hibernate_环境搭建
user表
-- ----------------------------
-- Table structure for user
-- ----------------------------
CREATE TABLE `user` (
`id` int(11) NOT NULL auto_increment,
`user_name` varchar(255) default NULL,
`gender` char(1) default NULL,
`email` varchar(255) default NULL,
`c_id` int(11) default NULL,
`birthday` date default NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=113 DEFAULT CHARSET=utf8;
1、在eclipse的
help->Eclipse Marketplace
下载安装hibernate插件(安装时仅选带hibernate的就行<只有一个>)4、导入jar包 jar包下载
<?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 2018-8-21 0:55:59 by Hibernate Tools 3.5.0.Final -->
<hibernate-mapping>
<class name="com.edu.bean.User" table="USER">
<id name="id" type="java.lang.Integer">
<column name="ID" />
<generator class="identity" />
</id>
<property name="userName" type="java.lang.String">
<column name="user_name" />
</property>
<property name="gender" type="java.lang.String">
<column name="GENDER" />
</property>
<property name="email" type="java.lang.String">
<column name="EMAIL" />
</property>
<property name="cId" type="java.lang.Integer" access="field">
<column name="c_id" />
</property>
<property name="birthday" type="java.util.Date">
<column name="BIRTHDAY" />
</property>
</class>
</hibernate-mapping>
package com.edu.test;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.classic.Session;
import org.junit.Test;
import com.edu.bean.User;
public class UserTest {
@Test
public void testSelect() {
Configuration configure = new Configuration().configure();
SessionFactory sessionFactory = configure.buildSessionFactory();
Session session = sessionFactory.openSession();
User user = (User)session.load(User.class, 1);
System.out.println(user);
}
}
* 问题处理:
* 总配置文件加载出错,将源修改为`http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd`