<? xml?version="1.0"?encoding="gb2312" ?>
<!-- Spring?配置文件的DTD?定義二〉
<!DOCTYPE?beans?PUBLIC?"-!!SPRING!!DTD?BEAN!!EN"??''http://www.springframework.org/dtd/spring-beans.dtd''>
????<!?--?Spring?配置文件的根元素是beans -->
???? < beans >
???????? <!-- 定義數據源，該bean?的ID?為dataSource -->
???????? < bean? id ="?dataSource" ?class ="?org.?springframework.jdbc.?datasource.?DriverManagerDataSource" >
???????? <!-- ?指定數據庫驅動 -->
???????? < property? name ="driverClassName" >< value > com.mysql.jdbc.Driver </ value ></ property >
???????? <!-- ?指定連接數據庫的URL -->
???????? < property? name ="url" >< value > jdbc:mysql://wonder:3306/j2ee </ ?value >
???????? <! property >
???????? <!-- ?root?為數據庫的用戶名 -->
???????? < property? name ="username" >< value > root </ value ></ property >
???????? <!-- pass?為數據庫密碼 -->
???????? < property? name =?"password" ? >< value > pass </ value ></ property >
???? </ bean >
???? <!-- 定義Hibernate?的SessionFactoy -->
???? < bean? id ="sessionFactory" ?class ="org.springframework.orm.hibernate3.LocalSessionFactoryBean" >
???????? <!-- 依賴注入數據源，注入正是上文定義的dataSource -->
???????? < property? name ="dataSource" >< ref? local ="dataSource" /></ property >
???????? <!-- mappingResouces屬性用來列出全部映射文件〉
????????<property?name="mappingResources">
????????????<list>
????????????????<!--以下用來列出所有的PO?映射文件 -->
???????????????? < value > lee/Person.hbm.xml </ value >
???????????? </ list >
???????? </ property >
???????? <!-- 定義Hibernate?的SessionFactory的屬性 -->
???????? < property? name ="hibernateProperties" >
???????????? < props >
???????????????? <!-- ?指定Hibernate?的連接方言 -->
???????????????? < prop? key ="hibernate.dialect" > org.hibernate.dialect.MySQLDialect </ prop >
???????????????? <!-- 不同數據庫連接，啟動時選擇create?，?update?,?create-drop -->
???????????????? < prop? key ="hibernate.hbm2ddl.auto" > update </ prop >
???????????? </ props >
???? </ property >
???? </ bean >
???? <!-- 配置Person?持久化類的DAO?bean -->
???? < bean? id ="personDao" ?class ="lee.PersonDaoImpl" >
???????? <!-- 采用依賴注入來傳入SessionFactory的引用〉
????????<property?name="sessionFactory"><ref?local="sessionFactory"/></property>
????</bean>
</beans>

public ? class ?PersonDaoImpl? implements ?PersonDao
... {
???? // ?執行持久化操作的HibernateTemplate
????HibernateTemplate?ht;
???? private ?SessionFactory?sessionFactory;
???? // 依賴注入Sess工onFactory?的必需的setter?方法
???? public ? void ?setSessionFactory(SessionFactory?sessionFactory)
???? ... {
???????? this .sessionFactory? = ?sessionFactory;
????}
???? // 該方法用于完成HibernateTemplate的初始化
???? private ? void ?setHibernateTemplate()????
???? ... {
???????? if ?(ht? == null ) ... {
????????????ht? = ? new ?HibernateTemplate(sessionFactory);
????????}
????}
???? /**?*/ /**
????*加載Person?實例
????*? @param ?id?需要加載Person?實例的主鍵值
????*? @return ?返回加載的Person?實例
???? */
???? public ?Person?get( int ?id) ... {
????????setHibernateTemplate();
???????? return ?(Person)ht.get(Person. class ?,? new ?Integer(id));
????}
???? /**?*/ /**
????*保存Person?實例
????*? @param ?person?需要保存的Person?實例
???? */
???? public ? void ?save(Person?person) ... {
????????setHibernateTemplate()?;
????????ht.save(person)?;
????}
???? /**?*/ /**
????*修改Person?實例
????*? @param ?person?需要修改的Person?實例
???? */
???? public ? void ?update(Person?person) ... {
????????setHibernateTemplate();
????????ht.update(person);
????}
???? /**?*/ /**
????*刪除Person?實例
????*? @param ?id?需要刪除的Person?id
???? */
???? public ? void ?delete( int ?id) ... {
????????setHibernateTemplate();
????????ht.delete(ht.get(Person. class ?,? new ?Integer(id)));
????}
???? /**?*/ /**
????*刪除Person?實例
????*? @param ?perso口需要刪除的Person?實例
???? */
???? public ? void ?delete(Person?person) ... {
????????setHibernateTemplate();
????????ht.delete(person)?;
????}
???? /**?*/ /**
????*根據用戶名查找Person
????*? @param ?name?用戶名
????*? @return ?用戶名對應的全部用戶
???? */
???? public ?List?findByPerson(String?name) ... {
????????setHibernateTemplate();
???????? return ?h?t.?find( " from?Person?p?where?p.name?like?? " ?,?name);
????}
???? /**?*/ /**
????*返回全部的Person?實例
????*? @return ?全部的Person?實例
???? */
???? public ?List?findAllPerson() ... {
????????setHibernateTemplate();
???????? return ?ht.find( " from?Person? " );
????}
}