07-请求重发--jsp文件

package com.resquest;

import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

/*

* requset 作用域 该对象可以在一个请求中传输数据 左右方位 在一次请求中有效，即服务器跳转有效

* 设置域对象内容

* requset.setAttribute(String name);

* 获取域对象

* request.getSttribute(String name);

* 删除域对象内容

* request.removeAttribute(String name);

*

* */

@WebServlet("/ser05")

public class servlet05 extends HttpServlet {

    @Override

    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        System.out.println("05------");

        // 设置域对象内容

        request.setAttribute("name","admin");

        request.setAttribute("age",18);

        List<String> list = new ArrayList<>();

        list.add("aaa");

        list.add("bbb");

        request.setAttribute("list",list);

        // 转发到 06

       // request.getRequestDispatcher("ser06").forward(request,response);

        // 转发 到 login.jsp

        request.getRequestDispatcher("login.jsp").forward(request,response);

    }

}