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: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/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd"> <!-- 自動掃描與裝配bean --> <context:component-scan base-package="cn.itcast.oa"></context:component-scan> <!-- 導入外部的properties文件 --> <context:property-placeholder location="classpath:jdbc.properties"/> <!-- 配置SessionFactory --> <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <!-- 指定hibernate的配置文件位置 --> <property name="configLocation" value="classpath:hibernate.cfg.xml"></property> <!-- 配置c3p0數據庫連接池 --> <property name="dataSource"> <bean class="com.mchange.v2.c3p0.ComboPooledDataSource"> <!-- 數據連接信息 --> <property name="jdbcUrl" value="${jdbcUrl}"></property> <property name="driverClass" value="${driverClass}"></property> <property name="user" value="${user}"></property> <property name="password" value="${password}"></property> <!-- 其他配置 --> <!--初始化時獲取三個連接,取值應在minPoolSize與maxPoolSize之間。Default: 3 --> <property name="initialPoolSize" value="3"></property> <!--連接池中保留的最小連接數。Default: 3 --> <property name="minPoolSize" value="3"></property> <!--連接池中保留的最大連接數。Default: 15 --> <property name="maxPoolSize" value="5"></property> <!--當連接池中的連接耗盡的時候c3p0一次同時獲取的連接數。Default: 3 --> <property name="acquireIncrement" value="3"></property> <!-- 控制數據源內加載的PreparedStatements數量。如果maxStatements與maxStatementsPerConnection均爲0,則緩存被關閉。Default: 0 --> <property name="maxStatements" value="8"></property> <!--maxStatementsPerConnection定義了連接池內單個連接所擁有的最大緩存statements數。Default: 0 --> <property name="maxStatementsPerConnection" value="5"></property> <!--最大空閒時間,1800秒內未使用則連接被丟棄。若爲0則永不丟棄。Default: 0 --> <property name="maxIdleTime" value="1800"></property> </bean> </property> </bean> <!-- 配置聲明式事務管理(採用註解的方式) --> <bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager"> <property name="sessionFactory" ref="sessionFactory"></property> </bean> <tx:annotation-driven transaction-manager="txManager"/> </beans>
hibernate.cfg.xml
<?xml version='1.0' encoding='utf-8'?> <!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd"> <hibernate-configuration> <session-factory> <!-- 1,數據庫連接信息 --> <property name="dialect"> <!-- hql語句 --> org.hibernate.dialect.MySQL5InnoDBDialect </property> <!-- <property name="connection.url">jdbc:mysql:///itcastoa0720</property> <property name="connection.driver_class">com.jdbc.mysql.Driver</property> <property name="connection.username">root</property> <property name="connection.password">root</property> --> <!-- 2,其他配置 --> <property name="show_sql">true</property> <!-- <property name="hbm2ddl.auto">update</property> --><!-- 根據持久化類和映射文件生成數據庫表 --> <!-- 3,導入映射文件 --> <mapping resource="cn/itcast/oa/domain/User.hbm.xml" /> <mapping resource="cn/itcast/oa/domain/Role.hbm.xml" /> <mapping resource="cn/itcast/oa/domain/Department.hbm.xml" /> <mapping resource="cn/itcast/oa/domain/Privilege.hbm.xml" /> <mapping resource="cn/itcast/oa/domain/Forum.hbm.xml" /> <mapping resource="cn/itcast/oa/domain/Reply.hbm.xml" /> <mapping resource="cn/itcast/oa/domain/Topic.hbm.xml" /> </session-factory> </hibernate-configuration>
jdbc.properties
jdbcUrl = jdbc:mysql:///itcastoa0720
driverClass = com.mysql.jdbc.Driver
user = root
password = root
log4j.properties
### direct log messages to stdout ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
### direct messages to file hibernate.log ###
#log4j.appender.file=org.apache.log4j.FileAppender
#log4j.appender.file.File=hibernate.log
#log4j.appender.file.layout=org.apache.log4j.PatternLayout
#log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
### set log levels - for more verbose logging change 'info' to 'debug' ###
log4j.rootLogger=warn, stdout
#log4j.logger.org.hibernate=info
#log4j.logger.org.hibernate=debug
log4j.logger.cn.itcast.oa=debug
struts.xml
<?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> <!-- 配置爲開發模式 --> <constant name="struts.devMode" value="true" /> <!-- 把擴展名配置爲action --> <constant name="struts.action.extension" value="action" /> <!-- 把主題配置爲simple --> <constant name="struts.ui.theme" value="simple" /> <package name="default" namespace="/" extends="struts-default"> <interceptors> <!-- 聲明 權限攔截器 --> <interceptor name="checkPrivilege" class="cn.itcast.oa.util.CheckPrivilegeInterceptor"></interceptor> <!-- 重新定義默認的攔截器棧 --> <interceptor-stack name="defaultStack"> <interceptor-ref name="checkPrivilege"></interceptor-ref> <interceptor-ref name="defaultStack"></interceptor-ref> </interceptor-stack> </interceptors> <!-- 全局的Result配置 --> <global-results> <result name="loginUI">/WEB-INF/jsp/userAction/loginUI.jsp</result> <result name="noPrivilegeError">/noPrivilegeError.jsp</result> </global-results> <!-- 配置測試用的Action,未與Spring整合,class屬性寫類的全名 --> <!-- 當Struts2與Spring整合後,class屬性可以寫bean的名稱 --> <action name="test" class="testAction"> <result name="success">/test.jsp</result> </action> <!-- 崗位管理 --> <action name="role_*" class="roleAction" method="{1}"> <result name="list">/WEB-INF/jsp/roleAction/list.jsp</result> <result name="saveUI">/WEB-INF/jsp/roleAction/saveUI.jsp</result> <result name="setPrivilegeUI">/WEB-INF/jsp/roleAction/setPrivilegeUI.jsp</result> <result name="toList" type="redirectAction">role_list</result> </action> <!-- 部門管理 --> <!-- departmentAction 通過spring容器監聽器和整合包裏面的struts-pluging.xml設置了啓動的時候,就創建了這個Action對象 --> <action name="department_*" class="departmentAction" method="{1}"> <result name="list">/WEB-INF/jsp/departmentAction/list.jsp</result> <result name="saveUI">/WEB-INF/jsp/departmentAction/saveUI.jsp</result> <result name="toList" type="redirectAction">department_list?parentId=${parentId}</result> </action> <!-- 用戶管理 --> <action name="user_*" class="userAction" method="{1}"> <result name="list">/WEB-INF/jsp/userAction/list.jsp</result> <result name="saveUI">/WEB-INF/jsp/userAction/saveUI.jsp</result> <result name="toList" type="redirectAction">user_list</result> <result name="logout">/WEB-INF/jsp/userAction/logout.jsp</result> <result name="toIndex" type="redirect">/index.jsp</result> </action> <!-- 首頁 /home_index.action--> <action name="home_*" class="homeAction" method="{1}"> <result name="{1}">/WEB-INF/jsp/homeAction/{1}.jsp</result> </action> <!-- 論壇:版塊管理 --> <action name="forumManage_*" class="forumManageAction" method="{1}"> <result name="list">/WEB-INF/jsp/forumManageAction/list.jsp</result> <result name="saveUI">/WEB-INF/jsp/forumManageAction/saveUI.jsp</result> <result name="toList" type="redirectAction">forumManage_list</result> </action> <!-- 論壇:版塊相關功能 --> <action name="forum_*" class="forumAction" method="{1}"> <result name="list">/WEB-INF/jsp/forumAction/list.jsp</result> <result name="show">/WEB-INF/jsp/forumAction/show.jsp</result> </action> <!-- 論壇:主題相關功能 --> <action name="topic_*" class="topicAction" method="{1}"> <result name="show">/WEB-INF/jsp/topicAction/show.jsp</result> <result name="addUI">/WEB-INF/jsp/topicAction/addUI.jsp</result> <result name="toShow" type="redirectAction">topic_show?id=${id}</result> </action> <!-- 論壇:回複相關功能 --> <action name="reply_*" class="replyAction" method="{1}"> <result name="addUI">/WEB-INF/jsp/replyAction/addUI.jsp</result> <result name="toTopicShow" type="redirectAction">topic_show?id=${topicId}</result> </action> </package> <!-- Add packages here --> </struts>
web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <!-- 配置Spring的用於初始化容器對象的監聽器 --> <listener> <!-- 啓動web容器,加載spring配置文件,生成applicationContext對象 --> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext*.xml</param-value> </context-param> <!-- 用於做初始化工作的監聽器,一定要配置到Spring的ContextLoaderListener之後,因爲要用到Spring的容器對象 --> <listener> <listener-class>cn.itcast.oa.util.InitListener</listener-class> </listener> <!-- 配置Spring的用於解決懶加載問題的過濾器 --> <filter> <!-- 這個過濾器直接打開了session,當action執行結束之後再關閉session,延長了session的壽命,注意這個Filter要在struts的Filter的前面 --> <filter-name>OpenSessionInViewFilter</filter-name> <filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class> </filter> <filter-mapping> <filter-name>OpenSessionInViewFilter</filter-name> <url-pattern>*.action</url-pattern> </filter-mapping> <!-- 配置Struts2的核心的過濾器 --> <filter> <filter-name>struts2</filter-name> <!-- 從請求的url上面找到配置文件的action,利用反射生成action,如果和spring結合之後,spring早早的創建了action,struts拿來用就可以了哦 --> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>
Spring爲我們解決最讓人頭痛的難題之一,Hibernate的Session的關閉與開啓問題。 Hibernate 允許對關聯對象、屬性進行延遲加載,但是必須保證延遲加載的操作限於同一個 Hibernate Session 範圍之內進行。如果 Service 層返回一個啓用了延遲加載功能的領域對象給 Web 層,當 Web 層訪問到那些需要延遲加載的數據時,由於加載領域對象的 Hibernate Session 已經關閉,這些導致延遲加載數據的訪問異常。而Spring爲我們提供的OpenSessionInViewFilter過濾器爲我們很好的解決了這個問題。OpenSessionInViewFilter的主要功能是使每個請求過程綁定一個 Hibernate Session,即使最初的事務已經完成了,也可以在 Web 層進行延遲加載的操作。OpenSessionInViewFilter 過濾器將 Hibernate Session 綁定到請求線程中,它將自動被 Spring 的事務管理器探測到。所以 OpenSessionInViewFilter 適用於 Service 層使用HibernateTransactionMana<wbr>ger 或 JtaTransactionManager 進行事務管理的環境,也可以用於非事務只讀的數據操作中