//如果只是看效果就光写一下service方法就行了

package com.zyb.test;

import java.io.IOException;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import com.sun.java_cup.internal.runtime.Symbol;

public class TestServlet extends HttpServlet {

@Override

protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    resp.getWriter().write("test file");//打印在页面上

    System.out.println("test file");//打印在控制台

}

@Override

    public void init() throws ServletException {

        System.out.println("Servlet初始化完成！");

    }

public void destory() {

    System.out.println("Servlet销毁完成！");

}

@Override

    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    System.out.println("我是doPost方法!");

    }

@Override

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

    System.out.println("我是doGet方法!");

    }

}