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DP/src/main/java/com/example/sso/util/HttpUtil.java
2025-08-20 13:41:22 +08:00

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package com.example.sso.util;
import java.io.IOException;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.http.Consts;
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.HttpGet;
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.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
/** * Http工具类发送Http请求 Get请求请将参数放在url中 Post请求请将参数放在Map中 * * @author 程高伟 * @date 2017年1月5日 下午6:03:50 */
public class HttpUtil {
private static final Logger log = LoggerFactory.getLogger(HttpUtil.class);
private static final CloseableHttpClient httpclient = HttpClients.createDefault();
private static final String userAgent = "Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.87 Safari/537.36";
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;
}
/** * 发送HttpGet请求 * * @param url * 请求地址 * @return 返回字符串 */
public static String sendGet(String url) throws KeyManagementException, NoSuchAlgorithmException {
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);
CloseableHttpClient httpClient = HttpClients.custom().setConnectionManager(connManager).build();
String result = null;
CloseableHttpResponse response = null;
try {
HttpGet httpGet = new HttpGet(url);
httpGet.setHeader("User-Agent", userAgent);
response = httpClient.execute(httpGet);
HttpEntity entity = response.getEntity();
if (entity != null) {
result = EntityUtils.toString(entity,"UTF-8");
}
} catch (Exception e) {
log.error("处理失败 {}" + e);
e.printStackTrace();
} finally {
if (response != null) {
try {
response.close();
} catch (IOException e) {
log.error(e.getMessage());
}
}
}
return result;
}
/** * 发送HttpPost请求参数为map * * @param url * 请求地址 * @param map * 请求参数 * @return 返回字符串 */
public static String sendPost(String url, Map<String, String> map) {
// 设置参数
List<NameValuePair> formparams = new ArrayList<NameValuePair>();
for (Map.Entry<String, String> entry : map.entrySet()) {
formparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
// 编码
UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(formparams, Consts.UTF_8);
// 取得HttpPost对象
HttpPost httpPost = new HttpPost(url);
// 防止被当成攻击添加的
httpPost.setHeader("User-Agent", userAgent);
// 参数放入Entity
httpPost.setEntity(formEntity);
CloseableHttpResponse response = null;
String result = null;
try {
// 执行post请求
response = httpclient.execute(httpPost);
// 得到entity
HttpEntity entity = response.getEntity();
// 得到字符串
result = EntityUtils.toString(entity);
} catch (IOException e) {
log.error(e.getMessage());
} finally {
if (response != null) {
try {
response.close();
} catch (IOException e) {
log.error(e.getMessage());
}
}
}
return result;
}
/** * 发送HttpPost请求参数为json字符串 * * @param url * @param jsonStr * @return */
public static String sendPost(String url, String jsonStr,String appkey) throws KeyManagementException, NoSuchAlgorithmException {
//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);
CloseableHttpClient httpClient = HttpClients.custom().setConnectionManager(connManager).build();
String result = null;
// 字符串编码
StringEntity entity = new StringEntity(jsonStr, Consts.UTF_8);
// 设置content-type
entity.setContentType("application/json");
HttpPost httpPost = new HttpPost(url);
// 防止被当成攻击添加的
httpPost.setHeader("User-Agent", userAgent);
httpPost.setHeader("Authorization", "Bearer "+appkey);
// 接收参数设置
httpPost.setHeader("Accept", "application/json");
httpPost.setEntity(entity);
CloseableHttpResponse response = null;
try {
response = httpClient.execute(httpPost);
HttpEntity httpEntity = response.getEntity();
result = EntityUtils.toString(httpEntity);
} catch (IOException e) {
log.error(e.getMessage());
} finally {
// 关闭CloseableHttpResponse
if (response != null) {
try {
response.close();
} catch (IOException e) {
response.getEntity() ;
log.error(e.getMessage());
}
}
}
return result;
}
/** * 发送不带参数的HttpPost请求 * * @param url * @return */
public static String sendPost(String url) {
String result = null;
// 得到一个HttpPost对象
HttpPost httpPost = new HttpPost(url);
// 防止被当成攻击添加的
httpPost.setHeader("User-Agent", userAgent);
CloseableHttpResponse response = null;
try {
// 执行HttpPost请求并得到一个CloseableHttpResponse
response = httpclient.execute(httpPost);
// 从CloseableHttpResponse中拿到HttpEntity
HttpEntity entity = response.getEntity();
// 将HttpEntity转换为字符串
result = EntityUtils.toString(entity);
} catch (IOException e) {
log.error(e.getMessage());
} finally {
// 关闭CloseableHttpResponse
if (response != null) {
try {
response.close();
} catch (IOException e) {
log.error(e.getMessage());
}
}
}
return result;
}
}