源码地址：HttpUtils工具类-Java文档类资源-CSDN下载
package com.hx.platform.dxjfgl.tools;
import cn.hutool.core.codec.Base64;
import com.alibaba.fastjson.JSONObject;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.*;
import org.apache.http.client.config.RequestConfig;
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.client.methods.HttpPut;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContextBuilder;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.conn.ssl.X509HostnameVerifier;
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.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLException;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import javax.servlet.ServletInputStream;
import java.io.*;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.UnknownHostException;
import java.nio.charset.Charset;
import java.security.GeneralSecurityException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.*;
/**
* HTTP 请求工具类
*/
public class HttpUtils {
private final static Logger LOGGER = LoggerFactory.getLogger(HttpUtils.class);
private static PoolingHttpClientConnectionManager connMgr;
private static RequestConfig requestConfig;
private static final int MAX_TIMEOUT = 7000;
private static final String CONTENT_TYPE_JSON = "application/json";
private static final String CONTENT_TYPE_URLENCODE = "application/x-www-form-urlencoded";
static {
// 设置连接池
connMgr = new PoolingHttpClientConnectionManager();
// 设置连接池大小
connMgr.setMaxTotal(100);
connMgr.setDefaultMaxPerRoute(connMgr.getMaxTotal());
RequestConfig.Builder configBuilder = RequestConfig.custom();
// 设置连接超时
configBuilder.setConnectTimeout(MAX_TIMEOUT);
// 设置读取超时
configBuilder.setSocketTimeout(MAX_TIMEOUT);
// 设置从连接池获取连接实例的超时
configBuilder.setConnectionRequestTimeout(MAX_TIMEOUT);
// 在提交请求之前 测试连接是否可用
configBuilder.setStaleConnectionCheckEnabled(true);
requestConfig = configBuilder.build();
}
/**
* 发送 GET 请求（HTTP），不带输入数据
*
* @param url
* @return
*/
public static String doGet(String url) {
return doGet(url, new HashMap<String, Object>());
}
/**
* 发送 GET 请求（HTTP），K-V形式
*
* @param url
* @param params
* @return
*/
public static String doGet(String url, Map<String, Object> params) {
String apiUrl = url;
String token = "";
if (StringUtils.isNotEmpty((CharSequence) params.get("token"))) {
token = (String) params.get("token");
params.remove("token");
}
StringBuffer param = new StringBuffer();
int i = 0;
for (String key : params.keySet()) {
if (i == 0)
param.append("?");
else
param.append("&");
param.append(key).append("=").append(params.get(key));
i++;
}
apiUrl += param;
String result = null;
CloseableHttpClient httpclient = HttpClients.createDefault();
try {
HttpGet httpPost = new HttpGet(apiUrl);
if (StringUtils.isNotEmpty(token)) {
httpPost.setHeader("Content-Type", "application/json;charset=UTF-8");
httpPost.setHeader("token", "Bearer " + token);
}
HttpResponse response = httpclient.execute(httpPost);
int statusCode = response.getStatusLine().getStatusCode();
System.out.println("执行状态码 : " + statusCode);
HttpEntity entity = response.getEntity();
if (entity != null) {
InputStream instream = entity.getContent();
result = IOUtils.toString(instream, "UTF-8");
}
} catch (IOException e) {
LOGGER.info("发送 GET 请求（HTTP）,K-V形式", e);
}
return result;
}
/**
* @return java.lang.String
* @Author guxiang
* @Date 2021-11-25 17:33
* @Param [url, jsonStr, token]
* @Description put请求
*/
public static String doPut(String url, String jsonStr, String token) {
String result = null;
CloseableHttpClient httpclient = HttpClients.createDefault();
try {
HttpPut httpPut = new HttpPut(url);
if (StringUtils.isNotEmpty(token)) {
httpPut.setHeader("Content-Type", "application/json;charset=UTF-8");
httpPut.setHeader("token", "Bearer " + token);
}
httpPut.setConfig(requestConfig);
StringEntity stringEntity = new StringEntity(jsonStr, "UTF-8");//解决中文乱码问题
stringEntity.setContentEncoding("UTF-8");
stringEntity.setContentType(CONTENT_TYPE_JSON);
httpPut.setEntity(stringEntity);
HttpResponse response = httpclient.execute(httpPut);
int statusCode = response.getStatusLine().getStatusCode();
System.out.println("执行状态码 : " + statusCode);
HttpEntity entity = response.getEntity();
if (entity != null) {
InputStream instream = entity.getContent();
result = IOUtils.toString(instream, "UTF-8");
}
} catch (IOException e) {
LOGGER.info("发送 GET 请求（HTTP）,K-V形式", e);
}
return result;
}
/**
* 获取本机IP地址
*
* @param
* @return
*/
public static InetAddress getInetAddress() throws UnknownHostException {
try {
InetAddress candidateAddress = null;
// 遍历所有的网络接口
for (Enumeration ifaces = NetworkInterface.getNetworkInterfaces(); ifaces.hasMoreElements(); ) {
NetworkInterface iface = (NetworkInterface) ifaces.nextElement();
// 在所有的接口下再遍历IP
for (Enumeration inetAddrs = iface.getInetAddresses(); inetAddrs.hasMoreElements(); ) {
InetAddress inetAddr = (InetAddress) inetAddrs.nextElement();
if (!inetAddr.isLoopbackAddress()) {// 排除loopback类型地址
if (inetAddr.isSiteLocalAddress()) {
// 如果是site-local地址，就是它了
return inetAddr;
} else if (candidateAddress == null) {
// site-local类型的地址未被发现，先记录候选地址
candidateAddress = inetAddr;
}
}
}
}
if (candidateAddress != null) {
return candidateAddress;
}
// 如果没有发现 non-loopback地址.只能用最次选的方案
InetAddress jdkSuppliedAddress = InetAddress.getLocalHost();
if (jdkSuppliedAddress == null) {
throw new UnknownHostException("The JDK InetAddress.getLocalHost() method unexpectedly returned null.");
}
return jdkSuppliedAddress;
} catch (Exception e) {
UnknownHostException unknownHostException = new UnknownHostException(
"Failed to determine LAN address: " + e);
unknownHostException.initCause(e);
throw unknownHostException;
}
}
/**
* 发送 POST 请求（HTTP），不带输入数据
*
* @param apiUrl
* @return
*/
public static String doPost(String apiUrl) {
return doPost(apiUrl, new HashMap<String, Object>());
}
/**
* 发送 POST 请求（HTTP），K-V形式
*
* @param apiUrl API接口URL
* @param params 参数map
* @return
*/
public static String doPost(String apiUrl, Map<String, Object> params) {
CloseableHttpClient httpClient = HttpClients.createDefault();
String httpStr = null;
HttpPost httpPost = new HttpPost(apiUrl);
CloseableHttpResponse response = null;
try {
httpPost.setConfig(requestConfig);
List<NameValuePair> pairList = new ArrayList<>(params.size());
for (Map.Entry<String, Object> entry : params.entrySet()) {
NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry.getValue().toString());
pairList.add(pair);
}
httpPost.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("UTF-8")));
response = httpClient.execute(httpPost);
System.out.println(response.toString());
HttpEntity entity = response.getEntity();
httpStr = EntityUtils.toString(entity, "UTF-8");
} catch (IOException e) {
LOGGER.info("发送 GET 请求（HTTP）,K-V形式", e);
} finally {
if (response != null) {
try {
EntityUtils.consume(response.getEntity());
} catch (IOException e) {
e.printStackTrace();
}
}
}
return httpStr;
}
/**
* 发送 POST 请求（HTTP），K-V形式
*
* @param apiUrl API接口URL
* @param params 参数map
* @return
*/
public static String doPostMax(String apiUrl, Map<String, Object> params) {
CloseableHttpClient httpClient = HttpClients.createDefault();
String httpStr = null;
HttpPost httpPost = new HttpPost(apiUrl);
CloseableHttpResponse response = null;
String token = (String) params.get("token");
LOGGER.info("请求token:[{}]", token);
if (StringUtils.isNotEmpty((token))) {
httpPost.setHeader("Content-Type", "application/json;charset=UTF-8");
httpPost.setHeader("Mars-Auth", "Bearer " + token);
}
try {
httpPost.setConfig(requestConfig);
params.remove("token");
String jsonStr = JSONObject.toJSONString(params);
LOGGER.info("HTTP请求数据JSON:[{}]", jsonStr);
StringEntity stringEntity = new StringEntity(jsonStr, "UTF-8");//解决中文乱码问题
stringEntity.setContentEncoding("UTF-8");
stringEntity.setContentType(CONTENT_TYPE_JSON);
httpPost.setEntity(stringEntity);
response = httpClient.execute(httpPost);
System.out.println(response.toString());
HttpEntity entity = response.getEntity();
httpStr = EntityUtils.toString(entity, "UTF-8");
} catch (IOException e) {
LOGGER.info("发送 GET 请求（HTTP）,K-V形式", e);
} finally {
if (response != null) {
try {
EntityUtils.consume(response.getEntity());
} catch (IOException e) {
e.printStackTrace();
}
}
}
return httpStr;
}
/**
* 发送 POST 请求（HTTP），JSON形式
*
* @param apiUrl
* @param
* @return
*/
public static String doPost(String apiUrl, String jsonStr) {
CloseableHttpClient httpClient = HttpClients.createDefault();
String httpStr = null;
HttpPost httpPost = new HttpPost(apiUrl);
CloseableHttpResponse response = null;
try {
httpPost.setConfig(requestConfig);
StringEntity stringEntity = new StringEntity(jsonStr, "UTF-8");//解决中文乱码问题
stringEntity.setContentEncoding("UTF-8");
stringEntity.setContentType(CONTENT_TYPE_JSON);
httpPost.setEntity(stringEntity);
response = httpClient.execute(httpPost);
HttpEntity entity = response.getEntity();
System.out.println(response.getStatusLine().getStatusCode());
httpStr = EntityUtils.toString(entity, "UTF-8");
} catch (IOException e) {
LOGGER.info("发送 POST 请求（HTTP），JSON形式异常!", e);
} finally {
if (response != null) {
try {
EntityUtils.consume(response.getEntity());
} catch (IOException e) {
e.printStackTrace();
}
}
}
return httpStr;
}
/**
* 发送 POST 请求（HTTP），JSON形式
*
* @param apiUrl
* @param
* @return
*/
public static String doPost(String apiUrl, String jsonStr, String token) {
CloseableHttpClient httpClient = HttpClients.createDefault();
String httpStr = null;
HttpPost httpPost = new HttpPost(apiUrl);
CloseableHttpResponse response = null;
if (StringUtils.isNotEmpty(token)) {
httpPost.setHeader("Content-Type", "application/json;charset=UTF-8");
httpPost.setHeader("token", "Bearer " + token);
}
try {
httpPost.setConfig(requestConfig);
StringEntity stringEntity = new StringEntity(jsonStr, "UTF-8");//解决中文乱码问题
stringEntity.setContentEncoding("UTF-8");
stringEntity.setContentType(CONTENT_TYPE_JSON);
httpPost.setEntity(stringEntity);
response = httpClient.execute(httpPost);
HttpEntity entity = response.getEntity();
System.out.println(response.getStatusLine().getStatusCode());
httpStr = EntityUtils.toString(entity, "UTF-8");
} catch (IOException e) {
LOGGER.info("发送 POST 请求（HTTP），JSON形式异常!", e);
} finally {
if (response != null) {
try {
EntityUtils.consume(response.getEntity());
} catch (IOException e) {
e.printStackTrace();
}
}
}
return httpStr;
}
/**
* 发送 SSL POST 请求（HTTPS），K-V形式
*
* @param apiUrl API接口URL
* @param params 参数map
* @return
*/
public static String doPostSSL(String apiUrl, Map<String, Object> params) {
CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()).setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
HttpPost httpPost = new HttpPost(apiUrl);
CloseableHttpResponse response = null;
String httpStr = null;
try {
httpPost.setConfig(requestConfig);
List<NameValuePair> pairList = new ArrayList<NameValuePair>(params.size());
for (Map.Entry<String, Object> entry : params.entrySet()) {
NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry
.getValue().toString());
pairList.add(pair);
}
httpPost.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("utf-8")));
response = httpClient.execute(httpPost);
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode != HttpStatus.SC_OK) {
return null;
}
HttpEntity entity = response.getEntity();
if (entity == null) {
return null;
}
httpStr = EntityUtils.toString(entity, "utf-8");
} catch (Exception e) {
LOGGER.info("发送 GET 请求（HTTP）,K-V形式", e);
} finally {
if (response != null) {
try {
EntityUtils.consume(response.getEntity());
} catch (IOException e) {
e.printStackTrace();
}
}
}
return httpStr;
}
/**
* 发送 SSL POST 请求（HTTPS），JSON形式
*
* @param apiUrl API接口URL
* @param json JSON对象
* @return
*/
public static String doPostSSL(String apiUrl, Object json, String contentType) {
CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()).setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
HttpPost httpPost = new HttpPost(apiUrl);
CloseableHttpResponse response = null;
String httpStr = null;
try {
httpPost.setConfig(requestConfig);
StringEntity stringEntity = new StringEntity(json.toString(), "UTF-8");//解决中文乱码问题
stringEntity.setContentEncoding("UTF-8");
stringEntity.setContentType(contentType);
httpPost.setEntity(stringEntity);
response = httpClient.execute(httpPost);
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode != HttpStatus.SC_OK) {
return null;
}
HttpEntity entity = response.getEntity();
if (entity == null) {
return null;
}
httpStr = EntityUtils.toString(entity, "utf-8");
} catch (Exception e) {
LOGGER.info("发送 SSL POST 请求（HTTPS），JSON形式异常!", e);
} finally {
if (response != null) {
try {
EntityUtils.consume(response.getEntity());
} catch (IOException e) {
e.printStackTrace();
}
}
}
return httpStr;
}
/**
* 创建SSL安全连接
*
* @return
*/
private static SSLConnectionSocketFactory createSSLConnSocketFactory() {
SSLConnectionSocketFactory sslsf = null;
try {
SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
return true;
}
}).build();
sslsf = new SSLConnectionSocketFactory(sslContext, new X509HostnameVerifier() {
@Override
public boolean verify(String arg0, SSLSession arg1) {
return true;
}
@Override
public void verify(String host, SSLSocket ssl) throws IOException {
}
@Override
public void verify(String host, X509Certificate cert) throws SSLException {
}
@Override
public void verify(String host, String[] cns, String[] subjectAlts) throws SSLException {
}
});
} catch (GeneralSecurityException e) {
LOGGER.info("创建SSL安全连接异常!", e);
}
return sslsf;
}
/**
* 测试方法
*
* @param args
*/
public static void main(String[] args) throws Exception {
// String kdUrl = "http://139.8.4.220";
// String projUrl = "http://139.0.25.34:8090/oa";
// // 先登录获取token
// Map<String,Object> loginMap = new HashMap<String,Object>();
// loginMap.put("username", "hexin");
// loginMap.put("password", Base64.encode("hexin@123"));
// loginMap.put("confirmed", 1);
// JSONObject loginParam = JSONObject.fromObject(loginMap);
// Map<String, String> headMap = new HashMap<>();
// Header[] headers = com.hx.platform.oa.commons.utils.HttpUtils.returnPostHeaders(kdUrl + "/login", loginParam.toString(), headMap);
// for (Header header : headers) {
//
// }
// // 调用订阅
// String myUrl = projUrl + "/openAttence/getAttenceByKD.do";
// String type = "0";//类型(0人脸信息；1报警信息)
// Map<String,Object> map = new HashMap<String,Object>();
// map.put("url", myUrl);
// map.put("type", type);
map.put("userData", token);
// JSONObject fromObject = JSONObject.fromObject(map);
headMap.put("Cookie", token);
headMap.put("Content-Type", "application/json;charset=UTF-8");
// String forBody = com.hx.platform.oa.commons.utils.HttpUtils.postBody(kdUrl + "/tm/service/thrid-module/addSubscribe", fromObject.toString(), headMap);
// System.out.println(forBody);
}
public static StringBuilder getInputStreamReaderByCode(ServletInputStream servletInputStream, String code) throws IOException {
String jsonStr = null;
StringBuilder result = new StringBuilder();
InputStreamReader inputStreamReader = null;
BufferedReader reader = null;
try {
inputStreamReader = new InputStreamReader(servletInputStream, code);
reader = new BufferedReader(inputStreamReader);
while ((jsonStr = reader.readLine()) != null) {
result.append(jsonStr);
}
} catch (IOException e) {
LOGGER.info("HttpUtils.getInputStreamReaderByCode异常!", e);
} finally {
assert inputStreamReader != null;
inputStreamReader.close();
assert reader != null;
reader.close();
}
return result;
}
/**
* 发送httppost请求
*
* @param url
* @param
* @throws Exception
*/
public static String postBody(String url, String body, Map<String, String> headMap) throws Exception {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPost request = new HttpPost(url);
CloseableHttpResponse response = null;
HttpEntity httpEntity = null;
try {
request.setHeader("Content-Type", "application/json");
if (headMap != null && headMap.size() > 0) {
Iterator<String> it = headMap.keySet().iterator();
while (it.hasNext()) {
String headKey = it.next();
request.addHeader(headKey, headMap.get(headKey));
}
}
if (body != null) {
StringEntity se = new StringEntity(body, "UTF-8");
request.setEntity(se);
}
response = httpClient.execute(request);
//获得状态码
httpEntity = response.getEntity();
return EntityUtils.toString(httpEntity);
} catch (Exception e) {
throw e;
} finally {
if (httpEntity != null) {
EntityUtils.consume(httpEntity);
}
if (response != null) {
response.close();
}
httpClient.close();
}
}
/**
* 登录成功返回headers
*
* @param url
* @param
* @throws Exception
*/
public static Header[] returnPostHeaders(String url, String body, Map<String, String> headMap) throws Exception {
DefaultHttpClient httpClient = new DefaultHttpClient();
// CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPost request = new HttpPost(url);
CloseableHttpResponse response = null;
HttpEntity httpEntity = null;
try {
request.setHeader("Content-Type", "application/json");
if (headMap != null && headMap.size() > 0) {
Iterator<String> it = headMap.keySet().iterator();
while (it.hasNext()) {
String headKey = it.next();
request.addHeader(headKey, headMap.get(headKey));
}
}
if (body != null) {
StringEntity se = new StringEntity(body, "UTF-8");
request.setEntity(se);
}
response = httpClient.execute(request);
//获得状态码
return response.getAllHeaders();
} catch (Exception e) {
throw e;
} finally {
if (httpEntity != null) {
EntityUtils.consume(httpEntity);
}
if (response != null) {
response.close();
}
httpClient.close();
}
}
public static byte[] toByteArray(InputStream input) throws IOException {
ByteArrayOutputStream output = new ByteArrayOutputStream();
byte[] buffer = new byte[1024 * 4];
int n = 0;
while (-1 != (n = input.read(buffer))) {
output.write(buffer, 0, n);
}
return output.toByteArray();
}
}
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