hibernate.cfg.xml:

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration SYSTEM 
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
   <session-factory>
   <property name="hibernate.dialect">
      org.hibernate.dialect.SQLServerDialect
   </property>
   <property name="hibernate.connection.driver_class">
      com.microsoft.sqlserver.jdbc.SQLServerDriver
   </property>

   <!-- Assume test is the database name -->
   <property name="hibernate.connection.url">
      jdbc:sqlserver://localhost:1433;DatabaseName=db_test
   </property>
   <property name="hibernate.connection.username">
      sa
   </property>
   <property name="hibernate.connection.password">
      157147
   </property>

   <!-- List of XML mapping files -->
    <mapping resource="hibernateTest/Info.hbm.xml"/>
    <!-- 修改实体类名.hbm.xml文件 -->
</session-factory>
</hibernate-configuration>

映射文件xx.hbm.xml:

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC 
 "-//Hibernate/Hibernate Mapping DTD//EN"
 "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd"> 

<hibernate-mapping>
   <class name="hibernateTest.Info" table="tb_test">
      <meta attribute="class-description">
         Info类和数据库关系映射 
      </meta>
      <id name="id" type="int" column="id">
         <generator class="native"/>
      </id>
      <property name="name" column="name" type="string"/>
   </class>

实体类：Info.java

package hibernateTest;

public class Info {
    private int id;
    private String name;
    public 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;
    }

}

主方法类：

package hibernateTest;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;

public class MainTest {

    public static void main(String[] args) {
        Configuration cfg=new Configuration();
        cfg.configure("hibernateTest/hibernate.cfg.xml");//加载配置文件
        SessionFactory sf = cfg.buildSessionFactory();
        Session session = sf.openSession();
        Transaction tx=session.beginTransaction();//开启事务

        Info info = new Info();
        info.setName("bb");//添加信息
        session.save(info);//保存信息
        tx.commit();//事务提交
        session.close();
        sf.close();

        System.out.println(info.getName());
    }

}