Tomcat设置http跳转https 以Tomcat 9.0.27为例在conf/web.xml末尾添加以下内容即可：<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>