Maven学习笔记(四)：Eclipse中使用Maven创建SSM项目

一、项目创建

1.创建Maven项目，file->New->Project->Maven->Maven Project

2.选择第一个复选框

3.选择创建war包的工程

4.在war项目名处右键，选择Java EE Tools->Generate Deployment Descriptop Stub，点击后会自动在项目中添加WEB-INF和web.xml。
5.配置pom.xml的SSM框架依赖，需要包括SSM框架各自相关的包以及一个spring和mybatis整合的jar包，还需要包括数据驱动包以及日志文件相关的包等。具体配置如下所示：

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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>com.learn</groupId>
  <artifactId>ssm</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>

  <properties>  
         <!-- java EE版本 -->
        <javaee.version>7.0</javaee.version>
        <!-- JSTL标签版本 -->
        <jstl.version>1.2</jstl.version>
        <!-- spring版本号 -->  
        <spring.version>4.1.6.RELEASE</spring.version>  
        <!-- aspectjweaver的版本号 -->
        <aspectjweaver.version>1.8.6</aspectjweaver.version>
        <!-- mybatis版本号 -->  
        <mybatis.version>3.2.7</mybatis.version>  
        <!-- mybatis-spring版本号 -->
        <mybatis-spring.version>1.2.3</mybatis-spring.version>
        <!-- log4j日志文件管理包版本 -->  
        <slf4j.version>1.7.7</slf4j.version>  
        <log4j.version>1.2.17</log4j.version>  
        <!-- mysql-connector-java版本号 -->
        <mysql-connector-java.version>5.1.38</mysql-connector-java.version>
        <!-- jackson版本号 -->
        <jackson.version>2.4.1</jackson.version>
        <!-- commons-fileupload版本号 -->
        <commons-fileupload.version>1.3.1</commons-fileupload.version>
        <!-- commons-io版本号 -->
        <commons-io.version>2.4</commons-io.version>
    </properties>  
  <dependencies>
    <dependency>
      <groupId>junit</groupId>  
      <artifactId>junit</artifactId>  
      <version>4.11</version>  
      <!-- 表示开发的时候引入，发布的时候不会加载此包 -->  
      <scope>test</scope> 
    </dependency>
        <!-- 导入java EE jar 包 -->  
        <dependency>  
            <groupId>javax.servlet</groupId>  
            <artifactId>javax.servlet-api</artifactId>  
            <version>3.0.1</version>  
             <scope>provided</scope>
        </dependency>   
         <dependency>  
            <groupId>javax.servlet.jsp</groupId>  
            <artifactId>jsp-api</artifactId>  
            <version>2.2</version>  
             <scope>provided</scope>
        </dependency>  
        <!-- JSTL标签类 -->  
        <dependency>
			<groupId>jstl</groupId>
			<artifactId>jstl</artifactId>
			<version>1.1.2</version>
        </dependency>
        <dependency>
			<groupId>taglibs</groupId>
			<artifactId>standard</artifactId>
			<version>1.1.2</version>
        </dependency>
     <!-- spring 相关jar包-->
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-web</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-jdbc</artifactId>  
            <version>${spring.version}</version>  
        </dependency>  
        <dependency>
          <groupId>org.aspectj</groupId>
          <artifactId>aspectjweaver</artifactId>
          <version>${aspectjweaver.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-test</artifactId>  
            <version>${spring.version}</version>  
        </dependency>  
        <!-- mybatis核心包 -->  
        <dependency>  
            <groupId>org.mybatis</groupId>  
            <artifactId>mybatis</artifactId>  
            <version>${mybatis.version}</version>  
        </dependency>  
        <!-- mybatis和spring整合的包 -->  
        <dependency>  
            <groupId>org.mybatis</groupId>  
            <artifactId>mybatis-spring</artifactId>  
            <version>${mybatis-spring.version}</version>  
        </dependency>  
        <!-- 日志文件管理包 -->  
        <!-- log4j -->  
        <dependency>  
            <groupId>log4j</groupId>  
            <artifactId>log4j</artifactId>  
            <version>${log4j.version}</version>  
        </dependency>  
         <!-- 导入Mysql数据库链接jar包 -->  
        <dependency>  
            <groupId>mysql</groupId>  
            <artifactId>mysql-connector-java</artifactId>  
            <version>${mysql-connector-java.version}</version>  
        </dependency> 
         <!-- jackson包 -->  
        <dependency>  
            <groupId>com.fasterxml.jackson.core</groupId>  
            <artifactId>jackson-databind</artifactId>  
            <version>${jackson.version}</version>  
        </dependency>  
        <!-- 上传组件包 -->  
        <dependency>  
            <groupId>commons-fileupload</groupId>  
            <artifactId>commons-fileupload</artifactId>  
            <version>${commons-fileupload.version}</version>  
        </dependency>  
        <dependency>  
            <groupId>commons-io</groupId>  
            <artifactId>commons-io</artifactId>  
            <version>${commons-io.version}</version>  
        </dependency>  
  </dependencies>

<build>
  <resources>
     <resource>
        <directory>src/main/java</directory>
        <includes>
              <include>**/*.xml</include>
        </includes>
     </resource>
     <resource>
        <directory>src/main/resources</directory>
        <includes>
              <include>**/*.xml</include>
              <include>**/*.properties</include>
        </includes>
     </resource>  
  </resources>
          <plugins>
             <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.1</version>
                 <configuration>
                    <port>80</port>
                    <path>/</path> 
               </configuration>
            </plugin>
        </plugins>
</build>
</project>

6.因为编译器默认只编译resources文件夹中的xml文件，所以需要在pom.xml中配置如下几行代码，使得java文件夹中的xml文件也编译。

这样我们就完成了基本的SSM项目的创建。

二、环境配置

1.web.xml配置如下：

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" 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">
	<!-- 上下文参数 -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:applicationContext.xml</param-value>
	</context-param>
	<!-- 监听器 -->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	<!-- SpringMVC前端控制器 -->
	<servlet>
		<servlet-name>springmvc</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:springmvc.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>springmvc</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>
	<!-- 字符编码过滤器 -->
	<filter>
		<filter-name>encoding</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>
	</filter>
	<filter-mapping>
		<filter-name>encoding</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
</web-app>

2.在resources目录下创建以下三个配置文件：
springmvc.xml如下：

<?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:mvc="http://www.springframework.org/schema/mvc"
	xmlns:context="http://www.springframework.org/schema/context"
	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">
	<!-- 扫描注解 -->
	<context:component-scan
		base-package="com.learn.controller"></context:component-scan>
	<!-- 注解驱动 -->
	<mvc:annotation-driven></mvc:annotation-driven>
	<!-- 静态资源 -->
	<mvc:resources location="/js/" mapping="/js/**"></mvc:resources>
	<mvc:resources location="/images/" mapping="/images/**"></mvc:resources>
	<mvc:resources location="/files/" mapping="/files/**"></mvc:resources>
	<!-- Mutilpart解析器 -->
	<bean id="multipartResolver"
		class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
		<property name="maxUploadSize" value="1048576" />
	</bean>
</beans>

applicationContext.xml如下：

<?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:aop="http://www.springframework.org/schema/aop"
	xmlns:tx="http://www.springframework.org/schema/tx" 
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd" default-autowire="byName">
    <!-- 注解扫描 -->
    <context:component-scan base-package="com.learn.service.impl"></context:component-scan>
    <!-- 加载属性文件 -->
    <context:property-placeholder location="classpath:db.properties"/>
    <!-- 数据源 -->
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    	<property name="driverClassName" value="${jdbc.driver}"></property>
    	<property name="url" value="${jdbc.url}"></property>
    	<property name="username" value="${jdbc.username}"></property>
    	<property name="password" value="${jdbc.password}"></property>
    </bean>
    <!-- 建立SqlSessionFactory -->
    <bean id="factory" class="org.mybatis.spring.SqlSessionFactoryBean">
    	<property name="dataSource" ref="dataSource"></property>
    	<property name="typeAliasesPackage" value="com.learn.pojo"></property>
    </bean>
    <!-- 扫描器 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    	<property name="basePackage" value="com.learn.mapper"></property>
    	<property name="sqlSessionFactoryBeanName" value="factory"></property>
    </bean>
</beans>

db.properties如下：

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url = jdbc:mysql://localhost:3306/ssm
jdbc.username = root
jdbc.password = 123456

这样就完成了SSM的环境配置，可以开始使用了。

三、使用

创建pojo层，controller层，service层，mapper层代码，查询用户信息，项目目录结构如下：

由于代码比较简单，这里就不贴出来了，浏览器访问：

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Maven学习笔记(四)：Eclipse中使用Maven创建SSM项目

目录

一、项目创建

二、环境配置

三、使用

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