springboot2.3.1替换为其他的嵌入式servlet容器的详细方法

 <!--排除Tomcat starter-->
      <exclusions>
        <exclusion>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-starter-tomcat</artifactId>
        </exclusion>
      </exclusions>
    </dependency>

    <!--引入其他的jetty starter容器-->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-jetty</artifactId>
    </dependency>

package com.example.springbootdemo.servlet;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author Think
 */
public class MyServlet extends HttpServlet {

  @Override
  protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    doPost(req, resp);

  }

  @Override
  protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.getWriter().write("hello,MyServlet");
  }
}

/**
   * 配置嵌入式的servlet容器的相关规则
   * @return
   */
  @Bean
  public WebServerFactoryCustomizer<ConfigurableWebServerFactory> webServerFactoryCustomizer() {
    return new WebServerFactoryCustomizer<ConfigurableWebServerFactory >() {
      @Override
      public void customize(ConfigurableWebServerFactory factory) {
      	//设置服务器启动的端口号为8090
        factory.setPort(8090);
      }
    };
  }

@Bean
public EmbeddedServletContainerCustomizer embeddedServletContainerCustomizer(){
  return new EmbeddedServletContainerCustomizer() {
    @Override
    public void customize(ConfigurableEmbeddedServletContainer container) {
    //设置服务器启动的端口号为8090
      container.setPort(8090);
    }
  };
}