httpClient_apache过滤ssl证书校验

需求: 调用第三方接口时,对方接口为https,需过滤ssl证书校验

package com.ruoyi.wx.util;

import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.ssl.SSLContextBuilder;

import javax.net.ssl.SSLContext;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

public class HttpClientIgnoreSSL {

    public static CloseableHttpClient createHttpClientIgnoringSSL() {
        // 定义信任所有证书的策略
        TrustStrategy trustAllStrategy = new TrustStrategy() {
            @Override
            public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
                return true; // 信任所有证书
            }
        };

        // 构建SSLContext，应用信任策略
        SSLContext sslContext = null;
        try {
            sslContext = SSLContextBuilder.create()
                    .loadTrustMaterial(null, trustAllStrategy)
                    .build();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

        // 配置不验证主机名
        SSLConnectionSocketFactory sslSocketFactory = new SSLConnectionSocketFactory(
                sslContext,
                NoopHostnameVerifier.INSTANCE); // 禁用主机名验证

        // 创建自定义HttpClient
        return HttpClients.custom()
                .setSSLSocketFactory(sslSocketFactory)
                .build();
    }

    public static void main(String[] args) throws Exception {
        try (CloseableHttpClient httpClient = createHttpClientIgnoringSSL()) {
            // 使用httpClient发起请求（示例：GET请求）
            HttpGet request = new HttpGet("https://example.com/api");
            try (CloseableHttpResponse response = httpClient.execute(request)) {
                // 处理响应
                System.out.println("Response Status: " + response.getStatusLine());
            }
        }
    }
}

pom依赖

  <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>4.5.7</version>
 </dependency>

httpClient 工具类

import com.alibaba.fastjson.JSONObject;
import com.ruoyi.common.exception.ServiceException;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
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.client.utils.URIBuilder;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static com.ruoyi.wx.util.HttpClientIgnoreSSL.createHttpClientIgnoringSSL;

@Slf4j
public class HttpUtil {

    /**
     * 发送post请求
     * @param inurl
     * @param params
     * @return
     * @throws IOException
     */
    public static String readByPost(String inurl,String params) throws IOException {
        StringBuffer sbf = new StringBuffer();
        String strRead = null;
        URL url = new URL(inurl);
        HttpURLConnection connection = (HttpURLConnection)url.openConnection();
        connection.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
        connection.setRequestMethod("POST");
        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.connect();
        PrintWriter out = new PrintWriter(connection.getOutputStream());
        out.print(params);
        out.flush();
        InputStream is = connection.getInputStream();
        BufferedReader reader = new BufferedReader(new InputStreamReader(is,"UTF-8"));
        while((strRead = reader.readLine())!=null){
            sbf.append(strRead);
            sbf.append("\r\n");
        }
        reader.close();
        connection.disconnect();
        return sbf.toString();
    }
    /**
     * 向指定 URL 发送POST方法的请求
     * @param url 发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送POST请求出现异常:" + e);
            e.printStackTrace();
        } finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }

    public static String sendPost(String url, Map<String, String> params) {
        try {
            String body = null;
            CloseableHttpClient httpClient = HttpClients.createDefault();
            HttpPost postMethod = new HttpPost(url);
            List<NameValuePair> nvps = new ArrayList<NameValuePair>();
            if (params != null && params.size() > 0) {
                for (Map.Entry<String, String> entry : params.entrySet()) {
                    nvps.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
                }
            }
            HttpEntity entity = new UrlEncodedFormEntity(nvps, "UTF-8");
            postMethod.setEntity(entity);
            CloseableHttpResponse response = httpClient.execute(postMethod);
            HttpEntity httpEntity = response.getEntity();
            if (entity != null) {
                body = EntityUtils.toString(httpEntity, "UTF-8");
            }
            return body;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    public static String sendGet(String url, Map<String, Object> params) {
        try {
            String body = null;
            List<NameValuePair> nvps = new ArrayList<NameValuePair>();
            if (params != null && params.size() > 0) {
                for (Map.Entry<String, Object> entry : params.entrySet()) {
                    nvps.add(new BasicNameValuePair(entry.getKey(), (String) entry.getValue()));
                }
            }
            URIBuilder uriBuilder = new URIBuilder(url);
            uriBuilder.setParameters(nvps);
            HttpGet getMethod = new HttpGet(uriBuilder.build());
            CloseableHttpClient httpClient = HttpClients.createDefault();
            CloseableHttpResponse response = httpClient.execute(getMethod);
            HttpEntity httpEntity = response.getEntity();
            if (httpEntity != null) {
                body = EntityUtils.toString(httpEntity, "UTF-8");
            }
            return body;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    public static String sendGetWithHeader(String url, Map<String, Object> params, Map<String, String> headers) {
        try {
            String body = null;
            List<NameValuePair> nvps = new ArrayList<NameValuePair>();
            if (params != null && params.size() > 0) {
                for (Map.Entry<String, Object> entry : params.entrySet()) {
                    nvps.add(new BasicNameValuePair(entry.getKey(), (String) entry.getValue()));
                }
            }
            URIBuilder uriBuilder = new URIBuilder(url);
            uriBuilder.setParameters(nvps);
            HttpGet getMethod = new HttpGet(uriBuilder.build());
            if (headers != null && headers.size() > 0) {
                for (Map.Entry<String, String> entry : headers.entrySet()) {
                    getMethod.addHeader(entry.getKey(), entry.getValue());
                }
            }
            //原来的调用
            //CloseableHttpClient httpClient = HttpClients.createDefault();
            //过滤ssl证书调用
            CloseableHttpClient httpClient = createHttpClientIgnoringSSL();
            CloseableHttpResponse response = httpClient.execute(getMethod);
            HttpEntity httpEntity = response.getEntity();
            if (httpEntity != null) {
                body = EntityUtils.toString(httpEntity, "UTF-8");
            }
            return body;
        } catch (Exception e) {
            e.printStackTrace();
            throw new ServiceException("调用异常: " + e.getMessage());
//            return null;
        }
    }

    /*入参说明
     *
     * param url 请求地址
     * param jsonObject 请求的json数据
     * param encoding 编码格式
     *
     * */
    public static String jsonPost(String url, String json) {
        CloseableHttpClient httpclient = HttpClientBuilder.create().build();
        HttpPost post = new HttpPost(url);
        String result = null;
        try {
            StringEntity s = new StringEntity(json);
            s.setContentEncoding("UTF-8");
            s.setContentType("application/json");//发送json数据需要设置contentType
            post.setEntity(s);
            HttpResponse res = httpclient.execute(post);
            result = EntityUtils.toString(res.getEntity(), "UTF-8");
        } catch (Exception e) {
            e.printStackTrace();
            throw new RuntimeException(e);
        }
        return result;
    }

    /**
     * 向指定 URL 发送POST方法的请求(为了解决坑爹的erp登录接口问题，用这个)
     * @param url 发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String jsonPost(String url, String param,String contentType) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            conn.setRequestProperty("Content-Type", contentType);
            conn.setRequestProperty("Accept-Charset", "UTF-8");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);

            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送POST请求出现异常:" + e);
            e.printStackTrace();
        } finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }

}