SSH2整合（转载）
2011-06-03 10:33
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本文转载自：http://www.blogjava.net/flustar/archive/2007/12/26/ssha.html
鸣谢：蝸ゼ牜ご赽跑
Struts2+spring2+hibernate3整合方案
最近闲来无事可做，于是开始学习struts2。Struts2和struts1、webwork2有什么区别我也不说了，网上有很多这方面的资料。以前在项目中从未使用过struts，一直使用spring+hibernate，现在既然学习了Struts，也不能浪费，于是乎开始琢磨着怎么整合这3个框架。整合原理以spring为容器，管理hibernate的DAO和Struts2的Action。
一、 准备工作
Struts2.06+spring2.5+hibernate3.2+jdk6.0+myeclipse6.0+tomcat5.5+mysql5.0
以上是整合的原料。下面以一个注册登陆的例子来开始我们的整合过程。
这个例子很简单，下面是它的sql脚本内容:
CREATE TABLE `user` (
`userid` int(11) NOT NULL AUTO_INCREMENT,
`username` varchar(20) NOT NULL,
`password` varchar(16) NOT NULL,
`email` varchar(30) NOT NULL,
PRIMARY KEY (`userid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf-8;
二、 开始行动
包结构可以参考下图
图一
图二
图三
1) Struts部分:建立struts.xml和struts.properties
Struts.xml内容如下：
Struts.properties内容如下:
2) 建立User.java和User.hbm.xml、jdbc.properties：
User.java内容如下:
User.hbm.xml内容:
jdbc.properties内容如下:
3) Spirng部分:为了清晰把Spring的配置文件拆分成以下几部分applicationContext-dao.xml、appliationContext-service.xml、applicationContext-hibernate.xml、action-servlet.xml。
applicationContext-hibernate.xml内容：
applicationContext-dao.xml内容:
applicationContext-service.xml内容:
action-servlet.xml内容:
以上几个xml文件的内容暂且不要理会，继续往下看，你就自动明白的，不用我解释。
4）日志部分:log4j.properties 、commons-logging.properties
log4j.properties内容:
commons-logging.properties
内容:
5)web.xml
6)dwr.xml
三、 开始编码:
以下是DAO部分的核心代码:
IGenericDao.java内容如下:
GenericDao.java内容如下:
呵呵，使用了泛型,以后每建立一个Dao都要建立相应的dao接口和实现类，如本例中的IUserDao和UserDao。
http://www.blogjava.net/Files/flustar/firstssh.rar
鸣谢：蝸ゼ牜ご赽跑
Struts2+spring2+hibernate3整合方案
最近闲来无事可做，于是开始学习struts2。Struts2和struts1、webwork2有什么区别我也不说了，网上有很多这方面的资料。以前在项目中从未使用过struts，一直使用spring+hibernate，现在既然学习了Struts，也不能浪费，于是乎开始琢磨着怎么整合这3个框架。整合原理以spring为容器，管理hibernate的DAO和Struts2的Action。
一、 准备工作
Struts2.06+spring2.5+hibernate3.2+jdk6.0+myeclipse6.0+tomcat5.5+mysql5.0
以上是整合的原料。下面以一个注册登陆的例子来开始我们的整合过程。
这个例子很简单，下面是它的sql脚本内容:
CREATE TABLE `user` (
`userid` int(11) NOT NULL AUTO_INCREMENT,
`username` varchar(20) NOT NULL,
`password` varchar(16) NOT NULL,
`email` varchar(30) NOT NULL,
PRIMARY KEY (`userid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf-8;
二、 开始行动
包结构可以参考下图
图一
图二
图三
1) Struts部分:建立struts.xml和struts.properties
Struts.xml内容如下：
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd" > <struts> <package name="user_curd" extends="struts-default" > <global-results> <!-- 下面定义的结果对所有的Action都有效 --> <result name="exception">/error.jsp</result> </global-results> <global-exception-mappings> <!-- 指Action抛出Exception异常时，转入名为exception的结果。 --> <exception-mapping exception="java.lang.Exception" result="exception"/> </global-exception-mappings> <action name="Login" class="LoginAction"> <result name="success">/success.jsp</result> <result name="input">/login.jsp</result> </action> <action name="Regist" class="RegistAction"> <result name="success">/success.jsp</result> <result name="input">/regist.jsp</result> </action> </package> </struts>
Struts.properties内容如下:
struts.devMode=false struts.enable.DynamicMethodInvocation=true struts.i18n.reload=true struts.ui.theme=xhtml struts.locale=zh_CN struts.i18n.encoding=UTF-8 struts.objectFactory=spring struts.objectFactory.spring.autoWire=name struts.serve.static.browserCache=false struts.url.includeParams=none
2) 建立User.java和User.hbm.xml、jdbc.properties：
User.java内容如下:
/**
*
* @author <a href="mailto:flustar2008@163.com">flustar</a>
* @version 1.0
* Creation date: Dec 23, 2007 1:55:28 PM
*/
package com.firstssh.model;
import java.io.Serializable;
public class User implements Serializable {
private int id;
private String username;
private String password;
private String email;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
}User.hbm.xml内容:
<?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping package="com.firstssh.model"> <class name="User" table="User"> <id name="id" column="userid"> <generator class="identity" /> </id> <property name="username" column="username" not-null="true" length="20" /> <property name="password" column="password" not-null="true" length="16" /> <property name="email" column="email" not-null="true" length="30"/> </class> </hibernate-mapping>
jdbc.properties内容如下:
datasource.type=mysql datasource.driverClassName=com.mysql.jdbc.Driver datasource.url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8 datasource.username=root datasource.password=123456 datasource.maxActive=10 datasource.maxIdle=2 datasource.maxWait=120000 datasource.whenExhaustedAction=1 datasource.validationQuery=select 1 from dual datasource.testOnBorrow=true datasource.testOnReturn=false c3p0.acquireIncrement=3 c3p0.initialPoolSize=3 c3p0.idleConnectionTestPeriod=900 c3p0.minPoolSize=2 c3p0.maxPoolSize=50 c3p0.maxStatements=100 c3p0.numHelperThreads=10 c3p0.maxIdleTime=600 hibernate.dialect=org.hibernate.dialect.MySQLInnoDBDialect #hibernate.dialect=org.hibernate.dialect.MySQLMyISAMDialect hibernate.jdbc.batch_size=25 hibernate.jdbc.fetch_size=50 hibernate.show_sql=true hibernate.connection.release_mode=after_transaction
3) Spirng部分:为了清晰把Spring的配置文件拆分成以下几部分applicationContext-dao.xml、appliationContext-service.xml、applicationContext-hibernate.xml、action-servlet.xml。
applicationContext-hibernate.xml内容：
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd">
<beans>
<bean id="propertyConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<!-- <value>WEB-INF/mail.properties</value>-->
<value>WEB-INF/jdbc.properties</value>
<!-- <value>WEB-INF/oscache.properties</value>-->
</list>
</property>
</bean>
<!-- MailSender used by EmailAdvice -->
<!--
<bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
<property name="host" value="${mail.host}"/>
</bean>
-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
destroy-method="close" dependency-check="none">
<property name="driverClass">
<value>${datasource.driverClassName}</value>
</property>
<property name="jdbcUrl">
<value>${datasource.url}</value>
</property>
<property name="user">
<value>${datasource.username}</value>
</property>
<property name="password">
<value>${datasource.password}</value>
</property>
<property name="acquireIncrement">
<value>${c3p0.acquireIncrement}</value>
</property>
<property name="initialPoolSize">
<value>${c3p0.initialPoolSize}</value>
</property>
<property name="minPoolSize">
<value>${c3p0.minPoolSize}</value>
</property>
<property name="maxPoolSize">
<value>${c3p0.maxPoolSize}</value>
</property>
<property name="maxIdleTime">
<value>${c3p0.maxIdleTime}</value>
</property>
<property name="idleConnectionTestPeriod">
<value>${c3p0.idleConnectionTestPeriod}</value>
</property>
<property name="maxStatements">
<value>${c3p0.maxStatements}</value>
</property>
<property name="numHelperThreads">
<value>${c3p0.numHelperThreads}</value>
</property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref local="dataSource" />
</property>
<property name="mappingResources">
<list>
<value>com/firstssh/model/User.hbm.xml</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
<prop key="hibernate.jdbc.fetch_size">
${hibernate.jdbc.fetch_size}
</prop>
<prop key="hibernate.jdbc.batch_size">
${hibernate.jdbc.batch_size}
</prop>
</props>
</property>
</bean>
<!-- 配置事务管理器bean,使用HibernateTransactionManager事务管理器 -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<!-- 为事务管理器注入sessionFactory" -->
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<!-- 配置事务拦截器Bean -->
<bean id="transactionInterceptor"
class="org.springframework.transaction.interceptor.TransactionInterceptor">
<!-- 为事务拦截器bean注入一个事物管理器 -->
<property name="transactionManager" ref="transactionManager"></property>
<property name="transactionAttributes">
<!-- 定义事务传播属性 -->
<props>
<prop key="insert*">PROPAGATION_REQUIRED</prop>
<prop key="update*">PROPAGATION_REQUIRED</prop>
<prop key="save*">PROPAGATION_REQUIRED</prop>
<prop key="add*">PROPAGATION_REQUIRED</prop>
<prop key="remove*">PROPAGATION_REQUIRED</prop>
<prop key="delete*">PROPAGATION_REQUIRED</prop>
<prop key="get*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="find*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="load*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="change*">PROPAGATION_REQUIRED</prop>
<prop key="*">PROPAGATION_REQUIRED,readOnly</prop>
</props>
</property>
</bean>
<!-- 定义BeanNameAutoProxyCreator -->
<bean class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
<!-- 指定满足哪些bean自动生成业务代理 -->
<property name="beanNames">
<!-- 需要自动创建事务代理的bean -->
<list>
<value>userService</value>
</list>
<!-- 其它需要自动创建事务代理的bean -->
</property>
<property name="interceptorNames">
<list>
<value>transactionInterceptor</value>
<!-- 可增加其它的interceptor -->
</list>
</property>
</bean>
</beans>applicationContext-dao.xml内容:
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd"> <beans> <!-- 根DAO --> <bean id="genericDao" class="com.firstssh.common.dao.GenericDao"> <property name="sessionFactory"> <ref bean="sessionFactory" /> </property> </bean> <bean id="userDao" class="com.firstssh.dao.impl.UserDao" parent="genericDao" /> </beans>
applicationContext-service.xml内容:
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd"> <beans> <bean id="userService" class="com.firstssh.service.impl.UserService"> <property name="userDao"> <ref bean="userDao"/> </property> </bean> <bean id="validateName" class="com.firstssh.common.Bean.ValidateName"> <property name="userService"> <ref local="userService"/> </property> </bean> </beans>
action-servlet.xml内容:
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd"> <beans> <bean id="LoginAction" class="com.firstssh.action.LoginAction" scope="prototype"> <property name="userService" ref="userService" /> </bean> <bean id="RegistAction" class="com.firstssh.action.RegistAction" scope="prototype"> <property name="userService" ref="userService" /> </bean> </beans>
以上几个xml文件的内容暂且不要理会，继续往下看，你就自动明白的，不用我解释。
4）日志部分:log4j.properties 、commons-logging.properties
log4j.properties内容:
# For JBoss: Avoid to setup Log4J outside $JBOSS_HOME/server/default/deploy/log4j.xml!
# For all other servers: Comment out the Log4J listener in web.xml to activate Log4J.
log4j.rootLogger=INFO, stdout, logfile
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d %p [%c] - %m%n
log4j.appender.logfile=org.apache.log4j.RollingFileAppender
log4j.appender.logfile.File=${firstssh.root}/WEB-INF/logs/firstssh.log
log4j.appender.logfile.MaxFileSize=512KB
# Keep three backup files.
log4j.appender.logfile.MaxBackupIndex=3
# Pattern to output: date priority [category] - message
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
log4j.appender.logfile.layout.ConversionPattern=%d %p [%c] - %m%n
# OpenSymphony Stuff
log4j.logger.com.opensymphony=INFO
log4j.logger.org.apache.struts2=INFO
# Spring Stuff
log4j.logger.org.springframework=INFO
# Hibernate Stuff
log4j.logger.org.hiberante=INFOcommons-logging.properties
内容:
org.apache.commons.logging.Log=org.apache.commons.logging.impl.Log4JLogger
5)web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" version="2.4"> <display-name>firstssh</display-name> <description>this is a simple example</description> <context-param> <param-name>webAppRootKey</param-name> <param-value>firstssh.root</param-value> </context-param> <context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/applicationContext-*.xml,/WEB-INF/action-servlet.xml</param-value> </context-param> <context-param> <param-name>log4jConfigLocation</param-name> <param-value>/WEB-INF/log4j.properties</param-value> </context-param> <listener> <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class> </listener> <!-- 用于初始化Spring容器的Listener --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 定义整合SiteMesh必须的ActionContextCleanUp Filter <filter> <filter-name>struts-cleanup</filter-name> <filter-class>org.apache.struts2.dispatcher.ActionContextCleanUp</filter-class> </filter>--> <!-- 定义Struts2的FilterDispathcer的Filter --> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class> </filter> <!-- <filter-mapping> <filter-name>struts-cleanup</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>--> <!-- FilterDispatcher用来初始化struts2并且处理所有的WEB请求。 --> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- 这是一个产生验证码的servlet --> <servlet> <servlet-name>img</servlet-name> <servlet-class>com.firstssh.servlet.AuthImg</servlet-class> </servlet> <servlet-mapping> <servlet-name>img</servlet-name> <url-pattern>/authImg</url-pattern> </servlet-mapping> <filter> <filter-name>encodingFilter</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>utf-8</param-value> </init-param> </filter> <filter-mapping> <filter-name>encodingFilter</filter-name> <url-pattern>*.action</url-pattern> </filter-mapping> <filter-mapping> <filter-name>encodingFilter</filter-name> <url-pattern>*.jsp</url-pattern> </filter-mapping> <filter> <filter-name>hibernateFilter</filter-name> <filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class> </filter> <filter-mapping> <filter-name>hibernateFilter</filter-name> <url-pattern>*.action</url-pattern> </filter-mapping> <!-- DWR Servlet--> <servlet> <servlet-name>dwr-invoker</servlet-name> <servlet-class>org.directwebremoting.servlet.DwrServlet</servlet-class> <init-param> <param-name>debug</param-name> <param-value>true</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>dwr-invoker</servlet-name> <url-pattern>/dwr/*</url-pattern> </servlet-mapping> <session-config> <session-timeout>10</session-timeout> </session-config> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <error-page> <error-code>401</error-code> <location>/401.htm</location> </error-page> <error-page> <error-code>403</error-code> <location>/403.htm</location> </error-page> <error-page> <error-code>404</error-code> <location>/404.htm</location> </error-page> <error-page> <error-code>500</error-code> <location>/500.htm</location> </error-page> </web-app>
6)dwr.xml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE dwr PUBLIC "-//GetAhead Limited//DTD Direct Web Remoting 2.0//EN" "http://getahead.org/dwr/dwr20.dtd"> <dwr> <!-- 检查用户名是否存在 ValidateName的映射文件--> <allow> <create creator="spring" javascript="ValidateName" > <param name="beanName" value="validateName"/> <include method="valid"/> </create> </allow> </dwr>
三、 开始编码:
以下是DAO部分的核心代码:
IGenericDao.java内容如下:
/**
*
* @author <a href="mailto:flustar2008@163.com">flustar</a>
* @version 1.0
* Creation date: Dec 23, 2007 6:19:21 PM
*/
package com.firstssh.common.dao;
import java.io.Serializable;
import java.util.Collection;
import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.criterion.DetachedCriteria;
import org.springframework.dao.DataAccessException;
import com.firstssh.common.util.PaginationSupport;
public interface IGenericDao<T, ID extends Serializable> {
public T load(ID id) throws DataAccessException;
public T get(ID id)throws DataAccessException;
public boolean contains(T t) throws DataAccessException;
public void refresh(T t, LockMode lockMode) throws DataAccessException;
public void refresh(T t) throws DataAccessException;
public Serializable save(T t) throws DataAccessException;
public void saveOrUpdate(T t) throws DataAccessException;
public void saveOrUpdateAll(Collection<T> entities)
throws DataAccessException;
public void update(T t, LockMode lockMode) throws DataAccessException;
public void update(T t) throws DataAccessException;
public void delete(T t, LockMode lockMode) throws DataAccessException;
public void delete(T t) throws DataAccessException;
public void deleteAll(Collection<T> entities) throws DataAccessException;
public List<T> find(String queryString, Object value)
throws DataAccessException;
public List<T> find(String queryString, Object[] values)
throws DataAccessException;
public List<T> find(String queryString) throws DataAccessException;
public List<T> list()throws DataAccessException;
public List<T> findByNamedQuery(String queryName)throws DataAccessException ;
public List<T> findByNamedQuery(String queryName, Object value)throws DataAccessException ;
public List<T> findByNamedQuery(String queryName, Object[] values)throws DataAccessException ;
public PaginationSupport findPageByCriteria(
final DetachedCriteria detachedCriteria, final int pageSize,
final int startIndex);
public PaginationSupport findPageByQuery(final String hql,
final String countHql, final int pageSize, final int startIndex);
}GenericDao.java内容如下:
/**
*
* @author <a href="mailto:flustar2008@163.com">flustar</a>
* @version 1.0
* Creation date: Dec 23, 2007 11:23:56 PM
*/
package com.firstssh.common.dao;
import java.io.Serializable;
import java.lang.reflect.ParameterizedType;
import java.sql.SQLException;
import java.util.Collection;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Projections;
import org.springframework.dao.DataAccessException;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import com.firstssh.common.util.PaginationSupport;
@SuppressWarnings("unchecked")
public class GenericDao<T, ID extends Serializable> extends HibernateDaoSupport
implements IGenericDao<T, ID> {
private Log logger = LogFactory.getLog(getClass());
protected Class<T> entityClass;
public GenericDao() {
}
protected Class getEntityClass() {
if (entityClass == null) {
entityClass = (Class<T>) ((ParameterizedType) getClass()
.getGenericSuperclass()).getActualTypeArguments()[0];
logger.debug("T class = " + entityClass.getName());
}
return entityClass;
}
public void saveOrUpdate(T t) throws DataAccessException {
this.getHibernateTemplate().saveOrUpdate(t);
}
public T load(ID id) throws DataAccessException {
T load = (T) getHibernateTemplate().load(getEntityClass(), id);
return load;
}
public T get(ID id) throws DataAccessException {
T load = (T) getHibernateTemplate().get(getEntityClass(), id);
return load;
}
public boolean contains(T t) throws DataAccessException {
return getHibernateTemplate().contains(t);
}
public void delete(T t, LockMode lockMode) throws DataAccessException {
getHibernateTemplate().delete(t, lockMode);
}
public void delete(T t) throws DataAccessException {
getHibernateTemplate().delete(t);
}
public void deleteAll(Collection<T> entities) throws DataAccessException {
getHibernateTemplate().deleteAll(entities);
}
public List<T> find(String queryString, Object value)
throws DataAccessException {
List<T> find = (List<T>) getHibernateTemplate()
.find(queryString, value);
return find;
}
public List<T> find(String queryString, Object[] values)
throws DataAccessException {
List<T> find = (List<T>) getHibernateTemplate().find(queryString,
values);
return find;
}
public List<T> find(String queryString) throws DataAccessException {
return (List<T>) getHibernateTemplate().find(queryString);
}
public void refresh(T t, LockMode lockMode) throws DataAccessException {
getHibernateTemplate().refresh(t, lockMode);
}
public void refresh(T t) throws DataAccessException {
getHibernateTemplate().refresh(t);
}
public Serializable save(T t) throws DataAccessException {
return getHibernateTemplate().save(t);
}
public void saveOrUpdateAll(Collection<T> entities)
throws DataAccessException {
getHibernateTemplate().saveOrUpdateAll(entities);
}
public void update(T t, LockMode lockMode) throws DataAccessException {
getHibernateTemplate().update(t, lockMode);
}
public void update(T t) throws DataAccessException {
getHibernateTemplate().update(t);
}
public List<T> list() throws DataAccessException {
return getHibernateTemplate().loadAll(getEntityClass());
}
public List<T> findByNamedQuery(String queryName)
throws DataAccessException {
return getHibernateTemplate().findByNamedQuery(queryName);
}
public List<T> findByNamedQuery(String queryName, Object value)
throws DataAccessException {
return getHibernateTemplate().findByNamedQuery(queryName, value);
}
public List<T> findByNamedQuery(String queryName, Object[] values)
throws DataAccessException {
return getHibernateTemplate().findByNamedQuery(queryName, values);
}
public PaginationSupport findPageByCriteria(
final DetachedCriteria detachedCriteria, final int pageSize,
final int startIndex) {
return (PaginationSupport) getHibernateTemplate().execute(
new HibernateCallback() {
public Object doInHibernate(Session session)
throws HibernateException {
Criteria criteria = detachedCriteria
.getExecutableCriteria(session);
int totalCount = ((Integer) criteria.setProjection(
Projections.rowCount()).uniqueResult())
.intValue();
criteria.setProjection(null);
List items = criteria.setFirstResult(startIndex)
.setMaxResults(pageSize).list();
PaginationSupport ps = new PaginationSupport(items,
totalCount, pageSize, startIndex);
return ps;
}
}, true);
}
public PaginationSupport findPageByQuery( final String hql, final String countHql,final int pageSize,final int startIndex){
return (PaginationSupport)getHibernateTemplate().execute(
new HibernateCallback() {
public Object doInHibernate(Session session) throws HibernateException, SQLException {
int totalCount=((Integer) session.createQuery(countHql).iterate().next()).intValue();
Query query = session.createQuery(hql);
query.setFirstResult(startIndex);
query.setMaxResults(pageSize);
List items = query.list();
PaginationSupport ps = new PaginationSupport(items,
totalCount, pageSize, startIndex);
return ps;
}
},true);
}
}呵呵，使用了泛型,以后每建立一个Dao都要建立相应的dao接口和实现类，如本例中的IUserDao和UserDao。
/**
*
* @author <a href="mailto:flustar2008@163.com">flustar</a>
* @version 1.0
* Creation date: Dec 24, 2007 12:47:57 AM
*/
package com.firstssh.dao;
import java.util.List;
import com.firstssh.common.dao.IGenericDao;
import com.firstssh.model.User;
public interface IUserDao extends IGenericDao<User, Integer> {
public User getUserByName(String username);
public List<User> findAllUser();
public User findUserByNameAndPass(String username, String password);
}/**
*
* @author <a href="mailto:flustar2008@163.com">flustar</a>
* @version 1.0
* Creation date: Dec 24, 2007 12:38:48 AM
*/
package com.firstssh.dao.impl;
import java.util.List;
import com.firstssh.common.dao.GenericDao;
import com.firstssh.dao.IUserDao;
import com.firstssh.model.User;
public class UserDao extends GenericDao<User,Integer> implements IUserDao{
public List<User> findAllUser() {
return (List<User>)find("from User");
}
public User findUserByNameAndPass(String username, String password) {
Object[] params=new Object[]{username,password};
List<User> userList=find("from User as user where user.username=? and user.password=? ",params);
if(userList!=null&&userList.size()>=1){
return userList.get(0);
}
return null;
}
public User getUserByName(String username) {
List<User> userList=find("from User as user where user.username=?",username);
if(userList!=null&&userList.size()>=1){
return userList.get(0);
}
return null;
}
}http://www.blogjava.net/Files/flustar/firstssh.rar
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