IntelliJ IDEA(2019)之Web项目创建

r囧r小猫 2022-02-09 08:49 586阅读 0赞

### 文章目录 ###

*  一、创建web项目
 *  二、tomcat项目部署
 *  三、创建servlet

上篇文章介绍了idea的安装及普通java项目的使用，本文来介绍下web项目的创建及相关操作

# 一、创建web项目 #

1、打开idea软件，点击界面上的Create New Project

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2、进入如下界面。选中 java Enterprise，配置jdk，tomcat，勾选Web Application案例，注意勾选生成web.xml文件

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3、指定项目的名称及项目文件的保存地址

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4、创建成功

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5、创建class文件和lib文件夹  
  点击项目的WEF-INF文件夹 ,右键，New → Directory 创建两个文件夹，classes(用来存放编译后输出的class文件) 和 lib(用于存放第三方jar包)

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6、配置classes文件夹路径  
   File → 选择 Project Structure → 选择 Module → 选择Paths → 选择 “Use module compile output path” -> 将Output path和Test output path都选择刚刚创建的classes文件夹。

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7、配置lib文件夹路径  
  点击Paths旁边的Dependencies 点击右边的”+”号 → 选择”Jars or Directories” -> 将Output path和Test output path都选择刚刚创建的classes文件夹 → 选择”Jar Directory” 然后一路OK就行了.

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选择刚刚创建的lib文件夹

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# 二、tomcat项目部署 #

1.配置tomcat  
  点击Run ，选择Edit Configurations.

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点击右上角的三角形,运行

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# 三、创建servlet #

src–>New–>Create New Servlet

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servlet中简单代码

/** * 通过urlPatterns指定映射地址或者在web.xml文件中配置 */
    @WebServlet(name = "helloServlet",urlPatterns = { "/hello"})
    public class HelloServlet extends HttpServlet { 
        protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { 
    
        }
    
        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { 
            System.out.println("hello serlvet");
            request.getRequestDispatcher("/index.jsp").forward(request,response);
        }
    }

3.测试  
  运行tomcat访问测试:[http://localhost:8080/hello][http_localhost_8080_hello]

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访问成功~到此idea中创建web项目搞定

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[http_localhost_8080_hello]: http://localhost:8080/hello
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