本文主要是介绍jap集成，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
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<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:tx="http://www.springframework.org/schema/tx"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsdhttp://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd"><context:property-placeholder location="classpath:database.properties" ignore-unresolvable="true" /><!-- dataSource：用于指定Spring定义的数据源； --><bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close"><property name="driverClass" value="${jdbc.driverClass}" /><property name="jdbcUrl" value="${jdbc.jdbcUrl}" /><property name="user" value="${jdbc.user}" /><property name="password" value="${jdbc.password}" /><property name="minPoolSize" value="${jdbc.minPoolSize}"></property><property name="maxPoolSize" value="${jdbc.maxPoolSize}"></property><property name="initialPoolSize" value="${jdbc.initialPoolSize}"></property><property name="acquireIncrement" value="${jdbc.acquireIncrement}"></property><property name="maxIdleTime" value="${jdbc.maxIdleTime}"></property></bean><bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"><property name="entityManagerFactory" ref="entityManagerFactory" /></bean><tx:annotation-driven transaction-manager="transactionManager" /><!-- LocalContainerEntityManagerFactoryBean：适用于所有环境的FactoryBean，能全面控制EntityManagerFactory配置,如指定Spring定义的DataSource等等。 LocalContainerEntityManagerFactoryBean:指定使用本地容器管理EntityManagerFactory，从而进行细粒度控制；--><bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"><property name="persistenceProviderClass" value="org.hibernate.ejb.HibernatePersistence"></property><!-- dataSource属性指定使用Spring定义的数据源； --><property name="dataSource" ref="dataSource" /><!-- loadTimeWeaver：用于指定LoadTimeWeaver实现，从而允许JPA 加载时修改相应的类文件。具体使用得参考相应的JPA规范实现厂商文档，如Hibernate就不需要指定loadTimeWeaver。--><property name="loadTimeWeaver"><bean class="org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver" /></property> <property name="packagesToScan"><list><value>com.boventech.learning.entity</value></list></property><!-- jpaProperties：此处指定“hibernate.show_sql =true”表示在日志系统debug级别下将打印所有生成的SQL。 --><property name="jpaProperties"><props><prop key="hibernate.dialect">${jdbc.dialect}</prop><!-- <prop key="hibernate.ejb.naming_strategy">org.hibernate.cfg.ImprovedNamingStrategy</prop>--><prop key="hibernate.temp.use_jdbc_metadata_defaults">false</prop><prop key="hibernate.show_sql">${jpa.showSql}</prop><prop key="hibernate.format_sql">${jpa.formatSql}</prop><prop key="hibernate.hbm2ddl.auto">${jpa.hbm2ddl.auto}</prop></props></property></bean><!-- JPA annotations bean post processor --><bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" /></beans>
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