HttpClient4.5实现http与https请求，解决之前方法过时问题
2024-04-22 10:06:07
前言
最近项目正在筹备上线，发现 HttpClient 中的很多类和方法都已经过时了，虽然并不影响功能的实现，但是看着确实让人捉急
，所以，索性抽了点时间把它给改了。今天就来分享一下。。。
之前的代码
先看看之前的代码吧：以下是之前的过时代码（部分，完整代码在文章末会贴出git地址）
private static void sslClient(HttpClient httpClient) {try {SSLContext ctx = SSLContext.getInstance("TLS");X509TrustManager tm = new X509TrustManager() {@Override public X509Certificate[] getAcceptedIssuers() {return null;}@Override public void checkClientTrusted(X509Certificate[] xcs, String str) {}@Override public void checkServerTrusted(X509Certificate[] xcs, String str) {}};ctx.init(null, new TrustManager[] { tm }, null);SSLSocketFactory ssf = new SSLSocketFactory(ctx);ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);ClientConnectionManager ccm = httpClient.getConnectionManager();SchemeRegistry registry = ccm.getSchemeRegistry();registry.register(new Scheme("https", 443, ssf));} catch (KeyManagementException ex) {throw new RuntimeException(ex);} catch (NoSuchAlgorithmException ex) {throw new RuntimeException(ex);}}
修改后的代码
/*** 在调用SSL之前需要重写验证方法，取消检测SSL* 创建ConnectionManager，添加Connection配置信息* @return HttpClient 支持https*/private static HttpClient sslClient() {try {// 在调用SSL之前需要重写验证方法，取消检测SSLX509TrustManager trustManager = new X509TrustManager() {@Override public X509Certificate[] getAcceptedIssuers() {return null;}@Override public void checkClientTrusted(X509Certificate[] xcs, String str) {}@Override public void checkServerTrusted(X509Certificate[] xcs, String str) {}};SSLContext ctx = SSLContext.getInstance(SSLConnectionSocketFactory.TLS);ctx.init(null, new TrustManager[] { trustManager }, null);SSLConnectionSocketFactory socketFactory = new SSLConnectionSocketFactory(ctx, NoopHostnameVerifier.INSTANCE);// 创建RegistryRequestConfig requestConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.STANDARD_STRICT).setExpectContinueEnabled(Boolean.TRUE).setTargetPreferredAuthSchemes(Arrays.asList(AuthSchemes.NTLM,AuthSchemes.DIGEST)).setProxyPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC)).build();Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create().register("http", PlainConnectionSocketFactory.INSTANCE).register("https",socketFactory).build();// 创建ConnectionManager，添加Connection配置信息PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(socketFactoryRegistry);CloseableHttpClient closeableHttpClient = HttpClients.custom().setConnectionManager(connectionManager).setDefaultRequestConfig(requestConfig).build();return closeableHttpClient;} catch (KeyManagementException ex) {throw new RuntimeException(ex);} catch (NoSuchAlgorithmException ex) {throw new RuntimeException(ex);}}完整代码（HttpUtils）
package com.space.utils.http;import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.AuthSchemes;
import org.apache.http.client.config.CookieSpecs;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;/*** http请求工具类* @author zhuzhe* @date 2018/5/3 11:46*/
public class HttpUtils {/*** get** @param host* @param path** @param headers* @param querys* @return* @throws Exception*/public static HttpResponse doGet(String host, String path,Map<String, String> headers,Map<String, String> querys)throws Exception {HttpClient httpClient = wrapClient(host,path);HttpGet request = new HttpGet(buildUrl(host, path, querys));for (Map.Entry<String, String> e : headers.entrySet()) {request.addHeader(e.getKey(), e.getValue());}return httpClient.execute(request);}/*** post form** @param host* @param path** @param headers* @param querys* @param bodys* @return* @throws Exception*/public static HttpResponse doPost(String host, String path,Map<String, String> headers,Map<String, String> querys,Map<String, String> bodys)throws Exception {HttpClient httpClient = wrapClient(host,path);HttpPost request = new HttpPost(buildUrl(host, path, querys));for (Map.Entry<String, String> e : headers.entrySet()) {request.addHeader(e.getKey(), e.getValue());}if (bodys != null) {List<NameValuePair> nameValuePairList = new ArrayList<NameValuePair>();for (String key : bodys.keySet()) {nameValuePairList.add(new BasicNameValuePair(key, bodys.get(key)));}UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(nameValuePairList, "utf-8");formEntity.setContentType("application/x-www-form-urlencoded; charset=UTF-8");request.setEntity(formEntity);}return httpClient.execute(request);}/*** Post String** @param host* @param path** @param headers* @param querys* @param body* @return* @throws Exception*/public static HttpResponse doPost(String host, String path,Map<String, String> headers,Map<String, String> querys,String body)throws Exception {HttpClient httpClient = wrapClient(host,path);HttpPost request = new HttpPost(buildUrl(host, path, querys));for (Map.Entry<String, String> e : headers.entrySet()) {request.addHeader(e.getKey(), e.getValue());}if (StringUtils.isNotBlank(body)) {request.setEntity(new StringEntity(body, "utf-8"));}return httpClient.execute(request);}/*** Post stream** @param host* @param path** @param headers* @param querys* @param body* @return* @throws Exception*/public static HttpResponse doPost(String host, String path,Map<String, String> headers,Map<String, String> querys,byte[] body)throws Exception {HttpClient httpClient = wrapClient(host,path);HttpPost request = new HttpPost(buildUrl(host, path, querys));for (Map.Entry<String, String> e : headers.entrySet()) {request.addHeader(e.getKey(), e.getValue());}if (body != null) {request.setEntity(new ByteArrayEntity(body));}return httpClient.execute(request);}/*** Put String* @param host* @param path** @param headers* @param querys* @param body* @return* @throws Exception*/public static HttpResponse doPut(String host, String path,Map<String, String> headers,Map<String, String> querys,String body)throws Exception {HttpClient httpClient = wrapClient(host,path);HttpPut request = new HttpPut(buildUrl(host, path, querys));for (Map.Entry<String, String> e : headers.entrySet()) {request.addHeader(e.getKey(), e.getValue());}if (StringUtils.isNotBlank(body)) {request.setEntity(new StringEntity(body, "utf-8"));}return httpClient.execute(request);}/*** Put stream* @param host* @param path** @param headers* @param querys* @param body* @return* @throws Exception*/public static HttpResponse doPut(String host, String path,Map<String, String> headers,Map<String, String> querys,byte[] body)throws Exception {HttpClient httpClient = wrapClient(host,path);HttpPut request = new HttpPut(buildUrl(host, path, querys));for (Map.Entry<String, String> e : headers.entrySet()) {request.addHeader(e.getKey(), e.getValue());}if (body != null) {request.setEntity(new ByteArrayEntity(body));}return httpClient.execute(request);}/*** Delete** @param host* @param path** @param headers* @param querys* @return* @throws Exception*/public static HttpResponse doDelete(String host, String path,Map<String, String> headers,Map<String, String> querys)throws Exception {HttpClient httpClient = wrapClient(host,path);HttpDelete request = new HttpDelete(buildUrl(host, path, querys));for (Map.Entry<String, String> e : headers.entrySet()) {request.addHeader(e.getKey(), e.getValue());}return httpClient.execute(request);}/*** 构建请求的 url* @param host* @param path* @param querys* @return* @throws UnsupportedEncodingException*/private static String buildUrl(String host, String path, Map<String, String> querys) throws UnsupportedEncodingException {StringBuilder sbUrl = new StringBuilder();if (!StringUtils.isBlank(host)) {sbUrl.append(host);}if (!StringUtils.isBlank(path)) {sbUrl.append(path);}if (null != querys) {StringBuilder sbQuery = new StringBuilder();for (Map.Entry<String, String> query : querys.entrySet()) {if (0 < sbQuery.length()) {sbQuery.append("&");}if (StringUtils.isBlank(query.getKey()) && !StringUtils.isBlank(query.getValue())) {sbQuery.append(query.getValue());}if (!StringUtils.isBlank(query.getKey())) {sbQuery.append(query.getKey());if (!StringUtils.isBlank(query.getValue())) {sbQuery.append("=");sbQuery.append(URLEncoder.encode(query.getValue(), "utf-8"));}}}if (0 < sbQuery.length()) {sbUrl.append("?").append(sbQuery);}}return sbUrl.toString();}/*** 获取 HttpClient* @param host* @param path* @return*/private static HttpClient wrapClient(String host,String path) {HttpClient httpClient = HttpClientBuilder.create().build();if (host != null && host.startsWith("https://")) {return sslClient();}else if (StringUtils.isBlank(host) && path != null && path.startsWith("https://")) {return sslClient();}return httpClient;}/*** 在调用SSL之前需要重写验证方法，取消检测SSL* 创建ConnectionManager，添加Connection配置信息* @return HttpClient 支持https*/private static HttpClient sslClient() {try {// 在调用SSL之前需要重写验证方法，取消检测SSLX509TrustManager trustManager = new X509TrustManager() {@Override public X509Certificate[] getAcceptedIssuers() {return null;}@Override public void checkClientTrusted(X509Certificate[] xcs, String str) {}@Override public void checkServerTrusted(X509Certificate[] xcs, String str) {}};SSLContext ctx = SSLContext.getInstance(SSLConnectionSocketFactory.TLS);ctx.init(null, new TrustManager[] { trustManager }, null);SSLConnectionSocketFactory socketFactory = new SSLConnectionSocketFactory(ctx, NoopHostnameVerifier.INSTANCE);// 创建RegistryRequestConfig requestConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.STANDARD_STRICT).setExpectContinueEnabled(Boolean.TRUE).setTargetPreferredAuthSchemes(Arrays.asList(AuthSchemes.NTLM,AuthSchemes.DIGEST)).setProxyPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC)).build();Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create().register("http", PlainConnectionSocketFactory.INSTANCE).register("https",socketFactory).build();// 创建ConnectionManager，添加Connection配置信息PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(socketFactoryRegistry);CloseableHttpClient closeableHttpClient = HttpClients.custom().setConnectionManager(connectionManager).setDefaultRequestConfig(requestConfig).build();return closeableHttpClient;} catch (KeyManagementException ex) {throw new RuntimeException(ex);} catch (NoSuchAlgorithmException ex) {throw new RuntimeException(ex);}}/*** 将结果转换成JSONObject* @param httpResponse* @return* @throws IOException*/public static JSONObject getJson(HttpResponse httpResponse) throws IOException {HttpEntity entity = httpResponse.getEntity();String resp = EntityUtils.toString(entity, "UTF-8");EntityUtils.consume(entity);return JSON.parseObject(resp);}
}这是我的github: https://github.com/zhuzhegithub/utils
转载请务必保留此出处（原作者）：https://blog.csdn.net/zhuzhezhuzhe1
版权声明：本文为原创文章，允许转载，转载时请务必以超链接形式标明文章 原始出处 、作者信息和本声明。
https://blog.csdn.net/zhuzhezhuzhe1
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