动手学servlet（1） 第一个servlet程序

package servletdemo;

import java.io.IOException;
import java.io.PrintWriter;

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

public class MyServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
            throws ServletException, IOException {
        // TODO 自动生成的方法存根
        //super.doGet(req, resp);
        //HttpServletRequest 请求
        //HttpServletResponse 响应
        PrintWriter pw=resp.getWriter();
        pw.print("第一个servlet程序！");
        pw.close();
    }
    
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp)
            throws ServletException, IOException {
        // TODO 自动生成的方法存根
        //super.doPost(req, resp);
        doGet(req, resp);  //通常POST请求会在这里调用上面的doGet()方法
    }
}