在配置好 Tomcat SSL 证书的前提下,将 HTTP 重定向 HTTPS
vi /path/to/tomcat/conf/web.xml
<security-constraint>
<web-resource-collection>
<web-resource-name >SSL</web-resource-name>
<url-pattern>/*</url-pattern>
</web-resource-collection>
<user-data-constraint>
<transport-guarantee>CONFIDENTIAL</transport-guarantee>
</user-data-constraint>
</security-constraint>

:wq
重启 Tomcat