eclipse下Hibernate3学习_eclipse hibernate-优快云博客

本文链接：https://blog.youkuaiyun.com/springzb/article/details/934958

本文详细介绍如何在Eclipse环境中利用Hibernate框架实现Java应用程序与SQL Server数据库之间的对象关系映射。从项目搭建、配置文件编写到实体类及映射文件创建，最后通过示例代码演示数据的批量插入操作。

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环境：jdk 1.5, eclipse 3.1, hibernate3,sqlserver2000

1。在eclipse中新建一个java project

2。把hibernate和sqlserver driver加入该project的libraries中

完成即可

3。在sqlserver中创建数据库test，创建表customer

4。创建customer.java，保存在src的zb目录下

package zb;

public class Customer {
private String id;
private String username;

public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}

public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}

}
5。创建customer.hbm.xml，和customer.java放在一起

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
          "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
          "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
<class name="zb.Customer" table="CUSTOMER" >
  <id name="id" column="id" type="java.lang.String">
   <generator class="assigned"/>
  </id>
  <property name="username" column="username" type="java.lang.String" not-null="true" />
</class>
</hibernate-mapping>

6创建hibernate.cfg.xml，保存在src目录下

<?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 name="HibernateSessionFactory">
        <property name="hibernate.connection.driver_class">com.microsoft.jdbc.sqlserver.SQLServerDriver</property>
        <property name="hibernate.connection.password">tzc</property>
        <property name="hibernate.connection.url">jdbc:microsoft:sqlserver://127.0.0.1;DatabaseName=test;SelectMethod=cursor</property>
        <property name="hibernate.connection.username">sa</property>
        <property name="hibernate.dialect">org.hibernate.dialect.SQLServerDialect</property>

        <mapping resource="zb/Customer.hbm.xml"/>
    </session-factory>
</hibernate-configuration>

6。创建test文件，HibernateTest.java，和customer.java放在一起

package zb;

import org.hibernate.*;
import org.hibernate.cfg.Configuration;

public class HibernateTest{
public static void main(String[] args){
  try{
   Session session = null;
   SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory();
   session = sessionFactory.openSession();
   Transaction ts=session.beginTransaction();


   for(int i=1;i<100;i++){
    Customer customer = new Customer();
    customer.setId(String.valueOf(i));
    customer.setUsername("zb");
    session.save(customer);
    session.flush();

   }
   ts.commit();



   session.close();
  }
  catch(HibernateException e){
   e.printStackTrace();
  }
}

}