Spring配置之JPA(Top_link)

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="1.0"
    xmlns:persistence="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 persistence_1_0.xsd ">

    <!-- Name属性用于定义持久化单元的名字 (name必选,空值也合法); transaction-type:JTA和RESOURCE_LOCAL 指定事务类型(可选) -->
    <!-- JPA的toplink实现 -->
    <persistence-unit name="jpa_toplink"
        transaction-type="RESOURCE_LOCAL">
        <provider>oracle.toplink.essentials.PersistenceProvider</provider>
        <properties>
            <property name="toplink.jdbc.user" value="root" />
            <property name="toplink.jdbc.password" value="123" />
            <property name="toplink.jdbc.url" value="jdbc:mysql://localhost:3306/youbuysdb" />
            <property name="toplink.jdbc.driver" value="com.mysql.jdbc.Driver" />
            <property name="toplink.ddl-generation" value="create-tables" />
            <property name="toplink.weaving" value="false" />
        </properties>
    </persistence-unit>
</persistence>