package com.yyz.response;

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;

//web工程中URL地址的写法

public class ResponseDemo extends HttpServlet {

    public void doGet(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException {

        //servletContext,给服务器用，"/"代表web工程

        this.getServletContext().getRealPath("/download/1.gif");

        //forward,给服务器用，"/"代表web工程。

        this.getServletContext().getRequestDispatcher("/register.html");

        //sendRedirct,给浏览器用，"/"代表webapps。

        response.sendRedirect("/test/register.html");

/**

 * 在register.html中要访问ResponseDemo.java,超链接的写法，给浏览器用，"/"代表webapps

 * <a href="/test/servlet/ResponseDemo"></a>

 */

    }

    public void doPost(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException {

    }

}