Head First Servlet and JSP 笔记（前三章）-白红宇

Head First Servlet and JSP 笔记（前三章）

阅读量：5017 次

发布时间：2019-06-12

本文共 1456 字，大约阅读时间需要 4 分钟。

前三章

1、servlet name


     
          
       
        Internal name 1
           
       
        foo.Servlet1
       
      
          
       
        Internal name 2
           
       
        foo.Servlet2
       
      
          
       
        Internal name 1
           
       
        /Public1
       
      
          
       
        Internal name 2
           
       
        /Public2

2、P80简单Servlet

package com.example.web;import javax.servlet.*;import javax.servlet.http.*;import java.io.*;public class BeerSelect extends HttpServlet {    public void doPost(HttpServletRequest request, HttpServletResponse response)throws IOException, ServletException {    response.setContentType(“text/html”);    PrintWriter out = response.getWriter();    out.println(“Beer Selection Advice
”);    String c = request.getParameter(“color”);    out.println(“
Got beer color “ + c); }}

P89简单dispatch至JSP

package com.example.web;import javax.servlet.*;import javax.servlet.http.*;import java.io.*;public class BeerSelect extends HttpServlet {    public void doPost(HttpServletRequest request, HttpServletResponse response)throws IOException, ServletException {    response.setContentType(“text/html”);    PrintWriter out = response.getWriter();    request.setAttribute(“styles”, result);    RequestDispatcher view = request.getRequestDispatcher(“result.jsp”);    view.forward(request, response); }}

转载于:https://www.cnblogs.com/wxy325/archive/2013/05/10/3071986.html

你可能感兴趣的文章