使用组件注册方式整合Servlet

package com.itheima.servletComponent;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Component;

@Component
public class MyServlet extends HttpServlet {

    private static final long serialVersionUID = 1L;

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

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

package com.itheima.config;

import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import com.itheima.servletComponent.MyServlet;

@Configuration
public class ServletConfig {
//    注册Servlet组件
    @Bean
    public ServletRegistrationBean<MyServlet> getServlet(MyServlet myServlet) {
        ServletRegistrationBean<MyServlet> registrationBean = new ServletRegistrationBean<MyServlet>(myServlet, "/myServlet");
        return registrationBean;
    }
}