在平时的javaweb项目中便于后期的维护,我们会进行分层开发,最常见的分为utils(常用公共方法),domain(模型层),dao(数据库访问层),service(业务逻辑层),web(表现层),这样分层之后,各个层之间的职能比较明确,便于后期的维护,今天我们就使用maven多模块来构建以上各个层。
本项目详细代码下载地址:
项目结构如下:
movieInvest
|—-pom.xml
|—-movieInvest-utils
|—-pom.xml
|—-movieInvest-domain
|—-pom.xml
|—-movieInvest-dao
|—-pom.xml
|—-movieInvest-service
|—-pom.xml
|—-movieInvest-web
|—-pom.xml
1.创建movieInvest项目
创建maven项目的我们上一节有详细的讲述,这里再讲述一遍
1.1新建
1.2选择项目类型
1.3填写groupId,ArtifactId
打开pom.xml
添加一行
<packaging>pom</packaging>
在把文件java Resource下的所有文件删除,因为此项目是做管理,不需要任何代码,只需要pom.xml文件
2.创建子项目movieInvest-utils
在创建好的项目上new一个,选择如下图
填写子项目名
选择类型
一直到完成
打开项目movieInvest-utils的pom.xml
添加一行
<packaging>jar</packaging>
3.创建movieInvest-domain,movieInvest-dao,movieInvest-service
创建这三个子项目都是和创建movieInvest-utils一样,这里就不再讲述了
4.创建movieInvest-web
在创建好的项目上new一个,选择如下图
填写项目名
选择项目类型
点击完成
打开pom.xml增加一行
<packaging>war</packaging>
这里我们打开movieInvest项目的pom.xml下,我们观察可以看到增加了几行
<modules>
<module>movieInvest-utils</module>
<module>movieInvest-dao</module>
<module>movieInvest-domain</module>
<module>movieInvest-service</module>
<module>movieinvest-web</module>
</modules>
4.添加各个子项目的关系
dao层添加依赖domain和utils
在dao项目中的pom.xml添加
<dependency>
<groupId>com.yaozhitech</groupId>
<artifactId>movieInvest-domain</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>com.yaozhitech</groupId>
<artifactId>movieInvest-utils</artifactId>
<version>${project.version}</version>
</dependency>
service层依赖domain,utils,dao层
在service项目中的pom.xml添加
<dependency>
<groupId>com.yaozhitech</groupId>
<artifactId>movieInvest-domain</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>com.yaozhitech</groupId>
<artifactId>movieInvest-utils</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>com.yaozhitech</groupId>
<artifactId>movieInvest-dao</artifactId>
<version>${project.version}</version>
</dependency>
web层添加service,domain,utils
在web项目中的pom.xml添加
<dependency>
<groupId>com.yaozhitech</groupId>
<artifactId>movieInvest-utils</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>com.yaozhitech</groupId>
<artifactId>movieInvest-domain</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>com.yaozhitech</groupId>
<artifactId>movieInvest-service</artifactId>
<version>${project.version}</version>
</dependency>
5,配置spring+mybatis
在movieInvest项目中的pom.xml中引入jar包
pom.xml配置信息如下
<?xml version="1.0" encoding="UTF-8"?>
<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.yaozhitech</groupId>
<artifactId>movieInvest-root</artifactId>
<packaging>pom</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>movieInvest-root</name>
<url>http://maven.apache.org</url>
<build>
<finalName>movieInvest</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<spring-version>3.2.1.RELEASE</spring-version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<commons-lang3.version>3.1</commons-lang3.version>
<logback.version>0.9.29</logback.version>
<aspectj.version>1.7.0</aspectj.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jms</artifactId>
<version>${spring-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</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>${spring-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring-version}</version>
</dependency>
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.0.5</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.0.0</version>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>9.3-1102-jdbc4</version>
</dependency>
<dependency>
<groupId>commons-net</groupId>
<artifactId>commons-net</artifactId>
<version>3.3</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.2</version>
</dependency>
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
<version>1.8.0</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.2.1</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-jexl</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>commons-digester</groupId>
<artifactId>commons-digester</artifactId>
<version>2.0</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.1</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.2.2</version>
</dependency>
<dependency>
<groupId>net.sf.json-lib</groupId>
<artifactId>json-lib</artifactId>
<version>2.4</version>
<classifier>jdk15</classifier>
</dependency>
</dependencies>
<modules>
<module>movieInvest-utils</module>
<module>movieInvest-dao</module>
<module>movieInvest-domain</module>
<module>movieInvest-service</module>
<module>movieinvest-web</module>
</modules>
</project>
在web项目中的web.xml配置成
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:applicationContext*.xml</param-value>
</context-param>
<servlet>
<servlet-name>spring</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:/applicationContext-MVC.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>spring</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<filter>
<filter-name>characterEncodingFilter</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>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<listener>
<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
</listener>
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener>
<session-config>
<session-timeout>360</session-timeout>
</session-config>
</web-app>
在该项目的java resouce中的src/main/resources中添加配置文件
applicationContext-MVC.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.2.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd ">
<context:annotation-config />
<context:component-scan base-package="com.yaozhitech.controller" />
<mvc:annotation-driven />
<bean id="handlerAdapter"
class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass">
<value>org.springframework.web.servlet.view.JstlView</value>
</property>
<property name="prefix">
<value>/WEB-INF/jsp/</value>
</property>
<property name="suffix">
<value>.jsp</value>
</property>
</bean>
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
</bean>
</beans>
添加文件application.properties
# pgsql
jdbc.driver =org.postgresql.Driver
#pgsql链接地址
jdbc.url =jdbc:postgresql://42.121.113.40:5432/zjdw
#pgsql登录名
jdbc.username=zhima
#pgsql密码
jdbc.password=zhima617
#连接数
initSize=30
maxSize=50
添加文件application-common.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:hdp="http://www.springframework.org/schema/hadoop" xmlns:p="http://www.springframework.org/schema/p"
xmlns:security="http://www.springframework.org/schema/security"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.2.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd
http://www.springframework.org/schema/hadoop http://www.springframework.org/schema/hadoop/spring-hadoop.xsd">
<!-- ====================================================================================== -->
<!-- 启用基于注解(Annotation-based)的配置 -->
<!-- ====================================================================================== -->
<context:annotation-config />
<context:component-scan base-package="com.yaozhitech.service" />
<context:component-scan base-package="com.yaozhitech.dao" />
<!-- ====================================================================================== -->
<!-- 加载属性文件 -->
<!-- ====================================================================================== -->
<context:property-placeholder location="classpath*:*.properties" />
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${jdbc.driver}"/>
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
<property name="initialSize" value="${initSize}"/>
<property name="maxActive" value="${maxSize}"/>
<property name="timeBetweenEvictionRunsMillis" value="60000"/>
<property name="minEvictableIdleTimeMillis" value="1800000"/>
<property name="poolPreparedStatements" value="true"/>
<property name="testWhileIdle" value="true"/>
<property name="validationQuery" value="select 1"/>
</bean>
<!-- ====================================================================================== -->
<!-- 配置 SqlMapClient -->
<!-- ====================================================================================== -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="mapperLocations">
<list>
<value>classpath:com/yaozhitech/mapper/*Mapper.xml</value>
</list>
</property>
</bean>
<bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">
<constructor-arg index="0" ref="sqlSessionFactory" />
</bean>
<tx:annotation-driven transaction-manager="sitdbTxManager"/>
</beans>