使用 maven 搭建 Spring Demo_spring demo maven-优快云博客

本文链接：https://blog.youkuaiyun.com/huanjia_h/article/details/71940730

本文介绍了如何使用 IntelliJ IDEA 创建 Maven Webapp 项目，并详细讲解了如何集成 Spring MVC 进行开发。首先展示了项目结构，然后配置了 Maven 以添加 Spring 依赖。接着在控制器中创建了 HelloController，并编写了简单的业务逻辑。同时，在 WEB-INF/views 目录下创建了对应的 hello.jsp 视图页面。最后，运行项目，验证了 Spring Demo 的成功运行。

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先用Idea 建立Maven webapp项目，这里就直奔主题，不介绍如何建立。集成分为两部分，（一）是对Spring 的集成，~~（二）是对Mybatis的集成~~

(一)Spring集成

一：项目结构

现在如下位置建立相对应文件夹

二:配置文件

2.1Maven配置添加Spring依赖jar

<properties>
    <!-- Spring管理包版本 -->
    <spring.version>4.3.8.RELEASE</spring.version>
    <!-- log4j日志文件管理包版本 -->
    <slf4j.version>1.7.21</slf4j.version>
    <log4j.version>1.2.17</log4j.version>
  </properties>


  <dependencies>

    <!-- SPRING begin -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aop</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-oxm</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-tx</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context-support</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <!-- SPRING end -->

    <!-- 日志文件管理包 -->
    <!-- log start -->
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>${log4j.version}</version>
    </dependency>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
      <version>${slf4j.version}</version>
    </dependency>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-log4j12</artifactId>
      <version>${slf4j.version}</version>
    </dependency>
    <!-- log end -->


  </dependencies>

2.2 web.xml配置

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns="http://java.sun.com/xml/ns/javaee"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
         id="WebApp_ID" version="2.5">

  <display-name>Archetype Created Web Application</display-name>



  <!-- MVC Servlet -->
  <servlet>
    <servlet-name>springServlet</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:spring-mvc.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>springServlet</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>

  <!-- Context ConfigLocation -->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath*:/spring*.xml</param-value>
  </context-param>
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <listener>
    <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
  </listener>
  <filter>
    <filter-name>encodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>UTF-8</param-value>
    </init-param>
    <init-param>
      <param-name>forceEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>encodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

  <!-- 日志记录 -->
  <context-param>
    <!-- 日志配置文件路径 -->
    <param-name>log4jConfigLocation</param-name>
    <param-value>classpath:log4j.properties</param-value>
  </context-param>
  <context-param>
    <!-- 日志页面的刷新间隔 -->
    <param-name>log4jRefreshInterval</param-name>
    <param-value>6000</param-value>
  </context-param>
  <listener>
    <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
  </listener>

</web-app>

2.3 在resources 目录建立 spring-mvc.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!-- 组件扫描 -->
    <context:component-scan base-package="com.spring.*"/>

    <!-- 定义视图文件解析 -->
    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"
          p:prefix="/WEB-INF/views/" p:suffix=".jsp" />

    <!--将针对注解的处理器配置好  -->
    <context:annotation-config />
    
    <mvc:annotation-driven />

</beans>

三:HelloWorld

3.1在controller文件夹中创建HelloController，代码如下

3.2 在WEB-INF/views/下建立对应的视图 hello.jsp