myeclipse下hibernate入门实例介绍

最新推荐文章于 2025-12-03 10:04:35 发布

转载最新推荐文章于 2025-12-03 10:04:35 发布 · 9.3k 阅读

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#myeclipse #hibernate #integer #sqlserver #string #import

本文介绍使用 MyEclipse 集成开发环境配合 Hibernate 框架进行 SQL Server 数据库操作的步骤。通过创建一个简单的 Java 项目，实现产品信息的插入功能。

myeclipse下hibernate初步实例

说明：本例采用myeclipse+sqlserver2000
hibernate版本为3.0.
数据库驱动为：jtds-1.0.2。

1。配置myeclipse环境（eclipse-SDK-3.1.1+myeclipse4.1.1GA_E3.1）。
2.配置好sqlserver2000数据库：建立数据库：goto . 表 test_products

CREATE TABLE [dbo].[test_products] (
[id] [int] IDENTITY (1, 1) NOT NULL ,
[aotoid] [char] (50) COLLATE Chinese_PRC_CI_AS NULL ,
[username] [char] (50) COLLATE Chinese_PRC_CI_AS NULL ,
[price] [int] NULL ,
[amount] [int] NULL
)
id为自动编号。

3。新建项目--myeclipse--Web Project 。本例为：prodcast
4. 右单击prodcast，加入myeclipse的hibernate.并在此工程中建立数据连结。
建立完成后，在src下自动生成hibernate.cfg.xml，内容为：
<?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">sa</property>
<property name="connection.url">jdbc:jtds:sqlserver://192.168.1.88:1433;DatabaseName=goto</property>
<property name="dialect">org.hibernate.dialect.SQLServerDialect</property>
<property name="connection.password">hcsys</property>
<property name="connection.driver_class">net.sourceforge.jtds.jdbc.Driver</property>

</session-factory>

</hibernate-configuration>
5。建立：Product.java:
package test.hibernate;

import java.io.Serializable;

public class Product implements Serializable {

private static final long serialVersionUID = 3858043967100350732L;
private Integer id;
private String aotoid;
private String username;
private Integer price;
private Integer amount;

public Integer getAmount() {
  return amount;
}
public void setAmount(Integer amount) {
  this.amount = amount;
}
public String getAotoid() {
  return aotoid;
}
public void setAotoid(String aotoid) {
  this.aotoid = aotoid;
}
public Integer getPrice() {
  return price;
}
public void setPrice(Integer price) {
  this.price = price;
}
public String getUsername() {
  return username;
}
public void setUsername(String username) {
  this.username = username;
}
public Integer getId() {
  return id;
}
public void setId(Integer id) {
  this.id = id;
}
}
6.建立InsertProduct.java
package test.hibernate;

import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.*;
import org.hibernate.classic.Session;

public class InsertProduct {

public static void main(String[] args) {

  SessionFactory sf = new Configuration().configure()
       .buildSessionFactory();
  Session session = sf.openSession();
  Transaction tx = session.beginTransaction();

  Product p = new Product();
  p.setAotoid("1");
  p.setUsername("zhang");
  p.setAmount(new Integer(10));
  p.setPrice(new Integer(10));
  System.out.println(p+"_______________1");
  try{
   session.save(p);
   tx.commit();
   session.close();
   System.out.println(p+"_______________2");
  }catch(Exception ex){
   ex.printStackTrace();
  }
}
}
7.在test.hibernate包下建立:Product.hbm.xml.
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
    "-//Hibernate/Hibernate Mapping DTD//EN"
    "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd" >

<hibernate-mapping package="test.hibernate">
<class table="test_products" name="Product">
  
  <id name="id" type="int" column="id" unsaved-value="0">
         <generator class="identity"/>
  </id>

</hibernate-mapping>

8.打开hibernate.cfg.xml.加入：
<mapping resource="hibernate.cfg.xml" />
<mapping resource="test/hibernate/Product.hbm.xml" />
形成完整的config:
<?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>

</hibernate-configuration>
9.运行InsertProduct.java就可以看到数据库goto表test_products中增加了一条记录。