<?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">root</property> <!-- 数据库用户名 -->

    <property name="connection.password"></property>     <!-- 数据库密码 -->

    <property name="connection.driver_class">com.mysql.jdbc.Driver</property>

    <property name="connection.url">jdbc:mysql:///hibernate?useUnicode=true&amp;charactertEncoding=UTF-8</property>

    <property name="dialect">org.hibernate.dialect.MySQLDialect</property>

    <property name="show_sql">true</property> <!-- SQL输出到控制台 -->

    <property name="format_sql" >true</property> <!-- 格式化SQL -->

    <property name="hbm2ddl.auto">update</property>    <!-- create|update|create-drop|validate:检查数据表结构是否相同 -->

    <mapping resource="Students.hbm.xml" />    <!-- 学生配置文件 -->

    </session-factory>

</hibernate-configuration>

//学生类

public class Students {

    // 1.公有的类

    // 2.提供公有的不带参数的默认的构造方法

    // 3.属性私有

    // 4.属性setter/getter封装

    private int sid;

    private String sname;

    private String gender;

    private String address;

    public Students() {

    }

    public Students(int sid, String sname, String gender, String address) {

        // super();

        this.sid = sid;

        this.sname = sname;

        this.gender = gender;

        this.address = address;

    }

    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 getGender() {

        return gender;

    }

    public void setGender(String gender) {

        this.gender = gender;

    }

    public String getAddress() {

        return address;

    }

    public void setAddress(String address) {

        this.address = address;

    }

    @Override

    public String toString() {

        return "Students [sid=" + sid + ", sname=" + sname + ", gender="

                + gender + ", address=" + address + "]";

    }

}

<?xml version="1.0"?>

<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<!-- Generated 2015-6-25 19:45:24 by Hibernate Tools 3.4.0.CR1 -->

<hibernate-mapping>

    <class name="Students" table="STUDENTS">

        <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="gender" type="java.lang.String">

            <column name="GENDER" />

        </property>

        <property name="address" type="java.lang.String">

            <column name="ADDRESS" />

        </property>

    </class>

</hibernate-mapping>

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.After;

import org.junit.Before;

import org.junit.Test;

//测试类

//@SuppressWarnings("deprecation")

public class StudentsTest {

    private SessionFactory sessionFactory; //会话工厂

    private Session session;               //会话

    private Transaction transaction;       

    @Before        //之前

    public void init()  //初始化

    {

        //创建配置对象

        Configuration config=new Configuration().configure();

        //创建服务注册对象

        ServiceRegistry serviceRegistry=new ServiceRegistryBuilder().applySettings(config.getProperties()).buildServiceRegistry();

        //创建会话工厂对象

        sessionFactory=config.buildSessionFactory(serviceRegistry);

        //会话对象

        session=sessionFactory.openSession();

        //开启事务

        transaction=session.beginTransaction();

    }

    @After    //之后

    public void destory()

    {

        transaction.commit();    //提交事务

        session.close();        //关闭会话

        sessionFactory.close(); //关闭会话工厂

    }

    @Test    //测试

    public void testSaveStudents()

    {

        Students s=new Students(3,"张三丰","男","武当山");

        session.save(s);

        Students s1=new Students(4,"shexunyu","男","咸宁");

        session.save(s1);    //保存对象进入数据库

    }

}