准备条件

eclipsejdk1.8 （配置jdk环境）apache-tomcat-8.5.97（记住安装位置）

一

点击完成

开始创建javaweb项目

<code>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 {

@Override

protected 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 World

pw.print("输出 Hello World");

}

}

 目录结构如下：

 

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"

         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"

         version="3.1">

    

    <servlet>

        <servlet-name>fly</servlet-name>

        <servlet-class>fly.test</servlet-class>

    </servlet>

    <servlet-mapping>

        <servlet-name>fly</servlet-name>

        <url-pattern>/hi</url-pattern>

    </servlet-mapping>

</web-app>

   

 会出现此界面表示成功