Interpretation of springmvc+Hibernate+JPA (hybrid transactions)

    <!-- Things Manager Configuration  -->
        <bean  class=".">
            <property name="sessionFactory" ref="sessionFactory" />
        </bean>
        <tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true" />
    <!--  hibernate  -->

<!-- Jpa Transaction configuration -->
    <bean  class="">
        <property name="entityManagerFactory" ref="entityManagerFactory"/>
    </bean>

    <!-- Spring Data JpaConfiguration -->
    <jpa:repositories base-package=".*"  transaction-manager-ref="transactionManager_jpa" entity-manager-factory-ref="entityManagerFactory"/>

    <!-- useannotationDefine transactions -->
    <tx:annotation-driven transaction-manager="transactionManager_jpa" proxy-target-class="true" />

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="/schema/beans"
       xmlns:xsi="http:///2001/XMLSchema-instance"
       xmlns:context="/schema/context"
       xmlns:mvc="/schema/mvc"
       xmlns:aop="/schema/aop"
       xmlns:tx="/schema/tx"
       xmlns:p="/schema/p" xmlns:jpa="/schema/data/jpa"
       xsi:schemaLocation="/schema/beans
                           /schema/beans/spring-beans-4.
                           /schema/context
                           /schema/context/spring-context-4.
                           /schema/mvc
                           /schema/mvc/spring-mvc-4.
                           /schema/aop
						   /schema/aop/spring-aop-4.
						   /schema/tx
                           /schema/tx/spring-tx-4. /schema/data/jpa /schema/data/jpa/"
       default-lazy-init="true">

    <!--Configure data source-->
    <bean  class=".v2." destroy-method="close">
        <property name="driverClass" value="${}" />  <!--Database connection driver-->
        <property name="jdbcUrl" value="${}" />     <!--Database address-->
        <property name="user" value="${}" />   <!--username-->
        <property name="password" value="${}" />   <!--password-->
        <property name="maxPoolSize" value="${}" />      <!--Maximum number of connections-->
        <property name="minPoolSize" value="${}" />       <!--Minimum number of connections-->
        <property name="initialPoolSize" value="${}" />      <!--Initialize the database connection in the connection pool-->
        <property name="maxIdleTime" value="${}" />  <!--Maximum free time-->
    </bean>

    <!--  hibernate  -->
    <!--Configurationsessionfactory-->
    <bean  class=".">
        <property name="dataSource" ref="dataSource" />
        <property name="packagesToScan" value="" />
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.">${hibernate.}</prop> <!--hibernateAutomatically generate database tables based on entities-->
                <prop key="">${}</prop>   <!--Specify database dialect-->
                <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>     <!--Display the executed database operation statement on the console-->
                <prop key="hibernate.format_sql">${hibernate.format_sql}</prop>     <!--Display the executed data cry operation statement on the console（Format）-->
                <prop key=".use_second_level_cache">${.use_second_level_cache}</prop>
                <prop key=".use_query_cache">${.use_query_cache}</prop>  <!-- Query cache -->
                <prop key=".provider_class">${.provider_class}</prop>
                <prop key=".factory_class">${.factory_class}</prop>
            </props>
        </property>
    </bean>
    <!-- 事物管理器Configuration  -->
        <bean  class=".">
            <property name="sessionFactory" ref="sessionFactory" />
        </bean>
        <tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true" />
    <!--  hibernate  -->

    <!--  JPA  -->
    <!-- JPA实体管理器factory -->
    <bean  name="jpaEntityManagerFactory"
          class="">
        <property name="dataSource" ref="dataSource" />
        <property name="jpaVendorAdapter" ref="hibernateJpaVendorAdapter" />
        <!-- Add custom package path -->
        <property name="packagesToScan" value=".*" />

        <property name="jpaProperties">
            <props>
                <prop key="hibernate.current_session_context_class">thread</prop>
                <prop key="hibernate.">none</prop><!-- validate/update/create -->
                <prop key="hibernate.show_sql">true</prop>
                <prop key="hibernate.format_sql">true</prop>

                <!-- Naming rules for building tables -->
                <prop key=".naming_strategy"></prop>

            </props>
        </property>
    </bean>

    <!-- set upJPAImplement the specific properties of the manufacturer -->
    <bean 
          class="">
        <property name="databasePlatform" value="${}"/>
    </bean>

    <!-- Jpa 事务Configuration -->
    <bean  class="">
        <property name="entityManagerFactory" ref="entityManagerFactory"/>
    </bean>

    <!-- Spring Data JpaConfiguration -->
    <jpa:repositories base-package=".*"  transaction-manager-ref="transactionManager_jpa" entity-manager-factory-ref="entityManagerFactory"/>

    <!-- useannotationDefine transactions -->
    <tx:annotation-driven transaction-manager="transactionManager_jpa" proxy-target-class="true" />
    <!--  JPA  -->

</beans>

@Transactional("transactionManager_jpa")
    @Override
    public Model_Res add(Model_Req req) {
        //jpa dao
        Model entity = (reqData);
        return res;
    }