java中Hibernate中的数据库对象详解

"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hib*e*rn*ate.org/dtd/hibernate-configuration-3.0.dtd">

org.hibernate.dialect.MySQLDialect

com.mysql.jdbc.Driver

root

word">root

jdbc:mysql://localhost:3306/hibernate

20

1

5000

true

true

true

100
3000
2
true

create

package org.Rudiment.hibernate;

public class pen {
private int id;
private int price;
private String type;

public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int getPrice() {
return price;
}
public void setPrice(int price) {
this.price = price;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
}

"http://hibernate.s*ou*rce*forge.net/hibernate-mapping-3.0.dtd">

















create table test(t_name varchar(255));

drop table test

package org.Rudiment.hibernate;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.ServiceRegistryBuilder;

public class penHandler {
public static void main(String[] args)
{
Configuration conf = new Configuration();
conf.configure();
ServiceRegistry sr = new ServiceRegistryBuilder().applySettings(conf.getProperties()).buildServiceRegistry();
SessionFactory sf = conf.buildSessionFactory(sr);
}
}

create table test(t_name varchar(255));

drop table test

mysql> desc test;
+--------+--------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+--------+--------------+------+-----+---------+-------+
| t_name | varchar(255) | YES | | NULL | |
+--------+--------------+------+-----+---------+-------+
1 row in set (0.02 sec)