Spring-MVC4 + JPA2 + MySql-5.5 + SLF4J + JBoss WildFly-8.1开发环境的搭建

面试被问Spring4，它的目的是把过去Spring3所有升级项目Spring4。现在将记录在此环境搭建过程。

第一次使用Maven Archetype创建一个项目框架，运行以下命令：

mvn archetype:generate -DarchetypeGroupId=org.apache.maven.archetypes -DarchetypeArtifactId=maven-archetype-webapp -DarchetypeVersion=1.0 -DgroupId={你的groupId} -DartifactId={你的artifactId} -Dversion=1.0-SNAPSHOT

完毕后会生成最主要的文件夹结构，和一个包括了JUnit的pom.xml。

这显然是不够的。我们须要自行改动 pom.xml 加入所需依赖：

<properties>
		<java-version>1.7</java-version>
		<org.aspectj-version>1.7.3</org.aspectj-version>
		<spring.version>4.0.1.RELEASE</spring.version>
		<slf4jVersion>1.7.7</slf4jVersion>
	</properties>

	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>3.8.1</version>
			<scope>test</scope>
		</dependency>

		<!-- Spring dependencies -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</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>

		<!-- 支持文件上传 -->
		<dependency>
			<groupId>commons-fileupload</groupId>
			<artifactId>commons-fileupload</artifactId>
			<version>1.3.1</version>
		</dependency>
		<dependency>
			<groupId>commons-io</groupId>
			<artifactId>commons-io</artifactId>
			<version>2.4</version>
		</dependency>

		<!-- JPA -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-orm</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.hibernate.javax.persistence</groupId>
			<artifactId>hibernate-jpa-2.0-api</artifactId>
			<version>1.0.1.Final</version>
		</dependency>
		<dependency>
			<groupId>net.sf.ehcache</groupId>
			<artifactId>ehcache-core</artifactId>
			<version>2.6.8</version>
		</dependency>
		<dependency>
			<groupId>javax.validation</groupId>
			<artifactId>validation-api</artifactId>
			<version>1.1.0.Final</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-tx</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<!-- hibernate -->
		<dependency>
			<groupId>org.hibernate</groupId>
			<artifactId>hibernate-entitymanager</artifactId>
			<version>4.0.1.Final</version>
		</dependency>

		<!-- MySql JDBC Driver -->
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.6</version>
		</dependency>

		<!-- AspectJ -->
		<dependency>
			<groupId>org.aspectj</groupId>
			<artifactId>aspectjrt</artifactId>
			<version>${org.aspectj-version}</version>
		</dependency>
		<dependency>
			<groupId>cglib</groupId>
			<artifactId>cglib</artifactId>
			<version>2.2</version>
		</dependency>

		<!-- @Inject -->
		<dependency>
			<groupId>javax.inject</groupId>
			<artifactId>javax.inject</artifactId>
			<version>1</version>
		</dependency>

		<!-- Servlet -->
		<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>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>jstl</artifactId>
			<version>1.2</version>
		</dependency>

		<!-- JSON -->
		<dependency>
			<groupId>javax.json</groupId>
			<artifactId>javax.json-api</artifactId>
			<version>1.0</version>
		</dependency>

		<!-- SLF4j -->
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-log4j12</artifactId>
			<version>${slf4jVersion}</version>
		</dependency>
		<!-- log4j -->
		<dependency>
			<groupId>log4j</groupId>
			<artifactId>log4j</artifactId>
			<version>1.2.16</version>
		</dependency>

	</dependencies>

然后把 java版本号改为1.7：（Spring4最低要求是1.6）

<build>
		<finalName>shop</finalName>
		<plugins>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>2.5.1</version>
				<configuration>
					<source>1.7</source>
					<target>1.7</target>
					<compilerArgument>-Xlint:all</compilerArgument>
					<showWarnings>true</showWarnings>
					<showDeprecation>true</showDeprecation>
				</configuration>
			</plugin>
		</plugins>
	</build>

创建例如以下图所看到的的文件夹结构：

以下是各个配置文件的完整内容。

通过 jboss-deployment-structure.xml 命令JBoss不要使用内置的Log系统：

<?xml version="1.0" encoding="UTF-8"?>
<jboss-deployment-structure xmlns="urn:jboss:deployment-structure:1.2">
	<deployment>
		<exclude-subsystems>
			<subsystem name="logging" />
		</exclude-subsystems>
	</deployment>
</jboss-deployment-structure> 

通过 shop-ds.xml 在部署时动态向JBoss注冊数据源：

<?
xml version="1.0" encoding="UTF-8"?>
<datasources xmlns="http://www.jboss.org/ironjacamar/schema">
	<datasource jndi-name="java:jboss/datasources/shop"
		enabled="true" use-java-context="true" pool-name="codeschooldb">
		<connection-url>jdbc:mysql://localhost:3306/shop?
characterEncoding=utf-8</connection-url>
		<driver-class>com.mysql.jdbc.Driver</driver-class>
		<driver>mysql</driver>
		<security>
			<user-name>root</user-name>
			<password>111111</password>
		</security>
	</datasource>
</datasources>
 

因为我们使用 Servet 3.0。所以web.xml也要对应的升级：

<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">
	
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>/WEB-INF/spring/root-context.xml</param-value>
	</context-param>

	<!-- spring -->
	<servlet>
		<servlet-name>appServlet</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>/WEB-INF/spring/appServlet/servlet-context.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>appServlet</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>

	<session-config>
		<session-timeout>15</session-timeout>
	</session-config>

</web-app>

通过Spring配置文件 servlet-context.xml 配置JPA, Hibernate。数据源JNDI查找等内容：

<?xml version="1.0" encoding="UTF-8"?
>
<beans:beans xmlns="http://www.springframework.org/schema/mvc"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:beans="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.1.xsd
		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

	<!-- DispatcherServlet Context: defines this servlet's request-processing 
		infrastructure -->

	<!-- Enables the Spring MVC @Controller programming model -->
	<annotation-driven />

	<!-- Handles HTTP GET requests for /resources/** by efficiently serving 
		up static resources in the ${webappRoot}/resources directory -->
	<resources mapping="/resources/**" location="/resources/" />

	<!-- Resolves views selected for rendering by @Controllers to .jsp resources 
		in the /WEB-INF/views directory -->
	<beans:bean
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<beans:property name="prefix" value="/WEB-INF/views/" />
		<beans:property name="suffix" value=".jsp" />
	</beans:bean>

	<!-- 容器管理的JPA -->
	<beans:bean id="emf"
		class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
		<beans:property name="dataSource" ref="dataSource" />
		<beans:property name="jpaVendorAdapter" ref="jpaAdapter" />
		<beans:property name="packagesToScan" value="cn.fh.shop.model" />
		<beans:property name="jpaPropertyMap">
			<beans:props>
				<beans:prop key="hibernate.show_sql">true</beans:prop>
				<beans:prop key="hibernate.hbm2ddl.auto">update</beans:prop>
				<beans:prop key="hibernate.format_sql">true</beans:prop>
				<beans:prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</beans:prop>
				<!-- 开启L2 cache -->
				<beans:prop key="hibernate.cache.use_second_level_cache">true</beans:prop>
			</beans:props>
		</beans:property>
		
	</beans:bean>
	<beans:bean id="jpaAdapter"
		class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
		<beans:property name="database" value="MYSQL" />
	</beans:bean>
	<jee:jndi-lookup id="dataSource" jndi-name="java:jboss/datasources/shop"
		resource-ref="true" />
	<beans:bean
		class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" />

	<!-- 事务 -->
	<beans:bean class="org.springframework.orm.jpa.JpaTransactionManager"
		id="transactionManager">
		<beans:property name="entityManagerFactory" ref="emf" />
	</beans:bean>
	
	<!-- 文件上传 -->
	<beans:bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver" >
		<beans:property name="maxUploadSize" value="100000" />
	</beans:bean>

	<tx:annotation-driven />


	<context:component-scan base-package="cn.fh.shop" />



</beans:beans>

src/main/resources/log4j.xml 配置例如以下：

<?
xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration PUBLIC "-//APACHE//DTD LOG4J 1.2//EN" "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">

	<!-- Appenders -->
	<appender name="console" class="org.apache.log4j.ConsoleAppender">
		<param name="Target" value="System.out" />
		<layout class="org.apache.log4j.PatternLayout">
			<param name="ConversionPattern" value="%-5p: %c - %m%n" />
		</layout>
	</appender>
	
	<!-- Application Loggers -->
	<logger name="cn.fh.spring">
		<level value="info" />
	</logger>
	
	<!-- 3rdparty Loggers -->
	<logger name="org.springframework.core">
		<level value="info" />
	</logger>
	
	<logger name="org.springframework.beans">
		<level value="info" />
	</logger>
	
	<logger name="org.springframework.context">
		<level value="info" />
	</logger>

	<logger name="org.springframework.web">
		<level value="info" />
	</logger>

	<!-- Root Logger -->
	<root>
		<priority value="debug" />
		<appender-ref ref="console" />
	</root>
	
</log4j:configuration>

至此一切OK。运行 mvn clean install 构建project。将 shop.war 复制到 JBoss 其下部署文件夹。

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