【hibernate4.3】annotation 建立第一个程序

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建立数据库

Teacher 实体类

package hibernateDemo.model;import javax.persistence.Entity;
import javax.persistence.Id;@Entity
public class Teacher {private int id ;private String name ;private String title;@Idpublic int getId() {return id;}public void setId(int id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public String getTitle() {return title;}public void setTitle(String title) {this.title = title;}	
}

hibernate.cfg.xml配置文件 

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC"-//Hibernate/Hibernate Configuration DTD 3.0//EN""http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd"><hibernate-configuration><session-factory><!-- Database connection settings --><property name="connection.driver_class">com.microsoft.sqlserver.jdbc.SQLServerDriver</property><property name="connection.url">jdbc:sqlserver://localhost:1433;databaseName = users</property><property name="connection.username">sa</property><property name="connection.password">1234</property><!-- JDBC connection pool (use the built-in) --><!-- <property name="connection.pool_size">1</property> --><!-- SQL dialect --><property name="dialect">org.hibernate.dialect.SQLServer2008Dialect</property><!-- Enable Hibernate's automatic session context management --><!-- <property name="current_session_context_class">thread</property> --><!-- Disable the second-level cache  --><property name="cache.provider_class">org.hibernate.cache.internal.NoCacheProvider</property><!-- Echo all executed SQL to stdout --><property name="show_sql">true</property><!-- Drop and re-create the database schema on startup --><property name="hbm2ddl.auto">update</property><mapping resource="hibernateDemo/model/Student.hbm.xml"/><mapping class="hibernateDemo.model.Teacher" /></session-factory></hibernate-configuration>

测试类

package hibernateDemo.test;import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.cfg.Configuration;import hibernateDemo.model.Teacher;public class TeacherTest {public static void main(String[] args) {Teacher t = new Teacher();  t.setId(1);  t.setName("bb");  t.setTitle("初级");  Configuration cfg = new AnnotationConfiguration();  //Session session = HibernateUtil.getSessionFactory().getCurrentSession();  SessionFactory sf = cfg.configure().buildSessionFactory();  Session session = sf.openSession();  session.beginTransaction();  session.save(t);  session.getTransaction().commit();  session.close();  sf.close();  }}

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