本文主要是介绍java查看证书有效期,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
public static void main(String[] args) throws CertificateException, FileNotFoundException {
CertificateFactory cf = CertificateFactory.getInstance("X.509");
FileInputStream in = new FileInputStream("G://test.cer");
X509Certificate cert = (X509Certificate) cf.generateCertificate(in);
Date effDate = cert.getNotBefore();
Date expDate = cert.getNotAfter();
System.out.println(effDate);
System.out.println(expDate);
}
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