spring boot配置ssl实现HTTPS的方法

server.port=8888
server.tomcat.uri-encoding=utf-8
server.servlet.context-path=/demo 
server.ssl.key-store=keystore.p12
server.ssl.key-store-password=123456
server.ssl.key-store-type=PKCS12
server.ssl.key-alias=tomcat 
spring.thymeleaf.prefix=classpath:/templates/

@Configuration
public class HttpsConfig {
 
  /**
   * spring boot 1.0
   */
  /* @Bean
  public EmbeddedServletContainerFactory servletContainer() {
    TomcatEmbeddedServletContainerFactory tomcat = new TomcatEmbeddedServletContainerFactory() {
      @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;
  }*/
 
  /**
   * spring boot 2.0
   * @return
   */
  @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(8888);
    return connector;
  }
 
}

@Controller
@RequestMapping
public class ViewControlller {
 
  @GetMapping("index")
  public String index(){
    return "index";
  }
}

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-web</artifactId>
  <version>2.0.1.RELEASE</version>
</dependency>
<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>