HibernateDemo基本练习（转帖）

地址：http://blog.sina.com.cn/s/blog_81496ec00101i5f8.html

Hibernate的基础配置：

hibernate.cfg.xml

 

 

 

<?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 >

<!-- 数据库用户名 -->

<property name="connection.username">root</property>

<!-- 数据库用户密码 -->

<property name="connection.password">admin</property>

<!-- 驱动类 -->

<property name="connection.driver_class">com.mysql.jdbc.Driver</property>

<!-- 数据库URL -->

<property name="connection.url">jdbc:mysql://localhost:3306/newStrutsDemo</property>

<!-- 数据库方言-->

<property name="dialect">org.hibernate.dialect.MySQLDialect</property>

<!-- 是否在SessionFactory创建后，自动创建数据库表，none/create/create-drop/update-->

<property name="hbm2ddl.auto">none</property>

<!-- 是否把执行的SQL语句输出到控制台 -->

<property name="show_sql">true</property>

<!-- 是否把控制台SQL语句格式化 -->

<property name="format_sql">true</property>

<!-- 映射文件配置，配置文件名必须包含其相对于根的全路径 -->

<mapping resource="com/oracle/hibernetdemo/pojos/Users.hbm.xml" />

</session-factory>

   

</hibernate-configuration>

 

 

 

POJO类，User.java

 

package com.oracle.hibernetdemo.pojos;

public class Users {

private int userid;

private String username;

private String nickName;

private String password;

private String specialAttention;

private String sex;

private String favoriate;

private String  introduction;

private String head;

public int getUserid() {

return userid;

}

public void setUserid(int userid) {

this.userid = userid;

}

public String getUsername() {

return username;

}

public void setUsername(String username) {

this.username = username;

}

public String getNickName() {

return nickName;

}

public void setNickName(String nickName) {

this.nickName = nickName;

}

public String getPassword() {

return password;

}

public void setPassword(String password) {

this.password = password;

}

public String getSpecialAttention() {

return specialAttention;

}

public void setSpecialAttention(String specialAttention) {

this.specialAttention = specialAttention;

}

public String getSex() {

return sex;

}

public void setSex(String sex) {

this.sex = sex;

}

public String getFavoriate() {

return favoriate;

}

public void setFavoriate(String favoriate) {

this.favoriate = favoriate;

}

public String getIntroduction() {

return introduction;

}

public void setIntroduction(String introduction) {

this.introduction = introduction;

}

public String getHead() {

return head;

}

public void setHead(String head) {

this.head = head;

}

public Users() {

super();

}

public Users(int userid, String username, String nickName, String password,

String specialAttention, String sex, String favoriate,

String introduction, String head) {

super();

this.userid = userid;

this.username = username;

this.nickName = nickName;

this.password = password;

this.specialAttention = specialAttention;

this.sex = sex;

this.favoriate = favoriate;

this.introduction = introduction;

this.head = head;

}

@Override

public String toString() {

return "Users [userid=" + userid + ", username=" + username

+ ", nickName=" + nickName + ", password=" + password

+ ", specialAttention=" + specialAttention + ", sex=" + sex

+ ", favoriate=" + favoriate + ", introduction=" + introduction

+ ", head=" + head + "]";

}

 

}

 

 

 

 

 

 

 

 

 

User.hbm.xml

 

 

 

<?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.oracle.hibernetdemo.pojos.Users"  table="users">

            <id  name="userid"  type="java.lang.Integer">

                <column  name="userid"></column>

                <generator class="native" />

            </id>

            <property  name="username"  type="java.lang.String"  column="username"></property>

            <property  name="nickName"  type="java.lang.String"  column="nickName"></property>

            <property  name="password"  type="java.lang.String"  column="password"></property>

            <property  name="specialAttention"  type="java.lang.String"  column="specialAttention"></property>

            <property  name="sex"  type="java.lang.String"  column="sex"></property>

            <property  name="favoriate"  type="java.lang.String"  column="favoriate"></property>

            <property  name="introduction"  type="java.lang.String"  column="introduction"></property>

            <property  name="head"  type="java.lang.String"  column="head"></property>

        </class>

    </hibernate-mapping>

 

 

 

 

 

 

 

 

 

测试类:

 

TestHibernate.java

 

 

 

package com.oracle.hibernetdemo.pojos;

 

import org.hibernate.Session;

import org.hibernate.SessionFactory;

import org.hibernate.Transaction;

import org.hibernate.cfg.Configuration;

 

public class TestHibernate {

public static void main(String[] args) {

Users  user=new Users(0,"Avil","艾薇儿","Avirl","摇滚","女","唱歌","Cray women","images.gif");

Configuration  conf=new Configuration().configure();

SessionFactory  factory=conf.buildSessionFactory();

Session  session=factory.openSession();

Transaction  tr=session.beginTransaction();

session.save(user);

tr.commit();

session.close();

factory.close();

}

}