项目中需要用java调用第三方的https的接口,调试了好多次总是报javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure错误,皇天不负苦心人最后终于调试成功,废话不多说直接上代码(我代码放的比较全,也方便以后自己查看如何使用);
public static String signature(String comeStr) throws Exception {
SSLContext sc = createIgnoreVerifySSL();//调用
String serverURL = "https://xxx";
StringBuffer sbf = new StringBuffer();
String strRead = null;
URL url = new URL(serverURL);
HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
connection.setSSLSocketFactory(sc.getSocketFactory());
connection.setRequestMethod("POST");// 请求post方式
connection.setDoInput(true);
connection.setDoOutput(true);
// header内的的参数在这里set connection.setRequestProperty("健, "值");
connection.setRequestProperty("Accept", "application/json");// 设置接收数据的格式
connection.setRequestProperty("Content-Type", "application/json");
connection.connect();
OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream(), "UTF-8");
// body参数在这里put到JSONObject中
JSONObject outParm = new JSONObject(jsonBuild());//需要转换的json数据
writer.write(outParm.toString());
writer.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");
}
String jsonStr = sbf.toString().replace("\"", "'");
reader.close();
connection.disconnect();
JSONObject inParm = new JSONObject(jsonStr);
String results = (String) inParm.get("pdf");
return results;
}
/**
* 获取SSL套接字对象 重点重点:设置tls协议的版本
* @return
*/
public static SSLContext createIgnoreVerifySSL() {
SSLContext sc = null;
try {
//划重点:这里极其重要需要对应对方的TLS版本,版本也不多网上搜一搜,放进来一个个试(大部分用的TLSv1.2版本)
sc = SSLContext.getInstance("TLSv1.2");// 指定TLS版本
} catch (NoSuchAlgorithmException e) {
System.out.println("创建套接字失败!");
e.printStackTrace();
}
SSLSessionContext sslsc = sc.getServerSessionContext();
sslsc.setSessionTimeout(0);
// 实现X509TrustManager接口,用于绕过验证
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;
}
};
try {
sc.init(null, new TrustManager[] { trustManager }, null);
} catch (KeyManagementException e) {
System.out.println("初始化套接字失败!");
e.printStackTrace();
}
return sc;
}
