SpringBoot学习之web

1. com.zzz.servlet.MyServlet.java文件内容

package com.zzz.servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.sql.rowset.serial.SerialException;
import java.io.IOException;

@WebServlet(name = "MyServlet",urlPatterns = "/srv")
public class MyServlet extends HttpServlet {

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

        System.out.println("1111");
        super.doGet(req,resp);
    }

//    @Override
//    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//        super.doPost(req, resp);
//    }
}

2. com.zzz.SpringWebApplication文件内容

package com.zzz;

import com.zzz.servlet.MyServlet;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletComponentScan;
import org.springframework.boot.web.servlet.ServletListenerRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;

@SpringBootApplication
@ServletComponentScan
public class SpringbootWebApplication {

    public static void main(String[] args) {
        SpringApplication.run(SpringbootWebApplication.class, args);
    }

    // 将自定义的Servlet添加到springboot容器中,当配置了urlmappings之后，servlet自己的配置就不会生效
    @Bean
    public ServletRegistrationBean getServletRegistrationBean(){

        ServletRegistrationBean bean = new ServletRegistrationBean<>(new MyServlet(),"/s2");
        bean.setLoadOnStartup(1);
        return bean;
    }

}