httpclient 实现https请求
httpclient 实现https请求，4.4版本之后，工具类如下：
package com.auth.verification;import java.io.IOException;import java.security.KeyManagementException;import java.security.KeyStoreException;import java.security.NoSuchAlgorithmException;import java.security.cert.CertificateException;import java.security.cert.X509Certificate;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import javax.net.ssl.HostnameVerifier;import javax.net.ssl.SSLContext;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.HttpPost;import org.apache.http.conn.ssl.NoopHostnameVerifier;import org.apache.http.conn.ssl.SSLConnectionSocketFactory;import org.apache.http.conn.ssl.TrustStrategy;import org.apache.http.impl.client.CloseableHttpClient;import org.apache.http.impl.client.HttpClients;import org.apache.http.message.BasicNameValuePair;import org.apache.http.ssl.SSLContextBuilder;import org.apache.http.util.EntityUtils;import org.slf4j.Logger;import org.slf4j.LoggerFactory;public class HttpsUtils { private static Logger logger = LoggerFactory.getLogger(HttpsUtils.class); static CloseableHttpClient httpClient; static CloseableHttpResponse httpResponse; public static CloseableHttpClient createSSLClientDefault() { try { SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() { // 信任所有 public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException { retu true; } }).build(); HostnameVerifier hostnameVerifier = NoopHostnameVerifier.INSTANCE; SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext, hostnameVerifier); retu HttpClients.custom().setSSLSocketFactory(sslsf).build(); } catch (KeyManagementException e) { e.printStackTrace(); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } catch (KeyStoreException e) { e.printStackTrace(); } retu HttpClients.createDefault(); } /** * 发送https请求 * * @param jsonPara * @throws Exception */ public static String sendByHttp(Map<String, Object> params, String url) { try { HttpPost httpPost = new HttpPost(url); List<NameValuePair> listNVP = new ArrayList<NameValuePair>(); if (params != null) { for (String key : params.keySet()) { listNVP.add(new BasicNameValuePair(key, params.get(key).toString())); } } UrlEncodedFormEntity entity = new UrlEncodedFormEntity(listNVP, "UTF-8"); logger.info("创建请求httpPost-URL={},params={}", url, listNVP); httpPost.setEntity(entity); httpClient = HttpsUtils.createSSLClientDefault(); httpResponse = httpClient.execute(httpPost); HttpEntity httpEntity = httpResponse.getEntity(); if (httpEntity != null) { String jsObject = EntityUtils.toString(httpEntity, "UTF-8"); retu jsObject; } else { retu null; } } catch (Exception e) { e.printStackTrace(); retu null; } finally { try { httpResponse.close(); httpClient.close(); logger.info("请求流关闭完成"); } catch (IOException e) { logger.info("请求流关闭出错"); e.printStackTrace(); } } } public static void main(String[] args) throws Exception { Map<String, Object> map = new HashMap<>(); map.put("authCode", "FX:123"); map.put("userName", "jianghaida"); map.put("pwd", "jianghaida"); System.out.println(HttpsUtils.sendByHttp(map, "https://localhost:8010/postDoc"));; }}http://blog.csdn.net/rongyongfeikai2/article/details/41659353/
代码都以测试过，可用
作者：流云风
来源链接：https://blog.csdn.net/Cloud_July/article/details/73301805
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