可以用于远程调用POST方式接口，GET方式接口，且里面包括了跳过SSL验证方法 。
并且在常用的方法下，有注释掉的调用举例：
import com.alibaba.fastjson.JSONObject;
import org.apache.commons.lang.StringUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.HttpClient;
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.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
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.BasicCredentialsProvider;
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.message.BasicHeader;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.CoreConnectionPNames;
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.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
public class HttpsUtils {
/**
* 常用的GET方式
* get （@RequestParam("vin")String vin可以接收）
*
* @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);
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);
}
/**
* 调用例子 doGet
*/
// @GetMapping("/doGetTest")
// public String doGetTest() throws Exception {
// String IP = "http://localhost:8075";
// String path="/testTest";
// Map<String, String> headers = new HashMap<String, String>();
// //headers.put("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
// Map<String, String> querys = new HashMap<String, String>();
// querys.put("vin","VIN223333");
// querys.put("sn","SN666666666");
// HttpResponse response = HttpsUtils.doGet(IP, path, headers, querys);
// 得到返回的参数
// String getResponse = EntityUtils.toString(response.getEntity());
//
// return getResponse;
// }
/**
* 常用的Post方式
* Post String (传递json格式的String，@RequestBody String testData 可以接收)
* 对于得到参数格式为：{"vin":"VIN223333","sn":"SN666666666"}
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @param body
* @return
* @throws Exception
*/
public static HttpResponse doPost(String host, String path, String method,
Map<String, String> headers,
Map<String, String> querys,
String body)
throws Exception {
HttpClient httpClient = wrapClient(host);
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);
}
/**
* 调用例子 doPost
*/
// @PostMapping("/doPostTest")
// public String doPostTest() throws Exception {
// String IP = "http://localhost:8075";
// String path="/testPostTest";
// Map<String, String> headers = new HashMap<String, String>();
// headers.put("Content-Type", "application/json; charset=UTF-8");
// Map<String, String> querys = new HashMap<String, String>();
//
// Map<String, String> bodys = new HashMap<String, String>();
// bodys.put("vin","VIN223333");
// bodys.put("sn","SN666666666");
// String jsonStr= JSONObject.toJSONString(bodys);
//
// HttpResponse response = HttpsUtils.doPost(IP, path,"POST", headers, querys,jsonStr);
// 得到返回的参数
// String getResponse = EntityUtils.toString(response.getEntity());
//
// return getResponse;
// }
/**
* basic auth认证 Get方式
*/
public static String doGetWithBasicAuth(String url, String basic_userName, String basic_password) throws IOException {
// 创建HttpClientBuilder
HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
// 设置BasicAuth
CredentialsProvider provider = new BasicCredentialsProvider();
// Create the authentication scope
AuthScope scope = new AuthScope(AuthScope.ANY_HOST, AuthScope.ANY_PORT, AuthScope.ANY_REALM);
// Create credential pair，在此处填写用户名和密码
UsernamePasswordCredentials credentials = new UsernamePasswordCredentials(basic_userName, basic_password);
// Inject the credentials
provider.setCredentials(scope, credentials);
// Set the default credentials provider
httpClientBuilder.setDefaultCredentialsProvider(provider);
// HttpClient
CloseableHttpClient closeableHttpClient = httpClientBuilder.build();
String result = "";
HttpGet httpGet = null;
HttpResponse httpResponse = null;
HttpEntity entity = null;
httpGet = new HttpGet(url);
try {
httpResponse = closeableHttpClient.execute(httpGet);
entity = httpResponse.getEntity();
if (entity != null) {
result = EntityUtils.toString(entity);
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
// 关闭连接
closeableHttpClient.close();
return result;
}
/**
* 调用举例
*/
// String url = "http://140.xxx.22.xxx:18089/apxxx/" + vin;
// //basic auth中的用户名和密码
// String basic_userName = "admin";
// String basic_password = "public";
// 得到返回的参数
// String resultStr = HttpClientUtilCIV.doGetWithBasicAuth(url, basic_userName, basic_password);
/**
* post form（传递的是用&符号连接的字符串，@RequestBody String testData可以接收）
* 对于得到参数格式为：vin=111&sn=12335
* @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);
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 stream
*
* @param host
* @param path
* @param method
* @param headers
* @param querys
* @param body
* @return
* @throws Exception
*/
public static HttpResponse doPost(String host, String path, String method,
Map<String, String> headers,
Map<String, String> querys,
byte[] body)
throws Exception {
HttpClient httpClient = wrapClient(host);
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 method
* @param headers
* @param querys
* @param body
* @return
* @throws Exception
*/
public static HttpResponse doPut(String host, String path, String method,
Map<String, String> headers,
Map<String, String> querys,
String body)
throws Exception {
HttpClient httpClient = wrapClient(host);
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 method
* @param headers
* @param querys
* @param body
* @return
* @throws Exception
*/
public static HttpResponse doPut(String host, String path, String method,
Map<String, String> headers,
Map<String, String> querys,
byte[] body)
throws Exception {
HttpClient httpClient = wrapClient(host);
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 method
* @param headers
* @param querys
* @return
* @throws Exception
*/
public static HttpResponse doDelete(String host, String path, String method,
Map<String, String> headers,
Map<String, String> querys)
throws Exception {
HttpClient httpClient = wrapClient(host);
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);
}
@SuppressWarnings("resource")
public static String doPost(String host, String path,String jsonstr,String charset){
String url=host+path;
HttpClient httpClient = null;
HttpPost httpPost = null;
String result = null;
try{
httpClient = wrapClient(host);
//------------------------------4.1,4.2 版本设置时间-----------------------------
//设置连接时间
httpClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 30000);
//设置数据传输时间
httpClient.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT, 30000);
httpPost = new HttpPost(url);
httpPost.addHeader("Content-Type", "application/json");
//此处是将请求体封装成为了StringEntity,若乱码则指定utf-8
//StringEntity se = new StringEntity(jsonstr,"utf-8");
StringEntity se = new StringEntity(jsonstr);
se.setContentType("text/json");
se.setContentEncoding(new BasicHeader("Content-Type", "application/json"));
httpPost.setEntity(se);
HttpResponse response = httpClient.execute(httpPost);
if(response != null){
HttpEntity resEntity = response.getEntity();
if(resEntity != null){
result = EntityUtils.toString(resEntity,charset);
}
}
}catch(Exception ex){
// ex.printStackTrace();
//连接超时或者数据传输时间超时
String apiResult="timeOut";
return apiResult;
}
return result;
}
/**
*doPost 举例
*/
// String IP = "http://localhost:8075";
// String path="/testPostTest";
// Map<String, String> bodys = new HashMap<String, String>();
// bodys.put("vin","VIN223333");
// bodys.put("sn","SN666666666");
// String jsonStr= JSONObject.toJSONString(bodys);
// String resultStr= HttpsUtils.doPost(IP,path,jsonStr, "utf-8");
// return resultStr;
// }
/**
* 拼接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();
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();
}
private static HttpClient wrapClient(String host) {
HttpClient httpClient = new DefaultHttpClient();
if (host.startsWith("https://")) {
sslClient(httpClient);
}
return httpClient;
}
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[] x509Certificates, String s) throws CertificateException {
}
};
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);
}
}
接下来这个工具类是post请求，里面有关于设置BASEAUTH 认证的，
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.ParseException;
import org.apache.http.client.ClientProtocolException;
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.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicHeader;
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.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.util.Base64;
/**
* @Author：JCccc
* @Description：
* @Date： created in 15:21 2019/4/11
*/
public class HttpUtil {
/**
* 绕过验证
*
* @return
* @throws NoSuchAlgorithmException
* @throws KeyManagementException
*/
public static SSLContext createIgnoreVerifySSL() throws NoSuchAlgorithmException, KeyManagementException {
SSLContext sc = SSLContext.getInstance("SSLv3");
// 实现一个X509TrustManager接口，用于绕过验证，不用修改里面的方法
X509TrustManager trustManager = new X509TrustManager() {
@Override
public void checkClientTrusted(
java.security.cert.X509Certificate[] paramArrayOfX509Certificate,
String paramString) throws CertificateException {
}
@Override
public void checkServerTrusted(
java.security.cert.X509Certificate[] paramArrayOfX509Certificate,
String paramString) throws CertificateException {
}
@Override
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return null;
}
};
sc.init(null, new TrustManager[]{trustManager}, null);
return sc;
}
public static String doPost(String url, String jsonstr,String username,String password) {
String result = null;
try {
String body = "";
//采用绕过验证的方式处理https请求
SSLContext sslcontext = createIgnoreVerifySSL();
// 设置协议http和https对应的处理socket链接工厂的对象
Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
.register("http", PlainConnectionSocketFactory.INSTANCE)
.register("https", new SSLConnectionSocketFactory(sslcontext))
.build();
PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(socketFactoryRegistry);
HttpClients.custom().setConnectionManager(connManager);
//创建自定义的httpclient对象
CloseableHttpClient closeableHttpClient = HttpClients.custom().setConnectionManager(connManager).build();
// CloseableHttpClient client = HttpClients.createDefault();
//创建post方式请求对象
HttpPost httpPost = null;
result = null;
httpPost = new HttpPost(url);
httpPost.addHeader("Content-Type", "application/json");
// basic auth认证
httpPost.addHeader("Authorization", "Basic " + Base64.getUrlEncoder().encodeToString((username + ":" + password).getBytes()));
StringEntity se = new StringEntity(jsonstr);
se.setContentType("text/json");
se.setContentEncoding(new BasicHeader("Content-Type", "application/json"));
httpPost.setEntity(se);
CloseableHttpResponse response = closeableHttpClient.execute(httpPost);
// HttpResponse response = httpClient.execute(httpPost);
if (response != null) {
HttpEntity resEntity = response.getEntity();
if (resEntity != null) {
result = EntityUtils.toString(resEntity, "utf-8");
}
}
// 关闭连接
closeableHttpClient.close();
} catch (NoSuchAlgorithmException | KeyManagementException | IOException | ParseException e) {
e.printStackTrace();
}
return result;
}
}
