Tomcat配置好SSL后将HTTP请求自动转到HTTPS需要在TOMCAT/conf/web.xml的未尾加入以下配置：

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<login-config> 
    <!-- Authorization setting for SSL --> 
    <auth-method>CLIENT-CERT</auth-method> 
    <realm-name>Client Cert Users-only Area</realm-name> 
</login-config> 
<security-constraint> 
    <!-- Authorization setting for SSL --> 
    <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>
SSL配置参考百度云服务器部署免费的SSL证书（TOMCAT） ：https://jingyan.baidu.com/article/73c3ce285aff25e50343d9eb.html