<?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.driver_class">com.mysql.jdbc.Driver</property><property name="connection.url">jdbc:mysql://localhost:3306/demo</property><property name="connection.username">root</property><property name="connection.password">123</property><property name="dialect">org.hibernate.dialect.MySQLDialect</property><!--显示sql语句--><property name="show_sql">true</property><!--格式化sql语句--><property name="format_sql">true</property><!--数据库中创建表结构--><property name="hbm2ddl.auto">update</property><!--映射表--><mapping resource="Student.hbm.xml"/></session-factory>
</hibernate-configuration>

package com.test;import java.sql.Blob;
import java.util.Date;/*** Created by Wdnncey on 2016/10/14.*/
public class Student {private int sid;private String sname;private String sex;private String address;private Date birthday;private Blob picture;public Student(int sid, String sname, String sex, String address, Date birthday, Blob picture) {this.sid = sid;this.sname = sname;this.sex = sex;this.address = address;this.birthday = birthday;this.picture = picture;}@Overridepublic String toString() {return "Student{" +"sid=" + sid +", sname='" + sname + '\'' +", sex='" + sex + '\'' +", address='" + address + '\'' +", birthday=" + birthday +", picture=" + picture +'}';}public Student(int sid) {this.sid = sid;}public Blob getPicture() {return picture;}public void setPicture(Blob picture) {this.picture = picture;}public Student() {}public int getSid() {return sid;}public void setSid(int sid) {this.sid = sid;}public String getSname() {return sname;}public void setSname(String sname) {this.sname = sname;}public String getSex() {return sex;}public void setSex(String sex) {this.sex = sex;}public String getAddress() {return address;}public void setAddress(String address) {this.address = address;}public Date getBirthday() {return birthday;}public void setBirthday(Date birthday) {this.birthday = birthday;}
}

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN""http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"><hibernate-mapping><class name="com.test.Student" table="student"><id name="sid" type="int"><column name="SID"/><generator class="assigned"/></id><property name="sname" type="java.lang.String"><column name="SNAME"/></property><property name="address" type="java.lang.String"><column name="ADDRESS"/></property><property name="sex" type="java.lang.String"><column name="SEX"/></property><property name="birthday" type="java.util.Date"><column name="BIRTHDAY"/></property><property name="picture" type="java.sql.Blob"><column name="PICTURE" /></property></class></hibernate-mapping>

 <mapping resource="Student.hbm.xml"/>

public class StudentTtest {//初始化private SessionFactory sessionFactory;private Session session;private Transaction transaction;//在执行Test之前执行（Before）的注解。
    @Beforepublic void init(){//创建配置对象Configuration configuration = new Configuration().configure();//创建服务注册对象ServiceRegistry serviceRegistry = new ServiceRegistryBuilder().applySettings(configuration.getProperties()).buildServiceRegistry();//创建会话工厂对象sessionFactory = configuration.buildSessionFactory(serviceRegistry);//会话对象session =sessionFactory.openSession();//开启事务对象transaction = session.beginTransaction();}@Testpublic void testStudent(){Student student = new Student();student.setSname("Demo");student.setAddress("china");student.setBirthday(new Date());student.setSex("男");//通过sessin执行保存方法！
        session.save(student);}//在执行完Test注解后之情（After）注解。
    @Afterpublic void destory(){transaction.commit();//提交事务session.close();//关闭会话sessionFactory.close();//关闭会话工厂}

    //get、load，都可以用来查询数据使用。
    @Testpublic void testGetStudent(){//查询主键记录为“1”的数据Student student = (Student) session.get(Student.class,1);System.out.println(student);}@Testpublic void testLoadStduent(){//查询主键记录为“1”的数据Student student = (Student) session.load(Student.class,1);System.out.println(student);}

 @Testpublic void testUpdateStudent(){//查询主键记录为“1”的数据，并重新设置名称Student student = (Student) session.get(Student.class,1);student.setSname("Update后");}

 @Testpublic void testDeleteStudent(){//查询主键记录为“1”的数据，并且删除Student student = (Student) session.get(Student.class,1);session.delete(student);}