Spring——集成JPA

Posted 2020-08-15 dy9776

配置文件如下：<applicationContext.xml>

<?xml version="1.0" encoding="UTF-8"?>
<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:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:jpa="http://www.springframework.org/schema/data/jpa"
       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-3.0.xsd
              http://www.springframework.org/schema/aop
              http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
              http://www.springframework.org/schema/tx
              http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
              http://www.springframework.org/schema/data/jpa
              http://www.springframework.org/schema/data/jpa/spring-jpa.xsd">
       <context:component-scan base-package="com.xskj.model, com.xskj.repository, com.xskj.service">
              <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" />
       </context:component-scan>

       <!--在原来类的上面加功能-->
       <aop:aspectj-autoproxy proxy-target-class="true" />

       <!-- 开启事务注解，只对当前配置有效 -->
       <tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true" />

       <!--jpa的仓储，你包的位置，前缀，-->
       <jpa:repositories base-package="com.xskj.repository" repository-impl-postfix="Impl"
                         entity-manager-factory-ref="entityManagerFactory" transaction-manager-ref="transactionManager" />

       <!--数据源-->
       <bean name="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
              <property name="driverClassName"> <!--oracle的驱动-->
                     <value>oracle.jdbc.driver.mysql</value>
<!--
                     <value>oracle.jdbc.driver.OracleDriver</value>
-->
              </property>
              <property name="url"><!--客户端地址-->
                     <!--<value>jdbc:oracle:thin:@localhost:1521:orcl</value>-->
                     <value>jdbc:oracle:thin:@192.168.8.14:3306:springBoot_data</value>
              </property>
              <property name="username"> <!--用户名-->
                    <!-- <value>scott</value>-->
                     <value>root</value>
              </property>
              <property name="password"> <!--密码-->
                     <!--<value>tiger</value>-->
                     <value>123</value>
              </property>
       </bean>

       <!--事物管理-->
       <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
              <property name="dataSource" ref="dataSource" /> <!--数据源-->
              <property name="packagesToScan" value="com.xskj.model"  /> <!--model中属性包的位置-->
              <property name="persistenceProvider"><!--持久提供者-->
                    <bean class="org.hibernate.jpa.HibernatePersistenceProvider" />
              </property>
              <property name="jpaVendorAdapter">
                     <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"> <!--设置持久化的框架-->
                            <property name="generateDdl" value="false" /><!--数据定义语言，创建，删除，修改，truncate清楚表操作等-->
                            <!--<property name="database" value="ORACLE" />&lt;!&ndash;指定数据库类型用的oracle&ndash;&gt;-->
                            <property name="database" value="MYSQL" /><!--指定数据库类型用的oracle-->
                            <!--<property name="databasePlatform" value="org.hibernate.dialect.Oracle10gDialect" />&lt;!&ndash;数据库的方言&ndash;&gt;-->
                            <property name="databasePlatform" value="org.hibernate.dialect.MySQLDialect" /><!--数据库的方言-->
                            <property name="showSql" value="true" /><!--执行过程中是否显示sql语句-->
                     </bean>
              </property>
              <property name="jpaDialect">
                     <bean class="org.springframework.orm.jpa.vendor.HibernateJpaDialect" />
              </property>
              <property name="jpaPropertyMap"><!--jpa属性的一个集合-->
                     <map>
                            <entry key="hibernate.query.substitutions" value="true 1, false 0" />
                            <entry key="hibernate.default_batch_fetch_size" value="16" /><!--hibernate地层批量抓取的-->
                            <entry key="hibernate.generate_statitics" value="true" /><!--是否让hibernate生产统计信息-->
                            <entry key="hibernate.bytecode.use_reflection_optimizer" value="true" /><!--字节码的反射机制的优化-->
                            <entry key="hibernate.cache.use_second_level_cache" value="false" /><!--使用hibernate的二级缓存-->
                            <entry key="hibernate.cache.use_query_cache" value="false" /><!--hibernate的查询缓存-->
                     </map>
              </property>
       </bean>

       <!-- 事务管理器配置 -->
       <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
              <property name="entityManagerFactory" ref="entityManagerFactory" />
       </bean>
</beans>