1、<?xml version="1.0" encoding="UTF-8"?>稆糨孝汶;<persistence 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_1_0.xsd" version="1.0"> <!--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 指定事务类型(可选) 取值： JTA：默认值 RESOURCE_LOCAL --> <persistence-unit name="myPersistUnit" transaction-type="RESOURCE_LOCAL"> <!-- javax.persistence.PersistenceProvider接口的一个实现类(可选) --> <provider>org.hibernate.ejb.HibernatePersistence</provider> <!-- 显式列出实体类,在Java SE 环境中应该显式列出.(可选) --> <class>com.domain.Customer</class> <!--厂商专有属性(可选) 我们用的Hibernate，后面都是hibernate.cfg.xml中配置--> <properties> <!-- 生成DDL的策略 --> <property name="hibernate.hbm2ddl.auto" value="update" /> <!-- 数据库的连接信息 --> <property name="hibernate.connection.driver_class" value="com.mysql.jdbc.Driver" /> <property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/hibernate_jpa"/> <property name="hibernate.connection.username" value="root" /> <property name="hibernate.connection.password" value="1234" /> <!-- 指定方言 --> <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5Dialect" /> <!-- 是否显示SQL语句 --> <property name="hibernate.show_sql" value="false" /> <!-- 是否格式化SQL语句 --> <property name="hibernate.format_sql" value="true" /> </properties> </persistence-unit></persistence>
