js
<script>document.write(new Date().getFullYear());</script>
PHP
<?php echo date("Y");?>
例:
<p class="copyright">Copyright © <script>document.write(new Date().getFullYear());</script> <a href="https://savalone.com">Savalone's Blog</a> All Rights Reserved.</p>
这样做好网站后就不用每年再去修改 foot 了