springMVC+spring+JPA配置文件

web.xml

<!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_3_0.xsd" version="3.0">
  <display-name>Archetype Created Web Application</display-name>
  <!-- Spring 配置 -->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:META-INF/spring/spring-jpa.xml,classpath:META-INF/spring/spring-jedis.xml</param-value>
  </context-param>
  <!-- log4j 系统日志-->
  <context-param>
    <param-name>log4jConfigLocation</param-name>
    <param-value>classpath:META-INF/log4j.properties</param-value>
  </context-param>
  <listener>
    <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
  </listener>
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>

  <!-- 使用spring Encoding,设置为UTF-8 -->
  <filter>
    <filter-name>Set Character 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>
    <init-param>
      <param-name>forceEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>Set Character Encoding</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

  <!-- Spring MVC 启动配置 -->
  <servlet>
    <servlet-name>appServlet</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:META-INF/springmvc/spring-mvc.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>

  <filter>
    <filter-name>Spring OpenEntityManagerInViewFilter</filter-name>
    <filter-class>org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter</filter-class>
    <init-param>
      <!-- 指定org.springframework.orm.jpa.LocalEntityManagerFactoryBean在spring配置文件中的名称,默认值为entityManagerFactory
          如果LocalEntityManagerFactoryBean在spring中的名称不是entityManagerFactory,该参数一定要指定,否则会出现找不到entityManagerFactory的例外 -->
      <param-name>entityManagerFactoryBeanName</param-name>
      <param-value>entityManagerFactory</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>Spring OpenEntityManagerInViewFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>




  <!-- Druid,监控数据库,以及WEB访问连接信息 -->
  <!--根据配置中的url-pattern来访问内置监控页面，如果是上面的配置，内置监控页面的首页是/druid/index.html-->
  <filter>
    <filter-name>DruidWebStatFilter</filter-name>
    <filter-class>com.alibaba.druid.support.http.WebStatFilter</filter-class>
    <init-param>
      <param-name>exclusions</param-name>
      <param-value>*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*</param-value>
    </init-param>
    <init-param>
      <param-name>sessionStatMaxCount</param-name>
      <param-value>1000</param-value>
    </init-param>
    <init-param>
      <param-name>sessionStatEnable</param-name>
      <param-value>false</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>DruidWebStatFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

  <servlet>
    <servlet-name>DruidStatView</servlet-name>
    <servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>
    <init-param>
      <!-- 允许清空统计数据 -->
      <param-name>resetEnable</param-name>
      <param-value>true</param-value>
    </init-param>
    <init-param>
      <!-- 用户名 -->
      <param-name>loginUsername</param-name>
      <param-value>druid</param-value>
    </init-param>
    <init-param>
      <!-- 密码 -->
      <param-name>loginPassword</param-name>
      <param-value>druid</param-value>
    </init-param>
  </servlet>
  <servlet-mapping>
    <servlet-name>DruidStatView</servlet-name>
    <url-pattern>/druid/*</url-pattern>
  </servlet-mapping>


</web-app>

　　spring-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:aop="http://www.springframework.org/schema/aop" xmlns:mvc="http://www.springframework.org/schema/mvc"
	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.xsd
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
       http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
       http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">


	<!-- 注释的部分只是扫描了controller，是没有扫描到其他部分的，比如bean，service-->

	<!--<!– 开启SpringMVC注解 –>-->
	<!--<mvc:annotation-driven />-->
	<!--<!– 只扫描Controller 注解 –>-->
	<!--<context:component-scan base-package="com.ima.controller" use-default-filters="false">-->
		<!--<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller" />-->
		<!--<context:include-filter type="annotation" expression="org.springframework.web.bind.annotation.ControllerAdvice" />-->
	<!--</context:component-scan>-->

	<!--所以我这里让它全扫描包，就可以识别出service，model这些被注解了的类啦！！ -->
	<context:component-scan base-package="com.ima"/>

	<!-- 定义视图解析器 -->
	<bean id="resourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/WEB-INF/views/"/>
		<property name="suffix" value=".jsp"/>
		<property name="contentType" value="text/html;charset=UTF-8"/>
	</bean>
	<!-- 用于返回json格式 -->
	<bean id="mappingJacksonHttpMessageConverter" class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
		<property name="supportedMediaTypes">
			<list>
				<value>application/x-www-form-urlencoded;charset=UTF-8</value>
			</list>
		</property>
	</bean>

	<!--上传文件配置-->
	<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
		<property name="defaultEncoding" value="utf-8"/>
		<property name="maxUploadSize" value="10485760"/>
		<property name="maxInMemorySize" value="40960"/>
	</bean>


	<mvc:annotation-driven>
		<mvc:message-converters register-defaults="true">
			<!--字符串编码转换-->
			<bean id="stringHttpMessageConverter" class="org.springframework.http.converter.StringHttpMessageConverter">
				<constructor-arg value="UTF-8"/>
			</bean>
		</mvc:message-converters>
	</mvc:annotation-driven>


</beans>

　　database.properties

database.url=jdbc:mysql://127.0.0.1:3306/springdata?useUnicode=true&characterEncoding=utf8
database.username=root
database.password=root
#服务器用以下密码
database.driverClassName=com.mysql.jdbc.Driver

　　persistence.xml

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	version="2.0" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
	<persistence-unit name="com.ima" transaction-type="RESOURCE_LOCAL">

		<!--ENABLE_SELECTIVE[(默认和推荐值):实体不缓存,除非明确标记为可缓存的。] DISABLE_SELECTIVE[实体缓存,除非明确标记为不缓存] NONE[无缓存] ALL[全部缓存]-->
		<shared-cache-mode>ENABLE_SELECTIVE</shared-cache-mode>
		<properties>
			<!-- 使用MySQL方言 -->
			<property name="hibernate.dialect" value="com.ima.utils.MySQL5DialectUTF8"/>

			<property name="hibernate.connection.driver_class" value="com.mysql.jdbc.Driver" />
			<property name="hibernate.connection.url" value="jdbc:mysql:///aidou" />
			<property name="hibernate.connection.username" value="root" />
			<property name="hibernate.connection.password" value="751197996" />

			<property name="hibernate.connection.charSet" value="UTF-8" />
			<!-- 自动输出schema创建DDL语句 -->
			<property name="hibernate.hbm2ddl.auto" value="update" />
			<!-- 显示SQL语句 -->
			<property name="hibernate.show_sql" value="true" />
			<!-- 在显示SQL语句时格式化语句 -->
			<property name="hibernate.format_sql" value="true" />
			<property name="hibernate.use_sql_comments" value="true" />

			 <!--org.hibernate.cache.EhCacheRegionFactory -->
			<!-- Enable Batching -->
			<property name="hibernate.jdbc.batch_size" value="20" />
			<property name="hibernate.default_batch_fetch_size" value="10" />

			<!-- Hibernate二级缓存相关配置 -->
			<!-- 开启二级缓存 -->
			<property name="hibernate.cache.use_second_level_cache" value="true" />
			<!-- 打开Hibernate查询缓存 -->
			<property name="hibernate.cache.use_query_cache" value="true" />
			<!-- 配置缓存提供者 -->
			<property name="hibernate.cache.region.factory_class" value="org.hibernate.cache.ehcache.EhCacheRegionFactory" />
			<property name="hibernate.generate_statistics" value="true" />
			
		</properties>
	</persistence-unit>
</persistence>

　　spring-jpa.xml

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

	<!--扫描资源文件-->
	<context:property-placeholder location="classpath:database.properties" ignore-unresolvable="true"/>
	<!--Druid数据源-->
	<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
		<property name="driverClassName" value="${database.driverClassName}"/>
		<property name="url" value="${database.url}" />
		<property name="username" value="${database.username}" />
		<property name="password" value="${database.password}" />
		<!-- 申请连接时执行validationQuery检测连接是否有效，配置为true会降低性能 -->
		<property name="testOnBorrow" value="false" />
		<property name="testOnReturn" value="false" />
		<!-- 申请连接的时候检测 -->
		<property name="testWhileIdle" value="false" />
		<!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
		<property name="timeBetweenEvictionRunsMillis" value="1800000" />
		<!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
		<property name="minEvictableIdleTimeMillis" value="1800000" />
		<property name="defaultAutoCommit" value="false" />

	</bean>


	<!-- 指定事务管理器，JPA使用JpaTransactionManager事务管理器实现. -->
	<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
		<property name="entityManagerFactory" ref="entityManagerFactory" />
	</bean>

	<!-- 指定JPA实现 -->
	<bean id="jpaVendorAdapter"
		class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
		<property name="showSql" value="false" />
	</bean>

	<!-- 适用于所有环境的FactoryBean，能全面控制EntityManagerFactory配置,如指定Spring定义的DataSource等等. -->
	<bean id="entityManagerFactory"
		class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
		<!-- 指定持久化单元名字，即JPA配置文件中指定的 -->
		<property name="persistenceUnitName" value="com.ima" />
		<!-- 见上 -->
		<property name="jpaVendorAdapter" ref="jpaVendorAdapter" />
		<!-- 见上 -->
		<property name="dataSource" ref="dataSource" />
	</bean>

<!-- 映射jpa接口-->
	<jpa:repositories base-package="com.ima.repository" />

	<!-- 开启事务管理注解 -->
	<tx:annotation-driven transaction-manager="transactionManager"/>


</beans>

　　log4j.properties

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

	<!--扫描资源文件-->
	<context:property-placeholder location="classpath:database.properties" ignore-unresolvable="true"/>
	<!--Druid数据源-->
	<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
		<property name="driverClassName" value="${database.driverClassName}"/>
		<property name="url" value="${database.url}" />
		<property name="username" value="${database.username}" />
		<property name="password" value="${database.password}" />
		<!-- 申请连接时执行validationQuery检测连接是否有效，配置为true会降低性能 -->
		<property name="testOnBorrow" value="false" />
		<property name="testOnReturn" value="false" />
		<!-- 申请连接的时候检测 -->
		<property name="testWhileIdle" value="false" />
		<!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
		<property name="timeBetweenEvictionRunsMillis" value="1800000" />
		<!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
		<property name="minEvictableIdleTimeMillis" value="1800000" />
		<property name="defaultAutoCommit" value="false" />

	</bean>


	<!-- 指定事务管理器，JPA使用JpaTransactionManager事务管理器实现. -->
	<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
		<property name="entityManagerFactory" ref="entityManagerFactory" />
	</bean>

	<!-- 指定JPA实现 -->
	<bean id="jpaVendorAdapter"
		class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
		<property name="showSql" value="false" />
	</bean>

	<!-- 适用于所有环境的FactoryBean，能全面控制EntityManagerFactory配置,如指定Spring定义的DataSource等等. -->
	<bean id="entityManagerFactory"
		class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
		<!-- 指定持久化单元名字，即JPA配置文件中指定的 -->
		<property name="persistenceUnitName" value="com.ima" />
		<!-- 见上 -->
		<property name="jpaVendorAdapter" ref="jpaVendorAdapter" />
		<!-- 见上 -->
		<property name="dataSource" ref="dataSource" />
	</bean>

<!-- 映射jpa接口-->
	<jpa:repositories base-package="com.ima.repository" />

	<!-- 开启事务管理注解 -->
	<tx:annotation-driven transaction-manager="transactionManager"/>


</beans>