Springboot 将80端口转发至443 http自动跳转https

import org.apache.catalina.Context;

import org.apache.catalina.connector.Connector;

import org.apache.tomcat.util.descriptor.web.SecurityCollection;

import org.apache.tomcat.util.descriptor.web.SecurityConstraint;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;

import org.springframework.boot.web.servlet.server.ServletWebServerFactory;

import org.springframework.context.annotation.Bean;

import org.springframework.web.servlet.config.annotation.CorsRegistry;

import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

@SpringBootApplication

public class Application {

public static void main(String[] args) {

SpringApplication.run(Application.class, args);

    }

 @Bean

public ServletWebServerFactory servletContainer() {

TomcatServletWebServerFactory tomcat = new TomcatServletWebServerFactory(){

@Override

protected void postProcessContext(Context context) {

SecurityConstraint constraint = new SecurityConstraint();

constraint.setUserConstraint("CONFIDENTIAL");

SecurityCollection collection = new SecurityCollection();

collection.addPattern("/*");

constraint.addCollection(collection);

context.addConstraint(constraint);

}

};

tomcat.addAdditionalTomcatConnectors(createSslConnector());

return tomcat;

}

private Connector createSslConnector() {

Connector connector = new Connector("org.apache.coyote.http11.Http11NioProtocol");

connector.setScheme("http");

connector.setSecure(false);

connector.setPort(80);

//监听到http的端口号后转向到的https的端口号

connector.setRedirectPort(443);

return connector;

}

}