Hibernate操作数据库的3个准备和七个步骤,以及在SSH框架中Hibernate的配置。
2014-07-24 16:53
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1.// 三个准备
1.添加Hibernate支持
2.创建Hibernate.cfg.xml文件
3.创建对象与映射文件
4. // 七个步骤
5. // 1.读取并解析Hibernate.cfg.xml文件 ------加载文件
6. Configuration cfg = new Configuration().configure();
7. // 2.读取并解析hbm文件(所有的mapping对应的hbm文件) ------加载后,创建对象
8. SessionFactory sf = cfg.buildSessionFactory();
9. //3.打开session,执行对象 ------相当于获于连接
10. Session session=sf.openSession();
11. //4.开始事务
12. Transaction tran=null;
13. try {
14. tran=session.beginTransaction();
15. //5.执久化操作
16. User user=new User("aa","123");
17. session.save(user);
18. //6.提交事务
19. tran.commit();
20.
21. } catch (HibernateException e) {
22. //6.回事务
23. tran.rollback();
24. e.printStackTrace();
25. } finally{//7关闭连接
26. session.close();
27. }
hibernate.cfg.xml配置
Hibernate的描述文件可以是一个properties属性文件,也可以是一个xml文件。下面讲一下Hibernate.cfg.xml的配置。配置格式如下:
1. 配置数据源
在Hibernate.cfg.xml中既可以配置JDBC,也可以配置JNDI。在本小节中讲述数据源如何配置,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>
<!-- 各属性的配置-->
<!—为true表示将Hibernate发送给数据库的sql显示出来 -->
<property
name="show_sql">true</property>
<!-- SQL方言,这边设定的是MySQL
-->
<property
name="dialect">net.sf.hibernate.dialect.MySQLDialect</property>
<!-- 一次读的数据库记录数
-->
<property
name="jdbc.fetch_size">50</property>
<!-- 设定对数据库进行批量删除
-->
<property
name="jdbc.batch_size">30</property>
<!—下面为JNDI的配置 -->
<!-- 数据源的名称
-->
<property
name="connection.datasource">java:comp/env/jdbc/datasourcename</property>
<!-- Hibernate的连接加载类
-->
<property
name="connection.provider_class">net.sf.hibernate.connection.DatasourceConnectionProvider</property>
<property
name="dialect">net.sf.hibernate.dialect.SQLServerDialect</property>
<!—映射文件 -->
<mapping
resource="com/amigo/pojo/User.hbm.xml"/>
<mapping
resource="com/amigo/pojo/Org.hbm.xml"/>
</session-factory>
</hibernate-configuration>
2. c3p0连接池
c3p0连接池是Hibernate推荐使用的连接池,若需要使用该连接池时,需要将c3p0的jar包加入到classpath中。c3p0连接池的配置示例如下:
<?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>
<!-- 显示实际操作数据库时的SQL
-->
<property
name="show_sql">true</property>
<!-- SQL方言,这边设定的是MySQL
-->
<property
name="dialect">net.sf.hibernate.dialect.MySQLDialect</property>
<!--驱动程序,在后续的章节中将讲述mysql、sqlserver和Oracle数据库的配置
-->
<property
name="connection.driver_class">……</property>
<!-- JDBC URL
-->
<property
name="connection.url">……</property>
<!-- 数据库用户名
-->
<property
name="connection.username">user</property>
<!-- 数据库密码
-->
<property
name="connection.password">pass</property>
<property
name="c3p0.min_size">5</property>
<property
name="c3p0.max_size">20</property>
<property
name="c3p0.timeout">1800</property>
<property
name="c3p0.max_statements">50</property>
<!-- 对象与数据库表格映像文件
-->
<mapping
resource="com/amigo/pojo/User.hbm.xml"/>
<mapping
resource="com/amigo/pojo/Org.hbm.xml"/>
</session-factory>
</hibernate-configuration>
在上述配置中,Hibernate根据配置文件生成连接,再交给c3p0管理。
3. proxool连接池
proxool跟c3p0以及dbcp不一样,它是自己生成连接的,因此连接信息放在proxool配置文件中。使用它时,需要将proxool-0.8.3.jar加入到classespath中。配置举例如下:
<?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>
<!-- 显示实际操作数据库时的SQL
-->
<property
name="show_sql">true</property>
<!-- SQL方言,这边设定的是MySQL
-->
<property
name="dialect">net.sf.hibernate.dialect.MySQLDialect</property>
<!—proxool的配置 -->
<property
name="proxool.pool_alias">pool1</property>
<property
name="proxool.xml">ProxoolConf.xml</property>
<property
name="connection.provider_class">net.sf.hibernate.connection.ProxoolConnectionProvider</property>
<!-- 对象与数据库表格映像文件
-->
<mapping
resource="com/amigo/pojo/User.hbm.xml"/>
<mapping
resource="com/amigo/pojo/Org.hbm.xml"/>
</session-factory>
</hibernate-configuration>
在hibernate.cfg.xml的同目录下编写proxool的配置文件:ProxoolConf.xml,该文件的配置实例如下:
ProxoolConf.xml
<?xml version="1.0" encoding="utf-8"?>
<!-- the proxool configuration can be embedded within your own application's.
Anything outside the "proxool" tag is ignored.
-->
<something-else-entirely>
<proxool>
<alias>pool1</alias>
<!--proxool只能管理由自己产生的连接-->
<!-- 驱动的url-->
<!-- jdbc:mysql://localhost:3306/dbname?useUnicode=true&characterEncoding=GBK-->
<driver-url>…
</driver-url>
<!-- 驱动类,eg. com.mysql.jdbc.Driver-->
<driver-class>…
</driver-class>
<driver-properties>
<!-- 数据库用户名,eg. value为root-->
<property
name="user" value="…"/>
<!-- 数据库密码,eg. value为root-->
<property
name="password" value="…."/>
</driver-properties>
<!-- proxool自动侦察各个连接状态的时间间隔(毫秒),侦察到空闲的连接就马上回收,超时的销毁-->
<house-keeping-sleep-time>90000</house-keeping-sleep-time>
<!-- 指因未有空闲连接可以分配而在队列中等候的最大请求数,超过这个请求数的用户连接就不会被接受-->
<maximum-new-connections>20</maximum-new-connections>
<!-- 最少保持的空闲连接数-->
<prototype-count>5</prototype-count>
<!-- 允许最大连接数,超过了这个连接,再有请求时,就排在队列中等候,最大的等待请求数由maximum-new-connections决定-->
<maximum-connection-count>100</maximum-connection-count>
<!-- 最小连接数-->
<minimum-connection-count>10</minimum-connection-count>
</proxool>
</something-else-entirely>
4. dbcp连接池
在hibernate3.0中,已经不再支持dbcp了,hibernate的作者在hibernate.org中,明确指出在实践中发现dbcp有 BUG,在某些种情会产生很多空连接不能释放,所以抛弃了对dbcp的支持。若需要使用dbcp,开发人员还需要将commons-pool-1.2.jar 和commons-dbcp-1.2.1.jar两个jar包加入到classpath中。dbcp与c3p0一样,都是由hibernate建立连接的。
hibernate.cfg.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 2.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<!-- 显示实际操作数据库时的SQL
-->
<property
name="show_sql">true</property>
<!-- SQL方言,这边设定的是MySQL
-->
<property
name="dialect">net.sf.hibernate.dialect.MySQLDialect</property>
<!--驱动程序,在后续的章节中将讲述mysql、sqlserver和Oracle数据库的配置
-->
<property
name="connection.driver_class">……</property>
<!-- JDBC URL
-->
<property
name="connection.url">……</property>
<!-- 数据库用户名,eg. root
-->
<property
name="connection.username">…</property>
<!-- 数据库密码, eg. root-->
<property
name="connection.password">…</property>
<property
name="dbcp.maxActive">100</property>
<property
name="dbcp.whenExhaustedAction">1</property>
<property
name="dbcp.maxWait">60000</property>
<property
name="dbcp.maxIdle">10</property>
<property
name="dbcp.ps.maxActive">100</property>
<property
name="dbcp.ps.whenExhaustedAction">1</property>
<property
name="dbcp.ps.maxWait">60000</property>
<property
name="dbcp.ps.maxIdle">10</property>
<!-- 对象与数据库表格映像文件
-->
<mapping
resource="com/amigo/pojo/User.hbm.xml"/>
<mapping
resource="com/amigo/pojo/Org.hbm.xml"/>
</session-factory>
</hibernate-configuration>
5. MySql连接配置
在hibernate中,可以配置很多种数据库,例如MySql、Sql Server和Oracle,MySql的配置举例如下:
<?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>
<!-- 各属性的配置-->
<!—为true表示将Hibernate发送给数据库的sql显示出来 -->
<property
name="show_sql">true</property>
<!-- SQL方言,这边设定的是MySQL
-->
<property
name="dialect">net.sf.hibernate.dialect.MySQLDialect</property>
<!-- 一次读的数据库记录数
-->
<property
name="jdbc.fetch_size">50</property>
<!-- 设定对数据库进行批量删除
-->
<property
name="jdbc.batch_size">30</property>
<!--驱动程序-->
<property
name="connection.driver_class">com.mysql.jdbc.Driver</property>
<!-- JDBC URL
-->
<property
name="connection.url">jdbc:mysql://localhost/dbname?characterEncoding=gb2312</property>
<!-- 数据库用户名-->
<property
name="connection.username">root</property>
<!-- 数据库密码-->
<property
name="connection.password">root</property>
<!—映射文件 -->
<mapping
resource="com/amigo/pojo/User.hbm.xml"/>
<mapping
resource="com/amigo/pojo/Org.hbm.xml"/>
</session-factory>
</hibernate-configuration>
上面使用的驱动类是com.mysql.jdbc.Driver。需要将MySql的连接器jar包(eg. mysql-connector-java-5.0.4-bin.jar)加入到classpath中。
6. Sql Server连接配置
本小节讲述一下Sql Server数据库的hibernate连接设置,在此只给出连接部分的内容,其余部分与2.2.1.5一样,在此不再赘述。内容如下:
<!--驱动程序-->
<property
name="connection.driver_class">net.sourceforge.jtds.jdbc.Driver</property>
<!-- JDBC URL
-->
<property
name="connection.url">jdbc:jtds:sqlserver://localhost:1433;DatabaseName=dbname</property>
<!-- 数据库用户名-->
<property
name="connection.username">sa</property>
<!-- 数据库密码-->
<property
name="connection.password"></property>
上例的驱动类使用的是jtds的驱动类,因此读者需要将jtds的jar包(eg. jtds-1.2.jar)加入到classpath中。
7. Oracle连接配置
本小节讲述一下Sql Server数据库的hibernate连接设置,在此只给出连接部分的内容,其余部分与2.2.1.5一样,在此不再赘述。内容如下:
<!--驱动程序-->
<property
name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
<!-- JDBC URL
-->
<property
name="connection.url">jdbc:oracle:thin:@localhost:1521:dbname</property>
<!-- 数据库用户名-->
<property
name="connection.username">test</property>
<!-- 数据库密码-->
<property
name="connection.password">test</property>
上例使用的驱动类为:oracle.jdbc.driver.OracleDriver,开发人员需要将相关的jar包(ojdbc14.jar)加入到classpath中。
SSH中Hibernate的使用
Spring中的配置:
applicationContext.xml:
------连接数据库配置:
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/mldn"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 使spring自动管理关闭hibernate-->
<prop key="hibernate.connection.release_mode">auto</prop>
<!-- 表示允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>zhinangtuan/vo/User.hbm.xml</value>
<value>zhinangtuan/vo/Admin.hbm.xml</value></list>
</property></bean>
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
-------Hibernate使用时的配置
-DAO接口:
<bean id="iadmindao" class="zhinangtuan.dao.IAdminDAO" abstract="true"></bean>
-DAO实现(Ipml)和注入:
<bean id="iadmindaoimpl" class="zhinangtuan.dao.impl.IAdminDAOImpl" parent="iadmindao">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>
-Action中的注入:
<bean name="/adminsave" class="zhinangtuan.struts.action.AdminAction">
<property name="iadmindao">
<ref bean="iadmindaoimpl"/>
</property>
</bean>
-------------
各个类
1.DAO:
public interface IAdminDAO {
public void save(Admin admin);
}
2.DAOImpl:
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class IAdminDAOImpl extends HibernateDaoSupport implements IAdminDAO{
public void save(Admin admin)
{
System.out.println("准备保存");
this.getSession().save(admin);
}
}
3.Action:
public class AdminAction extends DispatchAction {
private IAdminDAO iadmindao;
...
iadmindao.save(admin);
...
public IAdminDAO getIadmindao() {
return iadmindao;
}
public void setIadmindao(IAdminDAO iadmindao) {
this.iadmindao = iadmindao;
}
SSH中Hibernate的使用(2012-12-17 11:25:17)
转载▼
Spring中的配置:
applicationContext.xml:
------连接数据库配置:
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/mldn"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 使spring自动管理关闭hibernate-->
<prop key="hibernate.connection.release_mode">auto</prop>
<!-- 表示允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>zhinangtuan/vo/User.hbm.xml</value>
<value>zhinangtuan/vo/Admin.hbm.xml</value></list>
</property></bean>
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
-------Hibernate使用时的配置
-DAO接口:
<bean id="iadmindao" class="zhinangtuan.dao.IAdminDAO" abstract="true"></bean>
-DAO实现(Ipml)和注入:
<bean id="iadmindaoimpl" class="zhinangtuan.dao.impl.IAdminDAOImpl" parent="iadmindao">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>
-Action中的注入:
<bean name="/adminsave" class="zhinangtuan.struts.action.AdminAction">
<property name="iadmindao">
<ref bean="iadmindaoimpl"/>
</property>
</bean>
-------------
各个类
1.DAO:
public interface IAdminDAO {
public void save(Admin admin);
}
2.DAOImpl:
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class IAdminDAOImpl extends HibernateDaoSupport implements IAdminDAO{
public void save(Admin admin)
{
System.out.println("准备保存");
this.getSession().save(admin);
}
}
3.Action:
public class AdminAction extends DispatchAction {
private IAdminDAO iadmindao;
...
iadmindao.save(admin);
...
public IAdminDAO getIadmindao() {
return iadmindao;
}
public void setIadmindao(IAdminDAO iadmindao) {
this.iadmindao = iadmindao;
}
SSH中Hibernate的使用(2012-12-17 11:25:17)
转载▼
Spring中的配置:
applicationContext.xml:
------连接数据库配置:
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/mldn"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 使spring自动管理关闭hibernate-->
<prop key="hibernate.connection.release_mode">auto</prop>
<!-- 表示允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>zhinangtuan/vo/User.hbm.xml</value>
<value>zhinangtuan/vo/Admin.hbm.xml</value></list>
</property></bean>
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
-------Hibernate使用时的配置
-DAO接口:
<bean id="iadmindao" class="zhinangtuan.dao.IAdminDAO" abstract="true"></bean>
-DAO实现(Ipml)和注入:
<bean id="iadmindaoimpl" class="zhinangtuan.dao.impl.IAdminDAOImpl" parent="iadmindao">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>
-Action中的注入:
<bean name="/adminsave" class="zhinangtuan.struts.action.AdminAction">
<property name="iadmindao">
<ref bean="iadmindaoimpl"/>
</property>
</bean>
-------------
各个类
1.DAO:
public interface IAdminDAO {
public void save(Admin admin);
}
2.DAOImpl:
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class IAdminDAOImpl extends HibernateDaoSupport implements IAdminDAO{
public void save(Admin admin)
{
System.out.println("准备保存");
this.getSession().save(admin);
}
}
3.Action:
public class AdminAction extends DispatchAction {
private IAdminDAO iadmindao;
...
iadmindao.save(admin);
...
public IAdminDAO getIadmindao() {
return iadmindao;
}
public void setIadmindao(IAdminDAO iadmindao) {
this.iadmindao = iadmindao;
}
SSH中Hibernate的使用(2012-12-17 11:25:17)
转载▼
Spring中的配置:
applicationContext.xml:
------连接数据库配置:
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/mldn"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 使spring自动管理关闭hibernate-->
<prop key="hibernate.connection.release_mode">auto</prop>
<!-- 表示允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>zhinangtuan/vo/User.hbm.xml</value>
<value>zhinangtuan/vo/Admin.hbm.xml</value></list>
</property></bean>
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
-------Hibernate使用时的配置
-DAO接口:
<bean id="iadmindao" class="zhinangtuan.dao.IAdminDAO" abstract="true"></bean>
-DAO实现(Ipml)和注入:
<bean id="iadmindaoimpl" class="zhinangtuan.dao.impl.IAdminDAOImpl" parent="iadmindao">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>
-Action中的注入:
<bean name="/adminsave" class="zhinangtuan.struts.action.AdminAction">
<property name="iadmindao">
<ref bean="iadmindaoimpl"/>
</property>
</bean>
-------------
各个类
1.DAO:
public interface IAdminDAO {
public void save(Admin admin);
}
2.DAOImpl:
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class IAdminDAOImpl extends HibernateDaoSupport implements IAdminDAO{
public void save(Admin admin)
{
System.out.println("准备保存");
this.getSession().save(admin);
}
}
3.Action:
public class AdminAction extends DispatchAction {
private IAdminDAO iadmindao;
...
iadmindao.save(admin);
...
public IAdminDAO getIadmindao() {
return iadmindao;
}
public void setIadmindao(IAdminDAO iadmindao) {
this.iadmindao = iadmindao;
}
SSH中Hibernate的使用(2012-12-17 11:25:17)
转载▼
Spring中的配置:
applicationContext.xml:
------连接数据库配置:
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/mldn"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 使spring自动管理关闭hibernate-->
<prop key="hibernate.connection.release_mode">auto</prop>
<!-- 表示允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>zhinangtuan/vo/User.hbm.xml</value>
<value>zhinangtuan/vo/Admin.hbm.xml</value></list>
</property></bean>
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
-------Hibernate使用时的配置
-DAO接口:
<bean id="iadmindao" class="zhinangtuan.dao.IAdminDAO" abstract="true"></bean>
-DAO实现(Ipml)和注入:
<bean id="iadmindaoimpl" class="zhinangtuan.dao.impl.IAdminDAOImpl" parent="iadmindao">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>
-Action中的注入:
<bean name="/adminsave" class="zhinangtuan.struts.action.AdminAction">
<property name="iadmindao">
<ref bean="iadmindaoimpl"/>
</property>
</bean>
-------------
各个类
1.DAO:
public interface IAdminDAO {
public void save(Admin admin);
}
2.DAOImpl:
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class IAdminDAOImpl extends HibernateDaoSupport implements IAdminDAO{
public void save(Admin admin)
{
System.out.println("准备保存");
this.getSession().save(admin);
}
}
3.Action:
public class AdminAction extends DispatchAction {
private IAdminDAO iadmindao;
...
iadmindao.save(admin);
...
public IAdminDAO getIadmindao() {
return iadmindao;
}
public void setIadmindao(IAdminDAO iadmindao) {
this.iadmindao = iadmindao;
}
SSH中Hibernate的使用(2012-12-17 11:25:17)
转载▼
Spring中的配置:
applicationContext.xml:
------连接数据库配置:
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/mldn"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 使spring自动管理关闭hibernate-->
<prop key="hibernate.connection.release_mode">auto</prop>
<!-- 表示允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>zhinangtuan/vo/User.hbm.xml</value>
<value>zhinangtuan/vo/Admin.hbm.xml</value></list>
</property></bean>
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
-------Hibernate使用时的配置
-DAO接口:
<bean id="iadmindao" class="zhinangtuan.dao.IAdminDAO" abstract="true"></bean>
-DAO实现(Ipml)和注入:
<bean id="iadmindaoimpl" class="zhinangtuan.dao.impl.IAdminDAOImpl" parent="iadmindao">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>
-Action中的注入:
<bean name="/adminsave" class="zhinangtuan.struts.action.AdminAction">
<property name="iadmindao">
<ref bean="iadmindaoimpl"/>
</property>
</bean>
-------------
各个类
1.DAO:
public interface IAdminDAO {
public void save(Admin admin);
}
2.DAOImpl:
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class IAdminDAOImpl extends HibernateDaoSupport implements IAdminDAO{
public void save(Admin admin)
{
System.out.println("准备保存");
this.getSession().save(admin);
}
}
3.Action:
public class AdminAction extends DispatchAction {
private IAdminDAO iadmindao;
...
iadmindao.save(admin);
...
public IAdminDAO getIadmindao() {
return iadmindao;
}
public void setIadmindao(IAdminDAO iadmindao) {
this.iadmindao = iadmindao;
}
SSH中Hibernate的使用(2012-12-17 11:25:17)
转载▼
Spring中的配置:
applicationContext.xml:
------连接数据库配置:
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/mldn"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 使spring自动管理关闭hibernate-->
<prop key="hibernate.connection.release_mode">auto</prop>
<!-- 表示允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>zhinangtuan/vo/User.hbm.xml</value>
<value>zhinangtuan/vo/Admin.hbm.xml</value></list>
</property></bean>
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
-------Hibernate使用时的配置
-DAO接口:
<bean id="iadmindao" class="zhinangtuan.dao.IAdminDAO" abstract="true"></bean>
-DAO实现(Ipml)和注入:
<bean id="iadmindaoimpl" class="zhinangtuan.dao.impl.IAdminDAOImpl" parent="iadmindao">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>
-Action中的注入:
<bean name="/adminsave" class="zhinangtuan.struts.action.AdminAction">
<property name="iadmindao">
<ref bean="iadmindaoimpl"/>
</property>
</bean>
-------------
各个类
1.DAO:
public interface IAdminDAO {
public void save(Admin admin);
}
2.DAOImpl:
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class IAdminDAOImpl extends HibernateDaoSupport implements IAdminDAO{
public void save(Admin admin)
{
System.out.println("准备保存");
this.getSession().save(admin);
}
}
3.Action:
public class AdminAction extends DispatchAction {
private IAdminDAO iadmindao;
...
iadmindao.save(admin);
...
public IAdminDAO getIadmindao() {
return iadmindao;
}
public void setIadmindao(IAdminDAO iadmindao) {
this.iadmindao = iadmindao;
}
1.添加Hibernate支持
2.创建Hibernate.cfg.xml文件
3.创建对象与映射文件
4. // 七个步骤
5. // 1.读取并解析Hibernate.cfg.xml文件 ------加载文件
6. Configuration cfg = new Configuration().configure();
7. // 2.读取并解析hbm文件(所有的mapping对应的hbm文件) ------加载后,创建对象
8. SessionFactory sf = cfg.buildSessionFactory();
9. //3.打开session,执行对象 ------相当于获于连接
10. Session session=sf.openSession();
11. //4.开始事务
12. Transaction tran=null;
13. try {
14. tran=session.beginTransaction();
15. //5.执久化操作
16. User user=new User("aa","123");
17. session.save(user);
18. //6.提交事务
19. tran.commit();
20.
21. } catch (HibernateException e) {
22. //6.回事务
23. tran.rollback();
24. e.printStackTrace();
25. } finally{//7关闭连接
26. session.close();
27. }
hibernate.cfg.xml配置
Hibernate的描述文件可以是一个properties属性文件,也可以是一个xml文件。下面讲一下Hibernate.cfg.xml的配置。配置格式如下:1. 配置数据源
在Hibernate.cfg.xml中既可以配置JDBC,也可以配置JNDI。在本小节中讲述数据源如何配置,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>
<!-- 各属性的配置-->
<!—为true表示将Hibernate发送给数据库的sql显示出来 -->
<property
name="show_sql">true</property>
<!-- SQL方言,这边设定的是MySQL
-->
<property
name="dialect">net.sf.hibernate.dialect.MySQLDialect</property>
<!-- 一次读的数据库记录数
-->
<property
name="jdbc.fetch_size">50</property>
<!-- 设定对数据库进行批量删除
-->
<property
name="jdbc.batch_size">30</property>
<!—下面为JNDI的配置 -->
<!-- 数据源的名称
-->
<property
name="connection.datasource">java:comp/env/jdbc/datasourcename</property>
<!-- Hibernate的连接加载类
-->
<property
name="connection.provider_class">net.sf.hibernate.connection.DatasourceConnectionProvider</property>
<property
name="dialect">net.sf.hibernate.dialect.SQLServerDialect</property>
<!—映射文件 -->
<mapping
resource="com/amigo/pojo/User.hbm.xml"/>
<mapping
resource="com/amigo/pojo/Org.hbm.xml"/>
</session-factory>
</hibernate-configuration>
2. c3p0连接池
c3p0连接池是Hibernate推荐使用的连接池,若需要使用该连接池时,需要将c3p0的jar包加入到classpath中。c3p0连接池的配置示例如下:
<?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>
<!-- 显示实际操作数据库时的SQL
-->
<property
name="show_sql">true</property>
<!-- SQL方言,这边设定的是MySQL
-->
<property
name="dialect">net.sf.hibernate.dialect.MySQLDialect</property>
<!--驱动程序,在后续的章节中将讲述mysql、sqlserver和Oracle数据库的配置
-->
<property
name="connection.driver_class">……</property>
<!-- JDBC URL
-->
<property
name="connection.url">……</property>
<!-- 数据库用户名
-->
<property
name="connection.username">user</property>
<!-- 数据库密码
-->
<property
name="connection.password">pass</property>
<property
name="c3p0.min_size">5</property>
<property
name="c3p0.max_size">20</property>
<property
name="c3p0.timeout">1800</property>
<property
name="c3p0.max_statements">50</property>
<!-- 对象与数据库表格映像文件
-->
<mapping
resource="com/amigo/pojo/User.hbm.xml"/>
<mapping
resource="com/amigo/pojo/Org.hbm.xml"/>
</session-factory>
</hibernate-configuration>
在上述配置中,Hibernate根据配置文件生成连接,再交给c3p0管理。
3. proxool连接池
proxool跟c3p0以及dbcp不一样,它是自己生成连接的,因此连接信息放在proxool配置文件中。使用它时,需要将proxool-0.8.3.jar加入到classespath中。配置举例如下:
<?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>
<!-- 显示实际操作数据库时的SQL
-->
<property
name="show_sql">true</property>
<!-- SQL方言,这边设定的是MySQL
-->
<property
name="dialect">net.sf.hibernate.dialect.MySQLDialect</property>
<!—proxool的配置 -->
<property
name="proxool.pool_alias">pool1</property>
<property
name="proxool.xml">ProxoolConf.xml</property>
<property
name="connection.provider_class">net.sf.hibernate.connection.ProxoolConnectionProvider</property>
<!-- 对象与数据库表格映像文件
-->
<mapping
resource="com/amigo/pojo/User.hbm.xml"/>
<mapping
resource="com/amigo/pojo/Org.hbm.xml"/>
</session-factory>
</hibernate-configuration>
在hibernate.cfg.xml的同目录下编写proxool的配置文件:ProxoolConf.xml,该文件的配置实例如下:
ProxoolConf.xml
<?xml version="1.0" encoding="utf-8"?>
<!-- the proxool configuration can be embedded within your own application's.
Anything outside the "proxool" tag is ignored.
-->
<something-else-entirely>
<proxool>
<alias>pool1</alias>
<!--proxool只能管理由自己产生的连接-->
<!-- 驱动的url-->
<!-- jdbc:mysql://localhost:3306/dbname?useUnicode=true&characterEncoding=GBK-->
<driver-url>…
</driver-url>
<!-- 驱动类,eg. com.mysql.jdbc.Driver-->
<driver-class>…
</driver-class>
<driver-properties>
<!-- 数据库用户名,eg. value为root-->
<property
name="user" value="…"/>
<!-- 数据库密码,eg. value为root-->
<property
name="password" value="…."/>
</driver-properties>
<!-- proxool自动侦察各个连接状态的时间间隔(毫秒),侦察到空闲的连接就马上回收,超时的销毁-->
<house-keeping-sleep-time>90000</house-keeping-sleep-time>
<!-- 指因未有空闲连接可以分配而在队列中等候的最大请求数,超过这个请求数的用户连接就不会被接受-->
<maximum-new-connections>20</maximum-new-connections>
<!-- 最少保持的空闲连接数-->
<prototype-count>5</prototype-count>
<!-- 允许最大连接数,超过了这个连接,再有请求时,就排在队列中等候,最大的等待请求数由maximum-new-connections决定-->
<maximum-connection-count>100</maximum-connection-count>
<!-- 最小连接数-->
<minimum-connection-count>10</minimum-connection-count>
</proxool>
</something-else-entirely>
4. dbcp连接池
在hibernate3.0中,已经不再支持dbcp了,hibernate的作者在hibernate.org中,明确指出在实践中发现dbcp有 BUG,在某些种情会产生很多空连接不能释放,所以抛弃了对dbcp的支持。若需要使用dbcp,开发人员还需要将commons-pool-1.2.jar 和commons-dbcp-1.2.1.jar两个jar包加入到classpath中。dbcp与c3p0一样,都是由hibernate建立连接的。
hibernate.cfg.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 2.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<!-- 显示实际操作数据库时的SQL
-->
<property
name="show_sql">true</property>
<!-- SQL方言,这边设定的是MySQL
-->
<property
name="dialect">net.sf.hibernate.dialect.MySQLDialect</property>
<!--驱动程序,在后续的章节中将讲述mysql、sqlserver和Oracle数据库的配置
-->
<property
name="connection.driver_class">……</property>
<!-- JDBC URL
-->
<property
name="connection.url">……</property>
<!-- 数据库用户名,eg. root
-->
<property
name="connection.username">…</property>
<!-- 数据库密码, eg. root-->
<property
name="connection.password">…</property>
<property
name="dbcp.maxActive">100</property>
<property
name="dbcp.whenExhaustedAction">1</property>
<property
name="dbcp.maxWait">60000</property>
<property
name="dbcp.maxIdle">10</property>
<property
name="dbcp.ps.maxActive">100</property>
<property
name="dbcp.ps.whenExhaustedAction">1</property>
<property
name="dbcp.ps.maxWait">60000</property>
<property
name="dbcp.ps.maxIdle">10</property>
<!-- 对象与数据库表格映像文件
-->
<mapping
resource="com/amigo/pojo/User.hbm.xml"/>
<mapping
resource="com/amigo/pojo/Org.hbm.xml"/>
</session-factory>
</hibernate-configuration>
5. MySql连接配置
在hibernate中,可以配置很多种数据库,例如MySql、Sql Server和Oracle,MySql的配置举例如下:
<?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>
<!-- 各属性的配置-->
<!—为true表示将Hibernate发送给数据库的sql显示出来 -->
<property
name="show_sql">true</property>
<!-- SQL方言,这边设定的是MySQL
-->
<property
name="dialect">net.sf.hibernate.dialect.MySQLDialect</property>
<!-- 一次读的数据库记录数
-->
<property
name="jdbc.fetch_size">50</property>
<!-- 设定对数据库进行批量删除
-->
<property
name="jdbc.batch_size">30</property>
<!--驱动程序-->
<property
name="connection.driver_class">com.mysql.jdbc.Driver</property>
<!-- JDBC URL
-->
<property
name="connection.url">jdbc:mysql://localhost/dbname?characterEncoding=gb2312</property>
<!-- 数据库用户名-->
<property
name="connection.username">root</property>
<!-- 数据库密码-->
<property
name="connection.password">root</property>
<!—映射文件 -->
<mapping
resource="com/amigo/pojo/User.hbm.xml"/>
<mapping
resource="com/amigo/pojo/Org.hbm.xml"/>
</session-factory>
</hibernate-configuration>
上面使用的驱动类是com.mysql.jdbc.Driver。需要将MySql的连接器jar包(eg. mysql-connector-java-5.0.4-bin.jar)加入到classpath中。
6. Sql Server连接配置
本小节讲述一下Sql Server数据库的hibernate连接设置,在此只给出连接部分的内容,其余部分与2.2.1.5一样,在此不再赘述。内容如下:
<!--驱动程序-->
<property
name="connection.driver_class">net.sourceforge.jtds.jdbc.Driver</property>
<!-- JDBC URL
-->
<property
name="connection.url">jdbc:jtds:sqlserver://localhost:1433;DatabaseName=dbname</property>
<!-- 数据库用户名-->
<property
name="connection.username">sa</property>
<!-- 数据库密码-->
<property
name="connection.password"></property>
上例的驱动类使用的是jtds的驱动类,因此读者需要将jtds的jar包(eg. jtds-1.2.jar)加入到classpath中。
7. Oracle连接配置
本小节讲述一下Sql Server数据库的hibernate连接设置,在此只给出连接部分的内容,其余部分与2.2.1.5一样,在此不再赘述。内容如下:
<!--驱动程序-->
<property
name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
<!-- JDBC URL
-->
<property
name="connection.url">jdbc:oracle:thin:@localhost:1521:dbname</property>
<!-- 数据库用户名-->
<property
name="connection.username">test</property>
<!-- 数据库密码-->
<property
name="connection.password">test</property>
上例使用的驱动类为:oracle.jdbc.driver.OracleDriver,开发人员需要将相关的jar包(ojdbc14.jar)加入到classpath中。
SSH中Hibernate的使用
Spring中的配置:
applicationContext.xml:
------连接数据库配置:
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/mldn"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 使spring自动管理关闭hibernate-->
<prop key="hibernate.connection.release_mode">auto</prop>
<!-- 表示允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>zhinangtuan/vo/User.hbm.xml</value>
<value>zhinangtuan/vo/Admin.hbm.xml</value></list>
</property></bean>
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
-------Hibernate使用时的配置
-DAO接口:
<bean id="iadmindao" class="zhinangtuan.dao.IAdminDAO" abstract="true"></bean>
-DAO实现(Ipml)和注入:
<bean id="iadmindaoimpl" class="zhinangtuan.dao.impl.IAdminDAOImpl" parent="iadmindao">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>
-Action中的注入:
<bean name="/adminsave" class="zhinangtuan.struts.action.AdminAction">
<property name="iadmindao">
<ref bean="iadmindaoimpl"/>
</property>
</bean>
-------------
各个类
1.DAO:
public interface IAdminDAO {
public void save(Admin admin);
}
2.DAOImpl:
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class IAdminDAOImpl extends HibernateDaoSupport implements IAdminDAO{
public void save(Admin admin)
{
System.out.println("准备保存");
this.getSession().save(admin);
}
}
3.Action:
public class AdminAction extends DispatchAction {
private IAdminDAO iadmindao;
...
iadmindao.save(admin);
...
public IAdminDAO getIadmindao() {
return iadmindao;
}
public void setIadmindao(IAdminDAO iadmindao) {
this.iadmindao = iadmindao;
}
SSH中Hibernate的使用(2012-12-17 11:25:17)
转载▼
标签:杂谈 |
applicationContext.xml:
------连接数据库配置:
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/mldn"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 使spring自动管理关闭hibernate-->
<prop key="hibernate.connection.release_mode">auto</prop>
<!-- 表示允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>zhinangtuan/vo/User.hbm.xml</value>
<value>zhinangtuan/vo/Admin.hbm.xml</value></list>
</property></bean>
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
-------Hibernate使用时的配置
-DAO接口:
<bean id="iadmindao" class="zhinangtuan.dao.IAdminDAO" abstract="true"></bean>
-DAO实现(Ipml)和注入:
<bean id="iadmindaoimpl" class="zhinangtuan.dao.impl.IAdminDAOImpl" parent="iadmindao">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>
-Action中的注入:
<bean name="/adminsave" class="zhinangtuan.struts.action.AdminAction">
<property name="iadmindao">
<ref bean="iadmindaoimpl"/>
</property>
</bean>
-------------
各个类
1.DAO:
public interface IAdminDAO {
public void save(Admin admin);
}
2.DAOImpl:
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class IAdminDAOImpl extends HibernateDaoSupport implements IAdminDAO{
public void save(Admin admin)
{
System.out.println("准备保存");
this.getSession().save(admin);
}
}
3.Action:
public class AdminAction extends DispatchAction {
private IAdminDAO iadmindao;
...
iadmindao.save(admin);
...
public IAdminDAO getIadmindao() {
return iadmindao;
}
public void setIadmindao(IAdminDAO iadmindao) {
this.iadmindao = iadmindao;
}
SSH中Hibernate的使用(2012-12-17 11:25:17)
转载▼
标签:杂谈 |
applicationContext.xml:
------连接数据库配置:
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/mldn"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 使spring自动管理关闭hibernate-->
<prop key="hibernate.connection.release_mode">auto</prop>
<!-- 表示允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>zhinangtuan/vo/User.hbm.xml</value>
<value>zhinangtuan/vo/Admin.hbm.xml</value></list>
</property></bean>
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
-------Hibernate使用时的配置
-DAO接口:
<bean id="iadmindao" class="zhinangtuan.dao.IAdminDAO" abstract="true"></bean>
-DAO实现(Ipml)和注入:
<bean id="iadmindaoimpl" class="zhinangtuan.dao.impl.IAdminDAOImpl" parent="iadmindao">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>
-Action中的注入:
<bean name="/adminsave" class="zhinangtuan.struts.action.AdminAction">
<property name="iadmindao">
<ref bean="iadmindaoimpl"/>
</property>
</bean>
-------------
各个类
1.DAO:
public interface IAdminDAO {
public void save(Admin admin);
}
2.DAOImpl:
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class IAdminDAOImpl extends HibernateDaoSupport implements IAdminDAO{
public void save(Admin admin)
{
System.out.println("准备保存");
this.getSession().save(admin);
}
}
3.Action:
public class AdminAction extends DispatchAction {
private IAdminDAO iadmindao;
...
iadmindao.save(admin);
...
public IAdminDAO getIadmindao() {
return iadmindao;
}
public void setIadmindao(IAdminDAO iadmindao) {
this.iadmindao = iadmindao;
}
SSH中Hibernate的使用(2012-12-17 11:25:17)
转载▼
标签:杂谈 |
applicationContext.xml:
------连接数据库配置:
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/mldn"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 使spring自动管理关闭hibernate-->
<prop key="hibernate.connection.release_mode">auto</prop>
<!-- 表示允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>zhinangtuan/vo/User.hbm.xml</value>
<value>zhinangtuan/vo/Admin.hbm.xml</value></list>
</property></bean>
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
-------Hibernate使用时的配置
-DAO接口:
<bean id="iadmindao" class="zhinangtuan.dao.IAdminDAO" abstract="true"></bean>
-DAO实现(Ipml)和注入:
<bean id="iadmindaoimpl" class="zhinangtuan.dao.impl.IAdminDAOImpl" parent="iadmindao">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>
-Action中的注入:
<bean name="/adminsave" class="zhinangtuan.struts.action.AdminAction">
<property name="iadmindao">
<ref bean="iadmindaoimpl"/>
</property>
</bean>
-------------
各个类
1.DAO:
public interface IAdminDAO {
public void save(Admin admin);
}
2.DAOImpl:
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class IAdminDAOImpl extends HibernateDaoSupport implements IAdminDAO{
public void save(Admin admin)
{
System.out.println("准备保存");
this.getSession().save(admin);
}
}
3.Action:
public class AdminAction extends DispatchAction {
private IAdminDAO iadmindao;
...
iadmindao.save(admin);
...
public IAdminDAO getIadmindao() {
return iadmindao;
}
public void setIadmindao(IAdminDAO iadmindao) {
this.iadmindao = iadmindao;
}
SSH中Hibernate的使用(2012-12-17 11:25:17)
转载▼
标签:杂谈 |
applicationContext.xml:
------连接数据库配置:
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/mldn"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 使spring自动管理关闭hibernate-->
<prop key="hibernate.connection.release_mode">auto</prop>
<!-- 表示允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>zhinangtuan/vo/User.hbm.xml</value>
<value>zhinangtuan/vo/Admin.hbm.xml</value></list>
</property></bean>
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
-------Hibernate使用时的配置
-DAO接口:
<bean id="iadmindao" class="zhinangtuan.dao.IAdminDAO" abstract="true"></bean>
-DAO实现(Ipml)和注入:
<bean id="iadmindaoimpl" class="zhinangtuan.dao.impl.IAdminDAOImpl" parent="iadmindao">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>
-Action中的注入:
<bean name="/adminsave" class="zhinangtuan.struts.action.AdminAction">
<property name="iadmindao">
<ref bean="iadmindaoimpl"/>
</property>
</bean>
-------------
各个类
1.DAO:
public interface IAdminDAO {
public void save(Admin admin);
}
2.DAOImpl:
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class IAdminDAOImpl extends HibernateDaoSupport implements IAdminDAO{
public void save(Admin admin)
{
System.out.println("准备保存");
this.getSession().save(admin);
}
}
3.Action:
public class AdminAction extends DispatchAction {
private IAdminDAO iadmindao;
...
iadmindao.save(admin);
...
public IAdminDAO getIadmindao() {
return iadmindao;
}
public void setIadmindao(IAdminDAO iadmindao) {
this.iadmindao = iadmindao;
}
SSH中Hibernate的使用(2012-12-17 11:25:17)
转载▼
标签:杂谈 |
applicationContext.xml:
------连接数据库配置:
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/mldn"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 使spring自动管理关闭hibernate-->
<prop key="hibernate.connection.release_mode">auto</prop>
<!-- 表示允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>zhinangtuan/vo/User.hbm.xml</value>
<value>zhinangtuan/vo/Admin.hbm.xml</value></list>
</property></bean>
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
-------Hibernate使用时的配置
-DAO接口:
<bean id="iadmindao" class="zhinangtuan.dao.IAdminDAO" abstract="true"></bean>
-DAO实现(Ipml)和注入:
<bean id="iadmindaoimpl" class="zhinangtuan.dao.impl.IAdminDAOImpl" parent="iadmindao">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>
-Action中的注入:
<bean name="/adminsave" class="zhinangtuan.struts.action.AdminAction">
<property name="iadmindao">
<ref bean="iadmindaoimpl"/>
</property>
</bean>
-------------
各个类
1.DAO:
public interface IAdminDAO {
public void save(Admin admin);
}
2.DAOImpl:
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class IAdminDAOImpl extends HibernateDaoSupport implements IAdminDAO{
public void save(Admin admin)
{
System.out.println("准备保存");
this.getSession().save(admin);
}
}
3.Action:
public class AdminAction extends DispatchAction {
private IAdminDAO iadmindao;
...
iadmindao.save(admin);
...
public IAdminDAO getIadmindao() {
return iadmindao;
}
public void setIadmindao(IAdminDAO iadmindao) {
this.iadmindao = iadmindao;
}
SSH中Hibernate的使用(2012-12-17 11:25:17)
转载▼
标签:杂谈 |
applicationContext.xml:
------连接数据库配置:
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/mldn"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<!-- 使spring自动管理关闭hibernate-->
<prop key="hibernate.connection.release_mode">auto</prop>
<!-- 表示允许自动提交 -->
<prop key="hibernate.connection.autocommit">true</prop>
<!-- 显示sql语句 -->
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>zhinangtuan/vo/User.hbm.xml</value>
<value>zhinangtuan/vo/Admin.hbm.xml</value></list>
</property></bean>
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
-------Hibernate使用时的配置
-DAO接口:
<bean id="iadmindao" class="zhinangtuan.dao.IAdminDAO" abstract="true"></bean>
-DAO实现(Ipml)和注入:
<bean id="iadmindaoimpl" class="zhinangtuan.dao.impl.IAdminDAOImpl" parent="iadmindao">
<property name="hibernateTemplate">
<ref bean="hibernateTemplate"/>
</property>
</bean>
-Action中的注入:
<bean name="/adminsave" class="zhinangtuan.struts.action.AdminAction">
<property name="iadmindao">
<ref bean="iadmindaoimpl"/>
</property>
</bean>
-------------
各个类
1.DAO:
public interface IAdminDAO {
public void save(Admin admin);
}
2.DAOImpl:
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
public class IAdminDAOImpl extends HibernateDaoSupport implements IAdminDAO{
public void save(Admin admin)
{
System.out.println("准备保存");
this.getSession().save(admin);
}
}
3.Action:
public class AdminAction extends DispatchAction {
private IAdminDAO iadmindao;
...
iadmindao.save(admin);
...
public IAdminDAO getIadmindao() {
return iadmindao;
}
public void setIadmindao(IAdminDAO iadmindao) {
this.iadmindao = iadmindao;
}
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