Struts2 +Spring+ Hibernate整合實例

一、applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans 
                    http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
                    http://www.springframework.org/schema/context
                    http://www.springframework.org/schema/context/spring-context-2.5.xsd
                    http://www.springframework.org/schema/aop
                    http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
                    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd 
                   ">


<context:property-placeholder location="classpath:jdbc.properties" />
<!-- 添加一個類路徑配置，讓Spring 容器知道需要掃描該類路徑下所有可以加載到容器中的類。 -->
<context:component-scan base-package="gnnt" />
<!-- 配置數據源 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
    <property name="driverClassName">
        <value>${jdbc.driverClassName}</value>
    </property>
    <property name="url">
        <value>${jdbc.url}</value>
    </property>
    <property name="username">
        <value>${jdbc.username}</value>
    </property>
    <property name="password">
        <value>${jdbc.password}</value>
    </property>
</bean>

<!-- sessionFactory配置 -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
    <property name="configLocation" value="classpath:hibernate.cfg.xml">
    </property>
    <property name="dataSource" ref="dataSource"></property>
    <property name="lobHandler">
    <ref bean="oracleLobHandler" />
    </property>
</bean>
<bean id="hibernateTemplete" class="org.springframework.orm.hibernate3.HibernateTemplate">
    <property name="sessionFactory" ref="sessionFactory"></property>
</bean>

<!-- 處理大文本需要加入如下兩個bean -->
<bean id="nativeJdbcExtractor"
class="org.springframework.jdbc.support.nativejdbc.SimpleNativeJdbcExtractor" />

<bean id="oracleLobHandler" class="org.springframework.jdbc.support.lob.OracleLobHandler"
lazy-init="true">
    <property name="nativeJdbcExtractor">
        <ref bean="nativeJdbcExtractor" />
    </property>
</bean>

<!-- 事務管理器配置, Hibernate單數據源事務 -->
<bean id="defaultTransactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
    <property name="sessionFactory" ref="sessionFactory" />
</bean>

<!-- 使用annotation定義事務 -->
<tx:annotation-driven transaction-manager="defaultTransactionManager"
proxy-target-class="true" />
</beans>

二、ehcache.xml

<?xml version="1.0" encoding="GBK"?>
<ehcache>
<diskStore path="java.io.tmpdir" />
<defaultCache maxElementsInMemory="10000"
              eternal="false"
              overflowToDisk="true"
              timeToIdleSeconds="300"
              timeToLiveSeconds="180"
              diskPersistent="false"
              diskExpiryThreadIntervalSeconds="120" />

 <cache name="queryCache"
        maxElementsInMemory="1000"
        eternal="false"
        timeToIdleSeconds="0"
        timeToLiveSeconds="5"
        overflowToDisk="false"
        />
 <cache name = "SimplePageCachingFilter"
           maxElementsInMemory = "10"
           maxElementsOnDisk = "10"
           eternal = "false"
           overflowToDisk = "true"
           diskSpoolBufferSizeMB = "20"
           timeToIdleSeconds = "120"
           timeToLiveSeconds = "120"
           memoryStoreEvictionPolicy = "LFU"
            />
</ehcache>

三、hibernate.cfg.xml

<?xml version='1.0' encoding='GBK'?>
<!DOCTYPE hibernate-configuration PUBLIC
          "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
          "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
    <session-factory>
        <property name="dialect">
            org.hibernate.dialect.OracleDialect
        </property>
        <property name="show_sql">false</property>
        <property name="hbm2ddl.auto">none</property>
        <property name="format_sql">false</property>
        <property name="hibernate.cache.use_structured_entries">
        true
        </property><!-- 最優化二級緩存 -->
        <property name="hibernate.cache.use_second_level_cache">
        true
        </property>
        <!-- 完全禁用二級緩存開關，對那些在類的映射定義中指定cache的類，默認開啟二級緩存 -->
        <property name="hibernate.cache.provider_class">
            org.hibernate.cache.EhCacheProvider
        </property>
        <property name="hibernate.cache.use_query_cache">true</property>
        <property name="hibernate.cache.provider_configuration_file_resource_path">
            /ehcache.xml
        </property>
        
        <mapping resource="gnnt/MEBS/online/model/MFirm.hbm.xml"/>
    </session-factory>
</hibernate-configuration>

四、struts.xml

<?xml version="1.0" encoding="GBK" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
<constant name="struts.i18n.encoding" value="GBK"></constant>
<constant name="struts.objectFactory" value="spring"></constant>
<constant name="struts.locale" value="zh_CN"></constant>
<constant name="struts.multipart.maxSize" value="999999"></constant>
<constant name="struts.multipart.parser" value="jakarta"></constant>
<constant name="struts.ui.theme" value="simple" />
<constant name="struts.ui.templateDir" value="template" />
<constant name="struts.ui.templateSuffix" value="ftl" />
<constant name="struts.devMode" value="true" />
<constant name="struts.enable.DynamicMethodInvocation" value="true"></constant>

<package name="default" namespace="/" extends="struts-default">
</package>  

<!-- action配置 -->
<package name="struts2-default" extends="default">
    <action name="testAction" class="testAction" method="test">
        <result name="success">/index.jsp</result>
    </action>
</package>
</struts>

五、web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
id="WebApp_ID" version="2.5">
<display-name>Temp</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!-- spring字符集過濾器 -->
<filter>
    <filter-name>SetCharacterEncoding</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
    <param-name>encoding</param-name>
    <param-value>GBK</param-value>
</init-param>
<init-param>
    <param-name>forceEncoding</param-name>
    <param-value>true</param-value>
</init-param>
</filter>
    <filter-mapping>
    <filter-name>SetCharacterEncoding</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

<!-- 初始化spring容器 -->
<context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
</context-param>
<listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<listener>
    <listener-class>
        org.springframework.web.context.request.RequestContextListener
    </listener-class>
</listener>
<!-- 初始化spring容器 -->

<!-- 為了解決 failed to lazily initialize a collection of role: XXXXXX, no session 
or session was closed 異常添加的過濾器 -->
<filter>
    <filter-name>hibernateFilter</filter-name>
    <filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>
    <init-param>
        <param-name>sessionFactoryBeanName</param-name>
        <param-value>sessionFactory</param-value>
    </init-param>
</filter>
<filter-mapping>
    <filter-name>hibernateFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

<!-- struts2配置 -->
<filter>
    <filter-name>struts2</filter-name>
    <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
    <filter-name>struts2</filter-name>
    <url-pattern>*.action</url-pattern>
    <dispatcher>REQUEST</dispatcher>
    <dispatcher>FORWARD</dispatcher>
</filter-mapping>
<!-- struts2配置 -->
</web-app>
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