如何在开始时启动Tomcat关闭监听器

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

public class TomcatShutdownListener implements ServletContextListener {

    @Override
    public void contextInitialized(ServletContextEvent servletContextEvent) {
        // 在ServletContext初始化时执行的代码
    }

    @Override
    public void contextDestroyed(ServletContextEvent servletContextEvent) {
        // 在ServletContext销毁时执行的代码
        // 在这里编写关闭Tomcat的逻辑
    }
}

<listener>
    <listener-class>com.example.TomcatShutdownListener</listener-class>
</listener>

import org.apache.catalina.startup.Tomcat;
import org.apache.catalina.LifecycleException;

@Override
public void contextDestroyed(ServletContextEvent servletContextEvent) {
    // 在ServletContext销毁时执行的代码
    // 在这里编写关闭Tomcat的逻辑
    try {
        // 获取当前的Tomcat实例
        Tomcat tomcat = (Tomcat) servletContextEvent.getServletContext().getAttribute(
                org.apache.catalina.startup.Tomcat.class.getName());
        // 停止Tomcat
        tomcat.stop();
        // 销毁Tomcat
        tomcat.destroy();
    } catch (LifecycleException e) {
        e.printStackTrace();
    }
}