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：
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？）
添加完毕
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>
原文：http://www.cnblogs.com/lonelyxmas/p/5337602.html