package request;

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;

/**

* @author ： CodeWater

* @create ：2022-03-13-16:21

* @Function Description ：

*/

@WebServlet("/requestDemo08")

public class RequestDemo08 extends HttpServlet {

@Override

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

System.out.println("requestDemo08被访问了。。。");

//转发到demo9资源;不推荐的写法，因为只用一次；建议采用下面的链式写法

// RequestDispatcher requestDispatcher = req.getRequestDispatcher( "/requestDemo09" );

// requestDispatcher.forward( req , resp );

//存储数据到request域中

req.setAttribute("msg", "hello ");

req.getRequestDispatcher("/requestDemo09").forward(req, resp);

}

@Override

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

this.doPost(req, resp);

}

}