package com.session;public class Customer {    private int id;private String username;private String password;public int getId() {return id;}public String getPassword() {return password;}public String getUsername() {return username;}public void setId(int id) {this.id = id;}public void setPassword(String password) {this.password = password;}public void setUsername(String username) {this.username = username;}
}

<?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.session.Customer" table="CUSTOMER"><id name="id" column="CID" type="java.lang.Integer"><generator class="increment" /></id><property name="username" column="USERNAME" type="java.lang.String"/><property name="password" column="PASSWORD" type="java.lang.String"/></class>
</hibernate-mapping>

<?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><!-- sql Server数据库驱动 -->  <property name="hibernate.connection.driver_class">com.microsoft.sqlserver.jdbc.SQLServerDriver</property>  <!-- sql Server数据库名称 -->  <property name="hibernate.connection.url">jdbc:sqlserver://localhost:1433; DatabaseName=ztest</property>  <!-- 数据库的登陆用户名 -->  <property name="hibernate.connection.username">sa</property>  <!-- 数据库的登陆密码 -->  <property name="hibernate.connection.password">123</property>  <mapping resource ="com/session/Customer.hbm.xml"/><!-- 注意：必须是“/”而不能是“.”。 --></session-factory>    </hibernate-configuration>

package com.session;import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;public class Test {public static void main(String[] args) {try {SessionFactory sf =new Configuration().configure().buildSessionFactory();Session session = sf.openSession();Transaction tx = session.beginTransaction();for (int i = 0; i < 200; i++) {Customer customer = new Customer();customer.setUsername("customer" + i);customer.setPassword("customer");session.save(customer);}tx.commit();session.close();} catch (HibernateException e) {e.printStackTrace();}}
}