表字段和实体属性映射命名策略 博客分类： JPAHibernate

hibernate：

         <bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">

<property name="dataSource" ref="dataSource" />

<property name="namingStrategy">

<bean class="org.hibernate.cfg.ImprovedNamingStrategy" />

</property>

<property name="hibernateProperties">

<props>

<prop key="hibernate.dialect">${hibernate.dialect}</prop>

<prop key="hibernate.show_sql">${hibernate.show_sql}</prop>

<prop key="hibernate.format_sql">${hibernate.format_sql}</prop>

<prop key="hibernate.cache.provider_class">org.hibernate.cache.EhCacheProvider</prop>

<prop key="hibernate.cache.provider_configuration_file_resource_path">classpath*:/ehcache/ehcache-hibernate-local.xml</prop>

</props>

</property>

<property name="packagesToScan" value="com.lakala.manage.bean,com.lakala.manage.bean.*" />

</bean>

JPA: 

      <?xml version="1.0" encoding="UTF-8"?>

<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence"

             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

             xsi:schemaLocation="http://java.sun.com/xml/ns/persistence

            http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">

 

    <persistence-unit name="myJPA" transaction-type="RESOURCE_LOCAL">

        <provider>org.hibernate.ejb.HibernatePersistence</provider>

        <properties>

            <!--配置Hibernate方言 -->

            <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5Dialect"/>

            <!--配置数据库驱动 -->

            <property name="hibernate.connection.driver_class" value="com.mysql.jdbc.Driver"/>

            <!--配置数据库用户名 -->

            <property name="hibernate.connection.username" value=""/>

            <!--配置数据库密码 -->

            <property name="hibernate.connection.password" value=""/>

            <!--配置数据库url -->

            <property name="hibernate.connection.url"  value=""/>

            <!--设置外连接抓取树的最大深度 -->

            <property name="hibernate.max_fetch_depth" value="3"/>

            <!--自动输出schema创建DDL语句 -->

            <property name="hibernate.hbm2ddl.auto" value="update"/>

            <property name="hibernate.show_sql" value="true"/>

            <property name="hibernate.format_sql" value="true"/>

            <property name="javax.persistence.validation.mode" value="none"/>

            <!-- jpa 特有命名策略配置 -->

            <property name="hibernate.ejb.naming_strategy" value="org.hibernate.cfg.ImprovedNamingStrategy"/>

        </properties>

    </persistence-unit>

</persistence>