Servlet的入门案例-白红宇

Servlet的入门案例

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发布时间：2019-06-07

本文共 1158 字，大约阅读时间需要 3 分钟。

编写入门案例

1）编写java类，继承HttpServlet类

2）重新doGet和doPost方法

3）Servlet程序交给tomcat服务器运行！！

3.1 servlet程序的class码拷贝到WEB-INF/classes目录

3.2 在web.xml文件中进行配置

package com.loaderman.demo;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.IOException;public class TestServlet extends HttpServlet {    @Override    protected void doGet(HttpServletRequest req, HttpServletResponse response) throws ServletException, IOException {        //向浏览器输出内容        response.getWriter().write("this is first servlet！");    }    @Override    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {        this.doGet(req, resp);    }}


     
         
          
              
               
       
        mTestServlet
               
               
       
        com.loaderman.demo.TestServlet
           
          
          
              
               
       
        mTestServlet
               
               
       
        /demotest