package com.lh.utils; import java.io.IOException; import java.util.ArrayList; import java.util.List; import java.util.Map; import org.apache.http.Consts; import org.apache.http.HttpEntity; import org.apache.http.NameValuePair; 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.entity.StringEntity; 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; /** * @author Wiker Yong Email:<a href="mailto:[email protected]">[email protected]</a> * @date 2013-11-8 下午7:22:43 * @version 1.0-SNAPSHOT */ public class HttpUtil { private static final Logger log = LoggerFactory.getLogger(HttpUtils.class); private static final CloseableHttpClient httpclient = HttpClients.createDefault(); private static final String userAgent = "Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.87 Safari/537.36"; /** * 发送HttpGet请求 * * @param url * 请求地址 * @return 返回字符串 */ public static String sendGet(String url, String token) { String result = null; CloseableHttpResponse response = null; try { HttpGet httpGet = new HttpGet(url); httpGet.setHeader("User-Agent", userAgent); httpGet.setHeader("Authorization", "token " + token); response = httpclient.execute(httpGet); HttpEntity entity = response.getEntity(); if (entity != null) { result = EntityUtils.toString(entity); } } catch (Exception e) { log.error("处理失败 {}" + e); e.printStackTrace(); } finally { if (response != null) { try { response.close(); } catch (IOException e) { log.error(e.getMessage()); } } } return result; } /** * 发送HttpPost请求,参数为map * * @param url * 请求地址 * @param map * 请求参数 * @return 返回字符串 */ public static String sendPost(String url, Map<String, String> map) { // 设置参数 List<NameValuePair> formparams = new ArrayList<NameValuePair>(); for (Map.Entry<String, String> entry : map.entrySet()) { formparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue())); } // 编码 UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(formparams, Consts.UTF_8); // 取得HttpPost对象 HttpPost httpPost = new HttpPost(url); // 防止被当成攻击添加的 httpPost.setHeader("User-Agent", userAgent); httpPost.setHeader("X-Gaia-Api-Key","bcfd76cd-316c-41ac-af0b-e159c579f80a"); // 参数放入Entity httpPost.setEntity(formEntity); CloseableHttpResponse response = null; String result = null; try { // 执行post请求 response = httpclient.execute(httpPost); // 得到entity HttpEntity entity = response.getEntity(); // 得到字符串 result = EntityUtils.toString(entity); } catch (IOException e) { log.error(e.getMessage()); } finally { if (response != null) { try { response.close(); } catch (IOException e) { log.error(e.getMessage()); } } } return result; } /** * 发送HttpPost请求,参数为json字符串 * * @param url * @param jsonStr * @return */ public static String sendPost(String url, String jsonStr) { String result = null; // 字符串编码 StringEntity entity = new StringEntity(jsonStr, Consts.UTF_8); // 设置content-type entity.setContentType("application/json"); HttpPost httpPost = new HttpPost(url); // 防止被当成攻击添加的 httpPost.setHeader("User-Agent", userAgent); // 接收参数设置 httpPost.setHeader("Accept", "application/json"); httpPost.setEntity(entity); CloseableHttpResponse response = null; try { response = httpclient.execute(httpPost); HttpEntity httpEntity = response.getEntity(); result = EntityUtils.toString(httpEntity); } catch (IOException e) { log.error(e.getMessage()); } finally { // 关闭CloseableHttpResponse if (response != null) { try { response.close(); } catch (IOException e) { log.error(e.getMessage()); } } } return result; } /** * 发送不带参数的HttpPost请求 * * @param url * @return */ public static String sendPost(String url) { String result = null; // 得到一个HttpPost对象 HttpPost httpPost = new HttpPost(url); // 防止被当成攻击添加的 httpPost.setHeader("User-Agent", userAgent); CloseableHttpResponse response = null; try { // 执行HttpPost请求,并得到一个CloseableHttpResponse response = httpclient.execute(httpPost); // 从CloseableHttpResponse中拿到HttpEntity HttpEntity entity = response.getEntity(); // 将HttpEntity转换为字符串 result = EntityUtils.toString(entity); } catch (IOException e) { log.error(e.getMessage()); } finally { // 关闭CloseableHttpResponse if (response != null) { try { response.close(); } catch (IOException e) { log.error(e.getMessage()); } } } return result; } }