package com.ioc; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.web.server.WebServerFactoryCustomizer; import org.springframework.boot.web.servlet.server.ConfigurableServletWebServerFactory; /** * Created by zhangshukang. */ @SpringBootApplication public class CircularSpringBootApplication implements WebServerFactoryCustomizer<ConfigurableServletWebServerFactory> { public static void main(String[] args) { SpringApplication.run(CircularSpringBootApplication.class); } @Override public void customize(ConfigurableServletWebServerFactory factory) { factory.setPort(9999); } }