大概介绍：php语言写的接口，通过get或post方式获取里面的数据。但是是以https开头的URL
原因：https网址向客户的要证书
解决方案：跳过证书验证部分
package com.scheduler;import javax.net.ssl.HostnameVerifier;import javax.net.ssl.HttpsURLConnection;import javax.net.ssl.SSLSession;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.MalformedURLException;import java.net.URL;import java.net.URLConnection;//该类屏蔽了https连接需要加密证书的验证public class GetTextByUrl { ???public static void main(String[] args) { ???????HostnameVerifier hv = new HostnameVerifier() { ???????????public boolean verify(String urlHostName, SSLSession session) { ???????????????System.out.println("Warning: URL Host: " + urlHostName + " vs. " ???????????????????????+ session.getPeerHost()); ???????????????return true; ???????????} ???????}; ???????StringBuffer msg = new StringBuffer(); ???????try { ???????????URL url = new URL("https://www.ddsdd.php"); ???????????trustAllHttpsCertificates(); ???????????HttpsURLConnection.setDefaultHostnameVerifier(hv); ???????????URLConnection connection = url.openConnection(); ???????????connection.connect(); ???????????BufferedReader in = new BufferedReader((new InputStreamReader(connection.getInputStream()))); ???????????String line; ???????????while ((line = in.readLine()) != null) { ???????????????msg.append(line); ???????????} ???????????String msgString = msg.toString(); ???????????String fannlyMsg = msgString.substring(msgString.indexOf("！") + 1); ???????????System.out.println(msgString); ???????} catch (MalformedURLException e) { ???????????e.printStackTrace(); ???????} catch (IOException e) { ???????????e.printStackTrace(); ???????} catch (Exception e) { ???????????e.printStackTrace(); ???????} ???} ???private static void trustAllHttpsCertificates() throws Exception { ???????javax.net.ssl.TrustManager[] trustAllCerts = new javax.net.ssl.TrustManager[1]; ???????javax.net.ssl.TrustManager tm = new miTM(); ???????trustAllCerts[0] = tm; ???????javax.net.ssl.SSLContext sc = javax.net.ssl.SSLContext ???????????????.getInstance("SSL"); ???????sc.init(null, trustAllCerts, null); ???????javax.net.ssl.HttpsURLConnection.setDefaultSSLSocketFactory(sc ???????????????.getSocketFactory()); ???} ???static class miTM implements javax.net.ssl.TrustManager, ???????????javax.net.ssl.X509TrustManager { ???????public java.security.cert.X509Certificate[] getAcceptedIssuers() { ???????????return null; ???????} ???????public boolean isServerTrusted( ???????????????java.security.cert.X509Certificate[] certs) { ???????????return true; ???????} ???????public boolean isClientTrusted( ???????????????java.security.cert.X509Certificate[] certs) { ???????????return true; ???????} ???????public void checkServerTrusted( ???????????????java.security.cert.X509Certificate[] certs, String authType) ???????????????throws java.security.cert.CertificateException { ???????????return; ???????} ???????public void checkClientTrusted( ???????????????java.security.cert.X509Certificate[] certs, String authType) ???????????????throws java.security.cert.CertificateException { ???????????return; ???????} ???}}
https开头的URL接口无法获取数据并报错： PKIX path building failed
原文地址：https://www.cnblogs.com/xiaotieblog/p/8337288.html