package?cn.lamb.jpa;

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

public?class?TEST?{

????public?static?void?main（String[]?args）?{
????????//1.?創建EntityManagerFactory
????????String?persistenceUnitName?=?“jpa“;?
????????EntityManagerFactory?factory?=?Persistence.createEntityManagerFactory（persistenceUnitName）;

????????//2.?創建EntityManager
????????EntityManager?entityManager?=?factory.createEntityManager（）;

????????//3.開啟事務
????????EntityTransaction?transaction?=?entityManager.getTransaction（）;
????????transaction.begin（）;

????????//4.?持久化操作
????????User?user?=?new?User（）;
????????user.setName（“tom2“）;
????????user.setEmail（“lamb@qq.com“）;

????????//添加user到數據庫，相當于hibernate的save（）;
????????entityManager.persist（user）;

????????//5.?提交事務
????????transaction.commit（）;

????????//6.?關閉EntityManager
????????entityManager.close（）;

????????//7.?關閉EntityManagerFactory
????????factory.close（）;

????}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1093??2016-12-13?14:36??JPA\.classpath

?????文件???????1186??2016-12-13?14:36??JPA\.project

?????文件????????522??2016-12-13?14:36??JPA\.settings\.jsdtscope

?????文件????????364??2016-12-13?14:36??JPA\.settings\org.eclipse.jdt.core.prefs

?????文件????????468??2016-12-13?14:36??JPA\.settings\org.eclipse.wst.common.component

?????文件????????414??2016-12-13?14:36??JPA\.settings\org.eclipse.wst.common.project.facet.core.xml

?????文件?????????49??2016-12-13?14:36??JPA\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2016-12-13?14:36??JPA\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件???????1142??2016-12-15?09:16??JPA\src\cn\lamb\jpa\TEST.java

?????文件????????914??2016-12-13?14:38??JPA\src\cn\lamb\jpa\User.java

?????文件???????1604??2016-12-13?14:57??JPA\src\meta-INF\persistence.xml

?????文件????????834??2016-12-13?14:36??JPA\WebRoot\index.jsp

?????文件?????????39??2016-12-13?14:36??JPA\WebRoot\meta-INF\MANIFEST.MF

?????文件???????1417??2016-12-15?09:16??JPA\WebRoot\WEB-INF\classes\cn\lamb\jpa\TEST.class

?????文件???????1288??2016-12-13?14:38??JPA\WebRoot\WEB-INF\classes\cn\lamb\jpa\User.class

?????文件???????1604??2016-12-13?14:57??JPA\WebRoot\WEB-INF\classes\meta-INF\persistence.xml

?????文件?????445288??2016-12-13?14:36??JPA\WebRoot\WEB-INF\lib\antlr-2.7.7.jar

?????文件?????313898??2016-12-13?14:36??JPA\WebRoot\WEB-INF\lib\dom4j-1.6.1.jar

?????文件????1006424??2016-12-13?14:36??JPA\WebRoot\WEB-INF\lib\ehcache-core-2.4.3.jar

?????文件??????81830??2016-12-13?14:36??JPA\WebRoot\WEB-INF\lib\hibernate-commons-annotations-4.0.2.Final.jar

?????文件????4623753??2016-12-13?14:36??JPA\WebRoot\WEB-INF\lib\hibernate-core-4.2.4.Final.jar

?????文件?????137982??2016-12-13?14:36??JPA\WebRoot\WEB-INF\lib\hibernate-ehcache-4.2.4.Final.jar

?????文件?????484723??2016-12-13?14:36??JPA\WebRoot\WEB-INF\lib\hibernate-entitymanager-4.2.4.Final.jar

?????文件?????102661??2016-12-13?14:36??JPA\WebRoot\WEB-INF\lib\hibernate-jpa-2.0-api-1.0.1.Final.jar

?????文件?????648253??2016-12-13?14:36??JPA\WebRoot\WEB-INF\lib\javassist-3.15.0-GA.jar

?????文件??????60768??2016-12-13?14:36??JPA\WebRoot\WEB-INF\lib\jboss-logging-3.1.0.GA.jar

?????文件??????25215??2016-12-13?14:36??JPA\WebRoot\WEB-INF\lib\jboss-transaction-api_1.1_spec-1.0.1.Final.jar

?????文件?????709922??2016-12-13?14:36??JPA\WebRoot\WEB-INF\lib\mysql-connector-java-5.1.7-bin.jar

?????文件??????25496??2016-12-13?14:36??JPA\WebRoot\WEB-INF\lib\slf4j-api-1.6.1.jar

?????目錄??????????0??2016-12-15?09:37??JPA\WebRoot\WEB-INF\classes\cn\lamb\jpa

............此處省略18個文件信息