Hibernate4 .1.2 Annotation实例
步骤
（1）添加jar包,尤其要找对oracle驱动jar包
（2）hibernate.cfg.xml 配置
<?xml version='1.0' encoding='UTF-8'?><!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"><hibernate-configuration><session-factory><property name="connection.username">testuser</property><property name="connection.url">jdbc:oracle:thin:@127.0.0.1:1521:ORCL</property><property name="dialect">org.hibernate.dialect.Oracle10gDialect</property><property name="connection.password">testuser</property><property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property><property name="connection.autocommit">false</property><property name="hibernate.connection.pool_size">10</property> <property name="hibernate.current_session_context_class">thread</property> <property name="hbm2ddl.auto">update</property><property name="show_sql">true</property><property name="hibernate.temp.use_jdbc_metadata_defaults">false</property></session-factory></hibernate-configuration>
package com.neal.entity; import java.io.Serializable; import java.util.Date; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.Temporal; import javax.persistence.TemporalType; @Entity public class C_user implements Serializable{ /** * */ private static final long serialVersionUID = 1L; private int id; private String name; private Date birthday; @Id @GeneratedValue(strategy=GenerationType.AUTO) public int getId() { return id; } public void setId(int id) { this.id = id; } @Column(length=10) public String getName() { return name; } public void setName(String name) { this.name = name; } @Temporal(TemporalType.DATE) public Date getBirthday() { return birthday; } public void setBirthday(Date birthday) { this.birthday = birthday; } } package junit.test; import java.util.Date; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.Transaction; import org.hibernate.cfg.Configuration; import org.hibernate.service.ServiceRegistry; import org.hibernate.service.ServiceRegistryBuilder; import org.junit.BeforeClass; import org.junit.Test; import com.neal.entity.C_user; public class HibernateTest { private static SessionFactory sessionFactory; @BeforeClass public static void setUpBeforeClass() throws Exception { Configuration cfg = new Configuration(); cfg.configure(); // 重要 ServiceRegistry sr = new ServiceRegistryBuilder().applySettings(cfg.getProperties()).buildServiceRegistry(); try { sessionFactory = cfg.configure() .addAnnotatedClass(C_user.class) .buildSessionFactory(sr); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } @Test public void test() { Session session = sessionFactory.openSession(); Transaction tx = session.beginTransaction(); C_user user = new C_user(); user.setBirthday(new Date()); user.setName("xiaohong"); session.persist(user); tx.commit(); session.close(); System.out.println("end"); } } 15:57:08,208 INFO Version:37 - HCANN000001: Hibernate Commons Annotations {4.0.1.Final}15:57:08,216 INFO Version:41 - HHH000412: Hibernate Core {4.1.2.Final}15:57:08,217 INFO Environment:239 - HHH000206: hibernate.properties not found15:57:08,219 INFO Environment:342 - HHH000021: Bytecode provider name : javassist15:57:08,237 INFO Configuration:1924 - HHH000043: Configuring from resource: /hibernate.cfg.xml15:57:08,237 INFO Configuration:1943 - HHH000040: Configuration resource: /hibernate.cfg.xml15:57:08,272 WARN DTDEntityResolver:74 - HHH000223: Recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide!15:57:08,291 INFO Configuration:2065 - HHH000041: Configured SessionFactory: null15:57:08,318 INFO Configuration:1924 - HHH000043: Configuring from resource: /hibernate.cfg.xml15:57:08,318 INFO Configuration:1943 - HHH000040: Configuration resource: /hibernate.cfg.xml15:57:08,320 WARN DTDEntityResolver:74 - HHH000223: Recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide!15:57:08,326 INFO Configuration:2065 - HHH000041: Configured SessionFactory: null15:57:08,440 INFO DriverManagerConnectionProviderImpl:96 - HHH000402: Using Hibernate built-in connection pool (not for production use!)15:57:08,442 INFO DriverManagerConnectionProviderImpl:129 - HHH000115: Hibernate connection pool size: 1015:57:08,442 INFO DriverManagerConnectionProviderImpl:132 - HHH000006: Autocommit mode: false15:57:08,443 INFO DriverManagerConnectionProviderImpl:146 - HHH000401: using driver [oracle.jdbc.driver.OracleDriver] at URL [jdbc:oracle:thin:@127.0.0.1:1521:ORCL]15:57:08,443 INFO DriverManagerConnectionProviderImpl:151 - HHH000046: Connection properties: {user=testuser, password=****, autocommit=false}15:57:08,465 INFO Dialect:122 - HHH000400: Using dialect: org.hibernate.dialect.Oracle10gDialect15:57:08,473 INFO LobCreatorBuilder:85 - HHH000422: Disabling contextual LOB creation as connection was null15:57:08,483 INFO TransactionFactoryInitiator:68 - HHH000399: Using default transaction strategy (direct JDBC transactions)15:57:08,486 INFO ASTQueryTranslatorFactory:48 - HHH000397: Using ASTQueryTranslatorFactory15:57:08,651 INFO SchemaUpdate:182 - HHH000228: Running hbm2ddl schema update15:57:08,651 INFO SchemaUpdate:193 - HHH000102: Fetching database metadata15:57:09,066 INFO SchemaUpdate:205 - HHH000396: Updating schema15:57:09,154 INFO TableMetadata:65 - HHH000261: Table found: TESTUSER.C_USER15:57:09,154 INFO TableMetadata:66 - HHH000037: Columns: [id, birthday, name]15:57:09,155 INFO TableMetadata:68 - HHH000108: Foreign keys: []15:57:09,155 INFO TableMetadata:69 - HHH000126: Indexes: [sys_c0010874]15:57:09,155 INFO SchemaUpdate:240 - HHH000232: Schema update completeHibernate: select hibernate_sequence.nextval from dualHibernate: insert into C_user (birthday, name, id) values (?, ?, ?)end