Springboot单体架构http请求转换https请求来支持微信小程序调用接口

#（密钥文件路径，也可以配置绝对路径）
server.ssl.key-store= classpath:证书文件名.pfx
#（密钥生成时输入的密钥库口令）
server.ssl.key-store-password:123456
#（密钥类型，与密钥生成命令一致）
server.ssl.key-store-type:PKCS12

import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.transaction.annotation.EnableTransactionManagement;
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.context.embedded.EmbeddedServletContainerFactory;
import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory;

@SpringBootApplication
@EnableTransactionManagement
@EnableScheduling
public class Run{
  public static void main(String[] args) throws Exception {
    SpringApplication.run(Run.class, args);
  }
  

  /**
   * it's for set http url auto change to https
   */
  @Bean
  public EmbeddedServletContainerFactory servletContainer(){
    TomcatEmbeddedServletContainerFactory tomcat=new TomcatEmbeddedServletContainerFactory(){
      @Override
      protected void postProcessContext(Context context) {
        SecurityConstraint securityConstraint=new SecurityConstraint();
        securityConstraint.setUserConstraint("CONFIDENTIAL");//confidential
        SecurityCollection collection=new SecurityCollection();
        collection.addPattern("/*");
        securityConstraint.addCollection(collection);
        context.addConstraint(securityConstraint);
      }
    };
    tomcat.addAdditionalTomcatConnectors(initiateHttpConnector());
    return tomcat;
  }
  
  /**
   * 让我们的应用支持HTTP是个好想法，但是需要重定向到HTTPS，
   * 但是不能同时在application.properties中同时配置两个connector，
   * 所以要以编程的方式配置HTTP connector，然后重定向到HTTPS connector
   * @return Connector
   */
  private Connector initiateHttpConnector() {
    Connector connector = new Connector("org.apache.coyote.http11.Http11NioProtocol");
    connector.setScheme("http");
    connector.setPort(8084); // http端口（请求访问时的端口）
    connector.setSecure(false);
    connector.setRedirectPort(8444); // application.properties中配置的https端口
    return connector;
  }
}