Idea创建springmvc简单项目超详细步骤(适用于idea不熟悉的初学者)

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1.  第一步:打开idea工具,创建一个新的工程;


2. 第二步:file-->new -->project


3. 在选项卡中选择web工程基本的选项-->Next,然后给工程命名为webDemo,最后点击Finish,完美收工。



4. 然后右键项目,选择add Framework Support...,在选项卡中选择maven,使工程中的jar包可以通过maven来统一管理。


5. Pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns="http://maven.apache.org/POM/4.0.0"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>groupId</groupId>
    <artifactId>webDemo</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>
        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-api</artifactId>
            <version>7.0</version>
        </dependency>
    </dependencies>

</project>

6. 书写controller文件

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package com.wql;

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

/**
 * java类简单作用描述
 *
 * @ProjectName: webDemo
 * @Package: com.wql
 * @ClassName: Controller
 * @Description: java类作用描述
 * @Author: liupeng
 * @CreateDate: 2018/3/1/001 15:28
 * @UpdateRemark: The modified content
 * @Version: 1.0
 */
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 {
        req.setCharacterEncoding("UTF-8");
        String name = req.getParameter("name");
        req.setAttribute("name", name);
        System.out.println("-sss-");
        req.getRequestDispatcher("index.jsp").forward(req, resp);
    }
}

7. Web.xml文件

<?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">
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
</web-app>

8. Index.jsp文件

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
  <title>index</title>
</head>
<body>
<form action="mytest" method="post">
  <input name="name">
  return:${name}
  <input value="提交" type="submit">
</form>
</body>
</html>

9. 附加:目录结构如下


10、将项目部署到tomcat中


11、启动tomcat,在浏览器中访问http://localhost:8080地址得到返回结果页面


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转载自blog.csdn.net/qq_16736531/article/details/79414101
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