tomcat端口无法更改

1.删掉环境变量
2.
package com.evan.wj.config;

import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.File;

@Configuration
public class CommonConfig {

@Bean
public TomcatServletWebServerFactory servletContainer() {
    TomcatServletWebServerFactory factory = new TomcatServletWebServerFactory();
    factory.setPort(8443);
    return factory;
}

}