使用websphere 8.5.5.1时的persistence.xml配置

<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
             version="2.1">
    <persistence-unit name="myPersistenceUnit" transaction-type="JTA">
        <jta-data-source>jdbc/myDataSource</jta-data-source>
        <class>com.example.entity.User</class>
        <properties>
            <property name="javax.persistence.schema-generation.database.action" value="create"/>
        </properties>
    </persistence-unit>
</persistence>

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;

public class Main {
    public static void main(String[] args) {
        EntityManagerFactory emf = Persistence.createEntityManagerFactory("myPersistenceUnit");
        EntityManager em = emf.createEntityManager();

        // 执行持久化操作
        // ...

        em.close();
        emf.close();
    }
}