准备条件

1. eclipse
2. jdk1.8 （配置jdk环境）
3. apache-tomcat-8.5.97（记住安装位置）

一

 

点击完成

开始创建javaweb项目

 

 

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;public class test extends HttpServlet {@Overrideprotected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// 获取 PrintWriter 对象response.setCharacterEncoding("UTF-8");response.setContentType("text/plain; charset=UTF-8");PrintWriter pw = response.getWriter();// 输出 Hello Worldpw.print("输出 Hello World");}
}

 目录结构如下：

 

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;public class test extends HttpServlet {@Overrideprotected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// 获取 PrintWriter 对象response.setCharacterEncoding("UTF-8");response.setContentType("text/plain; charset=UTF-8");PrintWriter pw = response.getWriter();// 输出 Hello Worldpw.print("输出 Hello World");}
}