IntelliJ IDEA 15 Create maven project

illustrate

How to create a Maven project: Manual creation
Benefits: Refer to IntelliJ IDEA 14 to create maven project two (this article describes the benefits of creating Maven projects in this way) and idea14 uses maven to create web projects (this article describes the disadvantages of creating Maven with templates.)

Create a new Maven project

new a project

Do not select any Maven template

Start a GroupId, ArifactId

Come up with a project name. Note: Idea_Project is the workspace where this project is stored, and mavenDemo_idea15 is the subdirectory where this project is stored.

After building the project, open it and click Auto-Import

Below is the structure of this project

Project deployment

click

Project: No need to set (of course, you can click Project complier output to customize the compilation directory)

Modules: You can see that this project does not have any adaptation service components (because Maven is created manually, and no Maven template is selected) - so we need to add it.

Select Web (add a web service component to this project, this is a web project)

Now set up the resource directory for the web. Double click on Web Resource Directory

Select the scr/main directory

Add webapp at the back. Well, click OK, and the Web resource directory is set.

Now set the directory for the web description file

Set in the webapp directory

Facts: Represents the adaptation service components of the current project. You can see that this project is already a web project.

Aftifacts: The Aftifacts describe the information released by the current project. Now to add, select from Modeles.

说明：A: 现在Artifacts已有了发布的项目了（idea中准确的说应是Modele） B：output root目录描述了当前项目的编译目录及适配服务。

确定之后当前项目的结构：

如有需要，添加lib包

部署服务器

添加服务器

部署

注：很多童鞋在这里找不到Arifact，请参考部署项目中的Modules的配置。如果没有为项目配置Web服务组件，那么就没有Artifact。（当前项目连Web项目都不是，哪儿来的Artifact，又部署什么呢？）

注意下面的选择：

编写代码测试

创建一个java类。可看到继承HttpServlet出问题了--这是因为没有把Tomcat的依赖加入Module

在Modules加入Tomcat依赖

添加完毕

现在按快捷键就可以了

代码编辑

Java

package com.wql;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Created by Lenovo on 2016/2/25.
 */
@WebServlet("/myController")
public class Controller extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//        System.err.println("---");
        //解决乱码
        req.setCharacterEncoding("UTF-8");
        String name=req.getParameter("name");
        req.setAttribute("name",name);
        System.out.println(name);
        req.getRequestDispatcher("index.jsp").forward(req, resp);
    }

}

Html

<%--
  Created by IntelliJ IDEA.
  User: Lenovo
  Date: 2016/2/25
  Time: 0:26
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<form action="myController" method="post">
    <input name="name">
    return:${name}
    <input value="提交" type="submit">
</form>
</body>
</html>

Xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
          http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
           version="3.0">
<welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>

记得设置默认启动浏览器

启动项目

IntelliJ IDEA 15 Create maven project

IntelliJ IDEA 15 Create maven project

illustrate

Create a new Maven project

Project deployment

Project: No need to set (of course, you can click Project complier output to customize the compilation directory)

Modules: You can see that this project does not have any adaptation service components (because Maven is created manually, and no Maven template is selected) - so we need to add it.

Facts: Represents the adaptation service components of the current project. You can see that this project is already a web project.

Aftifacts: The Aftifacts describe the information released by the current project. Now to add, select from Modeles.

部署服务器

编写代码测试

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