spring boot 使用https，并且http自动跳转https

配置使用https

springboot内部已经集成了，引入密钥文件，修改相关配置文件就可以使用https了，

server:
  port: 8443
  ssl:
    key-store: classpath:www.aaa.cn.jks
    key-store-password: aaaaaa
    key-store-type: JKS

配置http跳转至https

监听一个http端口，请求这个跳转后请求会转发到对应的https端口

@Configuration
public class CommonConfig {
    @Value("${http.port}")
    private Integer httpPort;
    @Value("${server.port}")
    private Integer serverPort;

    @Bean
    public TomcatServletWebServerFactory 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(httpConnector());
        return tomcat;
    }

    @Bean
    public Connector httpConnector() {
        Connector connector = new Connector("org.apache.coyote.http11.Http11NioProtocol");
        connector.setScheme("http");
        //Connector监听的http的端口号
        connector.setPort(8080);
        connector.setSecure(false);
        //监听到http的端口号后转向到的https的端口号
        connector.setRedirectPort(8443);
        return connector;
    }
}

就这么简单就完成了。