所需jar：commons-logging-1.1.3.jar、httpclient-4.3.1.jar、httpcore-4.3.jar
package com.onlyou.microfinance.common.util;import java.security.KeyManagementException;import java.security.NoSuchAlgorithmException;import java.security.cert.X509Certificate;import java.util.ArrayList;import java.util.List;import java.util.Map;import javax.net.ssl.SSLContext;import javax.net.ssl.TrustManager;import javax.net.ssl.X509TrustManager;import org.apache.http.HttpEntity;import org.apache.http.HttpHeaders;import org.apache.http.HttpHost;import org.apache.http.HttpResponse;import org.apache.http.NameValuePair;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.conn.ssl.SSLConnectionSocketFactory;import org.apache.http.impl.client.CloseableHttpClient;import org.apache.http.impl.client.HttpClients;import org.apache.http.message.BasicNameValuePair;/** * https封装类，支持get、post * * @author Administrator * */public class HttpsUtil { private static CloseableHttpClient client=null; private static CloseableHttpClient createHttpsClient() { if(client!=null){ return client; } try { X509TrustManager x509mgr = new X509TrustManager() { @Override public void checkClientTrusted(X509Certificate[] xcs, String string) { } @Override public void checkServerTrusted(X509Certificate[] xcs, String string) { } @Override public X509Certificate[] getAcceptedIssuers() { return null; } }; SSLContext sslContext = SSLContext.getInstance("TLS"); sslContext.init(null, new TrustManager[]{x509mgr}, null); SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext, SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER); client=HttpClients.custom().setSSLSocketFactory(sslsf).build(); return client; } catch (KeyManagementException e) { e.printStackTrace(); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } return HttpClients.createDefault(); } public static HttpEntity doGetByHttps(String url, String host, String cacheControl, String contentType, String acceptCharset, String pragma, String accept, String acceptEncoding, String referer) throws Exception { CloseableHttpClient client = createHttpsClient(); HttpHost httpHost = new HttpHost(host, 443, "https"); HttpGet httpGet = new HttpGet(url); httpGet.addHeader(HttpHeaders.CACHE_CONTROL, cacheControl); httpGet.addHeader(HttpHeaders.CONTENT_TYPE, contentType); httpGet.addHeader(HttpHeaders.ACCEPT_CHARSET, acceptCharset); httpGet.addHeader(HttpHeaders.PRAGMA, pragma); httpGet.addHeader(HttpHeaders.ACCEPT, accept); httpGet.addHeader(HttpHeaders.ACCEPT_ENCODING, acceptEncoding); httpGet.addHeader(HttpHeaders.USER_AGENT, "Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2471.0 Safari/537.36"); httpGet.addHeader(HttpHeaders.REFERER, referer); HttpResponse response = client.execute(httpHost, httpGet); HttpEntity entity = response.getEntity(); if (null != entity) { //String result = EntityUtils.toString(httpEntity); //byte[] data = EntityUtils.toByteArray(httpEntity); return entity; } else { return null; } } public static HttpEntity doGetByHttps(String url, String host, String contentType, String referer) throws Exception { return doGetByHttps(url, host, "no-cache", contentType, "utf-8", "no-cache", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", "gzip, deflate, sdch", referer) ; } public static HttpEntity doPostByHttps(String url, String host, String cacheControl, String contentType, String acceptCharset, String pragma, String accept, String acceptEncoding, String referer, Map paramMap) { HttpHost httpHost = new HttpHost(host, 443, "https"); HttpPost httpRequst = new HttpPost(url); httpRequst.addHeader(HttpHeaders.CACHE_CONTROL, cacheControl); httpRequst.addHeader(HttpHeaders.CONTENT_TYPE, contentType); httpRequst.addHeader(HttpHeaders.ACCEPT_CHARSET, acceptCharset); httpRequst.addHeader(HttpHeaders.PRAGMA, pragma); httpRequst.addHeader(HttpHeaders.ACCEPT, accept); httpRequst.addHeader(HttpHeaders.ACCEPT_ENCODING, acceptEncoding); httpRequst.addHeader(HttpHeaders.USER_AGENT, "Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2471.0 Safari/537.36"); httpRequst.addHeader(HttpHeaders.REFERER, referer); List params = new ArrayList<>(); if (paramMap != null && !paramMap.isEmpty()) { for (String key : paramMap.keySet()) { params.add(new BasicNameValuePair(key, (String) paramMap.get(key))); } } try { httpRequst.setEntity(new UrlEncodedFormEntity(params)); CloseableHttpClient client = createHttpsClient(); HttpResponse httpResponse = client.execute(httpHost, httpRequst); if (httpResponse.getStatusLine().getStatusCode() == 200) { HttpEntity httpEntity = httpResponse.getEntity(); //String result = EntityUtils.toString(httpEntity); //byte[] data = EntityUtils.toByteArray(httpEntity); return httpEntity; } } catch (Exception e) { e.printStackTrace(); } return null; } public static HttpEntity doPostByHttps(String url, String host, String contentType, String referer, Map paramMap) throws Exception { return doPostByHttps(url, host, "no-cache", contentType, "utf-8", "no-cache", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", "gzip, deflate, sdch", referer, paramMap) ; }}
调用示例：
HttpEntity loginEntity = HttpsUtil.doPostByHttps(url, "ipcrs.pbccrc.org.cn", "application/x-www-form-urlencoded", "https://*/page/login/loginreg.jsp", map);HttpEntity entity = HttpsUtil.doGetByHttps(url, host, "image/jpeg", "https://*/page/login/loginreg.jsp");