linux文件操作之rm命令

persistence.xml 

 <persistence-unit name="emcs" transaction-type="RESOURCE_LOCAL">
  <provider>org.hibernate.ejb.HibernatePersistence</provider>
  <non-jta-data-source></non-jta-data-source>
  <properties>
   <property name="hibernate.max_fetch_depth" value="3" />
   <property name="hibernate.hbm2ddl.auto" value="update" />
   <property name="hibernate.show_sql" value="true" />
   <property name="hibernate.format_sql" value="true" />
  </properties>
 </persistence-unit>
</persistence>
 
applicationContext.xml

 

<jee:jndi-lookup id="dataSource" jndi-name="jdbc/mysql_emcs" />使用数据源

 <bean id="entityManagerFactory"
  class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
  <property name="dataSource" ref="dataSource" />
  <property name="persistenceUnitName" value="emcs" />
 </bean>

 

web.xml

 

<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee   http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">必须是2.4