StatisticServlet.java

spring-boot/src/main/java/com/tutego/ch_09/servlet/StatisticServlet.java

package com.tutego.ch_09.servlet;

import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

import java.io.IOException;

// can also be registered via @WebServlet + @ServletComponentScan
public class StatisticServlet extends HttpServlet {

    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        resp.getWriter().write("123456");
    }

}