ???????// post请求返回结果 ???????CloseableHttpClient httpClient = HttpClients.createDefault(); ???????JSONObject jsonResult = null; ???????HttpPost httpPost = new HttpPost(url); ???????// 设置请求和传输超时时间 ???????httpPost.setConfig(requestConfig); ???????try ???????{ ???????????if (null != jsonParam) ???????????{ ???????????????// 解决中文乱码问题 ???????????????StringEntity entity = new StringEntity(jsonParam.toString(), "utf-8"); ???????????????entity.setContentEncoding("UTF-8"); ???????????????entity.setContentType("application/json"); ???????????????httpPost.setEntity(entity); ???????????} ???????????CloseableHttpResponse result = httpClient.execute(httpPost); ???????????// 请求发送成功,并得到响应 ???????????if (result.getStatusLine().getStatusCode() == HttpStatus.SC_OK) ???????????{ ???????????????String str = ""; ???????????????try ???????????????{ ???????????????????// 读取服务器返回过来的json字符串数据 ???????????????????str = EntityUtils.toString(result.getEntity(), "utf-8"); ???????????????????// 把json字符串转换成json对象 ???????????????????jsonResult = JSONObject.parseObject(str); ???????????????} ???????????????catch (Exception e) ???????????????{ ???????????????????logger.error("post请求提交失败:" + url, e); ???????????????} ???????????} ???????} ???????catch (IOException e) ???????{ ???????????logger.error("post请求提交失败:" + url, e); ???????} ???????finally ???????{ ???????????httpPost.releaseConnection(); ???????} ???????return jsonResult; ???} ???/** ????* post请求传输String参数 例如:name=Jack&sex=1&type=2 ????* Content-type:application/x-www-form-urlencoded ????* @param url ???????????url地址 ????* @param strParam ??????参数 ????* @return ????*/ ???public static JSONObject httpPost(String url, String strParam) ???{ ???????// post请求返回结果 ???????CloseableHttpClient httpClient = HttpClients.createDefault(); ???????JSONObject jsonResult = null; ???????HttpPost httpPost = new HttpPost(url); ???????httpPost.setConfig(requestConfig); ???????try ???????{ ???????????if (null != strParam) ???????????{ ???????????????// 解决中文乱码问题 ???????????????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); ???????????// 请求发送成功,并得到响应 ???????????if (result.getStatusLine().getStatusCode() == HttpStatus.SC_OK) ???????????{ ???????????????String str = ""; ???????????????try ???????????????{ ???????????????????// 读取服务器返回过来的json字符串数据 ???????????????????str = EntityUtils.toString(result.getEntity(), "utf-8"); ???????????????????// 把json字符串转换成json对象 ???????????????????jsonResult = JSONObject.parseObject(str); ???????????????} ???????????????catch (Exception e) ???????????????{ ???????????????????logger.error("post请求提交失败:" + url, e); ???????????????} ???????????} ???????} ???????catch (IOException e) ???????{ ???????????logger.error("post请求提交失败:" + url, e); ???????} ???????finally ???????{ ???????????httpPost.releaseConnection(); ???????} ???????return jsonResult; ???} ???/** ????* 发送get请求 ????* @param url 路径 ????* @return ????*/ ???public static JSONObject httpGet(String url) ???{ ???????// get请求返回结果 ???????JSONObject jsonResult = null; ???????CloseableHttpClient client = HttpClients.createDefault(); ???????// 发送get请求 ???????HttpGet request = new HttpGet(url); ???????request.setConfig(requestConfig); ???????try ???????{ ???????????CloseableHttpResponse response = client.execute(request); ???????????// 请求发送成功,并得到响应 ???????????if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) ???????????{ ???????????????// 读取服务器返回过来的json字符串数据 ???????????????HttpEntity entity = response.getEntity(); ???????????????String strResult = EntityUtils.toString(entity, "utf-8"); ???????????????// 把json字符串转换成json对象 ???????????????jsonResult = JSONObject.parseObject(strResult); ???????????} ???????????else ???????????{ ???????????????logger.error("get请求提交失败:" + url); ???????????} ???????} ???????catch (IOException e) ???????{ ???????????logger.error("get请求提交失败:" + url, e); ???????} ???????finally ???????{ ???????????request.releaseConnection(); ???????} ???????return jsonResult; ???}}
来源 https://www.cnblogs.com/luohero/p/7792260.html
gradle ??httpclient
原文地址:https://www.cnblogs.com/lhblog1994/p/9704183.html