1.Hibernate小试牛刀 Hibernate项目环境搭建、Hibernate项目开发示例

<?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url -->
<property name="hibernate.connection.url">
jdbc:oracle:thin:@localhost:1521:yanghl
</property>
<!-- 用户名 -->
<property name="hibernate.connection.username">scott</property>
<!-- 密码 -->
<property name="hibernate.connection.password">tiger</property>
<!-- 驱动 -->
<property name="hibernate.connection.driver_class">
oracle.jdbc.driver.OracleDriver
</property>
<!-- 自动更新数据库内容（创建表和约束） -->
<property name="hibernate.hbm2ddl.auto">update</property>
<!-- 在控制台显示sql语句 -->
<property name="hibernate.show_sql">true</property>
<!-- sql语句进行格式化 -->
<property name="hibernate.format_sql">true</property>
<!-- 把需要用到hibernate的持久类xml配置进来 -->
<mapping resource="com/bdqn/entity/User.hbm.xml" />
<mapping resource="com/bdqn/entity/Street.hbm.xml" />
<mapping resource="com/bdqn/entity/District.hbm.xml" />
</session-factory>

</hibernate-configuration>

<?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.bdqn.entity.User" table="pb_users" schema="scott">
<id name="id" type="java.lang.Long">
<column name="id" />
<generator class="sequence">
<param name="sequence">seq_users</param>
</generator>
</id>
<property name="name" type="java.lang.String">
<column name="name" length="20" not-null="true" />
</property>
<property name="password" type="java.lang.String">
<column name="password" length="20" not-null="true" />
</property>
<property name="image" type="blob" column="image" />
<property name="description" type="clob" column="description" />
<set name="pis" table="PB_PICS" lazy="true">
<key column="USERID"></key>
<element column="picpath" type="string" not-null="true" />
</set>
<list name="phones" table="news_phones" lazy="true">
<key column="U_ID"></key>
<list-index column="POSITION"></list-index>
<element column="PHONES" type="string" not-null="true" />
</list>
<map name="books" table="PB_BOOKS" lazy="true">
<key column="USERID"></key>
<map-key column="GRADID" type="string" ></map-key>
<element column="BOOKS" type="string" not-null="true" />
</map>
</class>
</hibernate-mapping>