struts2.3.14+spring3.1.1+hibernate4.1.0框架搭建新版SSH（中）
在上一篇文章中主要说了一下需要导入的jar包，此篇文章来讲解具体的配置。
三、具体的配置文件的配置
1、首先配置一下web.xml。应该是个很主要的方面
a、欢迎界面的配置
<!-- 配置默认欢迎界面 --> <welcome-file-list> <welcome-file>index.html</welcome-file> </welcome-file-list>
b、log4j文件位置的配置，以前可能都没配置过这个东西，因为默认情况下log4j.properties文件需要放在src目录下，即所谓的classpath:目录。下面还有个配置具体的意思不是很懂，一下配置一下就行了。还有个spring对log4j的支持。具体的配置如下所示
<context-param> <param-name>log4jConfigLocation</param-name> <param-value>classpath:/edu/qdlms/logic/resources/log4j.properties</param-value> </context-param> <context-param> <param-name>log4jRefreshInterval</param-name> <param-value>60000</param-value> </context-param> <!-- 为了防止出现log4j异常 --> <listener> <listener-class> org.springframework.web.util.Log4jConfigListener </listener-class> </listener>>
c、spring的配置，spring默认的文件路径是src目录下，看着有点不舒服，所以也把他放到resources包中。下面的listener必须配
<!-- 配置spring的路径 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:/edu/qdlms/logic/resources/applicationContext-common.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener>
d、struts的配置
<!-- struts 的配置 --> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> <init-param> <param-name>config</param-name> <param-value>struts-default.xml,struts-plugin.xml,classpath:/edu/qdlms/logic/resources/struts.xml</param-value> </init-param> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
e、其它错误文件的配置
<error-page>
<error-code>404</error-code>
<location>/page/exception/404.jsp</location>
</error-page>
<error-page>
<error-code>500</error-code>
<location>/page/exception/500.jsp</location>
</error-page>
f、这里配置的比较少，下面把整个web.xml文件贴出来
<?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>QDLMS</display-name>
<!-- 配置默认欢迎界面 -->
<welcome-file-list>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
<context-param>
<param-name>log4jConfigLocation</param-name>
<param-value>classpath:/edu/qdlms/logic/resources/log4j.properties</param-value>
</context-param>
<context-param>
<param-name>log4jRefreshInterval</param-name>
<param-value>60000</param-value>
</context-param>
<!-- 为了防止出现log4j异常 -->
<listener>
<listener-class>
org.springframework.web.util.Log4jConfigListener
</listener-class>
</listener>
<!-- 配置spring的路径 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:/edu/qdlms/logic/resources/applicationContext-common.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- struts 的配置 -->
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
<init-param>
<param-name>config</param-name>
<param-value>struts-default.xml,struts-plugin.xml,classpath:/edu/qdlms/logic/resources/struts.xml</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<error-page>
<error-code>404</error-code>
<location>/page/exception/404.jsp</location>
</error-page>
<error-page>
<error-code>500</error-code>
<location>/page/exception/500.jsp</location>
</error-page>
</web-app>
2、log4j.properties文件的配置，下面直接贴出代码，具体不懂得参考百度或者谷歌吧。
### 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:%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
### log HQL query parser activity
#log4j.logger.org.hibernate.hql.ast.AST=debug
### log just the SQL
#log4j.logger.org.hibernate.SQL=debug
### log JDBC bind parameters ###
#log4j.logger.org.hibernate.type=info
#log4j.logger.org.hibernate.type=debug
### log schema export/update ###
log4j.logger.org.hibernate.tool.hbm2ddl=debug
### log HQL parse trees
#log4j.logger.org.hibernate.hql=debug
### log cache activity ###
#log4j.logger.org.hibernate.cache=debug
### log transaction activity
#log4j.logger.org.hibernate.transaction=debug
### log JDBC resource acquisition
#log4j.logger.org.hibernate.jdbc=debug
### enable the following line if you want to track down connection ###
### leakages when using DriverManagerConnectionProvider ###
#log4j.logger.org.hibernate.connection.DriverManagerConnectionProvider=trace
3、jdbc.properties文件的配置
a、hibernate的配置
#Hibernate hibernate.hbm2ddl.auto=update hibernate.show_sql=true hibernate.format_sql=true hibernate.dialect=org.hibernate.dialect.MySQL5Dialect hibernate.cache.provider_class=net.sf.ehcache.hibernate.EhCacheProvider hibernate.current_session_context_class=org.springframework.orm.hibernate4.SpringSessionContext
b、数据库连接池（c3p0）的配置
#JDBC jdbc.driverClass=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/qdlmsl jdbc.username=root jdbc.password=admin #C3P0 #Hibernate4 C3P0 jdbc.miniPoolSize = 1 jdbc.maxPoolSize = 20 jdbc.initialPoolSize = 1 jdbc.maxIdleTime = 25000 jdbc.acquireIncrement = 1 jdbc.acquireRetryAttempts = 30 jdbc.acquireRetryDelay = 1000 jdbc.testConnectionOnCheckin = true jdbc.automaticTestTable = c3p0TestTable jdbc.idleConnectionTestPeriod = 18000 jdbc.checkoutTimeout=3000
c、整个jdbc.properties文件就不贴出来了
3、struts.xml文件就不用配置了，这里是用的时struts的零配置。所以大家就不用那么麻烦的去配置struts的配置文件了。其中我也在官方下载了一个原版的struts.xml的文件，这里没进行配置。struts的零配置并不是说一点都不需要配置，还有一点配置如下所示（全部注释掉了，回头如果有用到的地方，大家可以百度一下）
<?xml version="1.0" encoding="UTF-8" ?>
<!--
/*
* $Id: struts-plugin.xml 722219 2008-12-01 20:41:26Z musachy $
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
-->
<!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.convention.action.suffix" value="Controller"/>
<constant name="struts.convention.action.mapAllMatches" value="true"/>
<constant name="struts.convention.default.parent.package" value="rest-default"/>
<constant name="struts.convention.package.locators" value="action"/> -->
</struts>
4、 下面最重要的配置就是下面applicationContext-common.xml的配置了，一不小心就会出很多的问题
a、添加注解的支持，还有配置所需要扫描的文件包
<!-- post-processors for all standard config annotations --> <context:annotation-config /> <!-- Scans within the base package of the application for @Components to configure as beans --> <context:component-scan base-package="edu.qdlms.logic.*" />
b、jdbc.properties文件位置的配置
<!-- jdbc.properties文件位置的配置 --> <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations" value="classpath:/edu/qdlms/logic/resources/jdbc.properties" /> </bean>
c、c3p0连接池配置
<!-- c3p0连接池配置 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
destroy-method="close">
<property name="driverClass" value="${jdbc.driverClass}" />
<property name="jdbcUrl" value="${jdbc.url}" />
<property name="user" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="minPoolSize" value="${jdbc.miniPoolSize}" />
<property name="maxPoolSize" value="${jdbc.maxPoolSize}" />
<property name="initialPoolSize" value="${jdbc.initialPoolSize}" />
<property name="maxIdleTime" value="${jdbc.maxIdleTime}" />
<property name="acquireIncrement" value="${jdbc.acquireIncrement}" />
<property name="acquireRetryAttempts" value="${jdbc.acquireRetryAttempts}" />
<property name="acquireRetryDelay" value="${jdbc.acquireRetryDelay}" />
<property name="testConnectionOnCheckin" value="${jdbc.testConnectionOnCheckin}" />
<property name="automaticTestTable" value="${jdbc.automaticTestTable}" />
<property name="idleConnectionTestPeriod" value="${jdbc.idleConnectionTestPeriod}" />
<property name="checkoutTimeout" value="${jdbc.checkoutTimeout}" />
</bean>d、配置SessionFactory
<!-- 配置SessionFactory，据说这个packagesToScan不能扫描子包 -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="packagesToScan">
<list>
<value>edu.qdlms.logic.model</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.current_session_context_class">${hibernate.current_session_context_class}</prop>
<prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
<prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
<prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop>
</props>
</property>
</bean>e、transactionManager的配置
<!-- transactionManager -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory">
<ref local="sessionFactory" />
</property>
</bean>
<!--采用注解来管理Bean -->
<tx:annotation-driven transaction-manager="transactionManager" />
<bean id="txManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<tx:advice id="txAdvice" transaction-manager="txManager">
<tx:attributes>
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="add*" propagation="REQUIRED" />
<tx:method name="create*" propagation="REQUIRED" />
<tx:method name="insert*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="merge*" propagation="REQUIRED" />
<tx:method name="del*" propagation="REQUIRED" />
<tx:method name="remove*" propagation="REQUIRED" />
<tx:method name="put*" propagation="REQUIRED" />
<tx:method name="use*" propagation="REQUIRED"/>
<!--hibernate4必须配置为开启事务 否则 getCurrentSession()获取不到-->
<tx:method name="get*" propagation="REQUIRED" read-only="true" />
<tx:method name="count*" propagation="REQUIRED" read-only="true" />
<tx:method name="find*" propagation="REQUIRED" read-only="true" />
<tx:method name="list*" propagation="REQUIRED" read-only="true" />
<tx:method name="*" read-only="true" />
</tx:attributes>
</tx:advice>
<aop:config expose-proxy="true">
<!-- 只对业务逻辑层实施事务 -->
<aop:pointcut id="txPointcut" expression="execution(* edu.qdlms.logic..service..*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="txPointcut"/>
</aop:config>f、最后把整个applicationContext-common.xml的代码贴出来
<?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:jee="http://www.springframework.org/schema/jee"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:util="http://www.springframework.org/schema/util"
xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:tool="http://www.springframework.org/schema/tool" xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/jee
http://www.springframework.org/schema/jee/spring-jee.xsd
http://www.springframework.org/schema/util
http://www.springframework.org/schema/util/spring-util.xsd
http://www.springframework.org/schema/tool
http://www.springframework.org/schema/tool/spring-tool.xsd"
default-lazy-init="true" default-autowire="byName">
<!-- post-processors for all standard config annotations -->
<context:annotation-config />
<!-- Scans within the base package of the application for @Components to
configure as beans -->
<context:component-scan base-package="edu.qdlms.logic.*" />
<!-- 配置数据库的信息 -->
<!-- jdbc.properties文件位置的配置 -->
<bean
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations"
value="classpath:/edu/qdlms/logic/resources/jdbc.properties" />
</bean>
<!-- c3p0连接池配置 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
destroy-method="close">
<property name="driverClass" value="${jdbc.driverClass}" />
<property name="jdbcUrl" value="${jdbc.url}" />
<property name="user" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="minPoolSize" value="${jdbc.miniPoolSize}" />
<property name="maxPoolSize" value="${jdbc.maxPoolSize}" />
<property name="initialPoolSize" value="${jdbc.initialPoolSize}" />
<property name="maxIdleTime" value="${jdbc.maxIdleTime}" />
<property name="acquireIncrement" value="${jdbc.acquireIncrement}" />
<property name="acquireRetryAttempts" value="${jdbc.acquireRetryAttempts}" />
<property name="acquireRetryDelay" value="${jdbc.acquireRetryDelay}" />
<property name="testConnectionOnCheckin" value="${jdbc.testConnectionOnCheckin}" />
<property name="automaticTestTable" value="${jdbc.automaticTestTable}" />
<property name="idleConnectionTestPeriod" value="${jdbc.idleConnectionTestPeriod}" />
<property name="checkoutTimeout" value="${jdbc.checkoutTimeout}" />
</bean>
<!-- 配置SessionFactory，据说这个packagesToScan不能扫描子包 -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="packagesToScan">
<list>
<value>edu.qdlms.logic.model</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.current_session_context_class">${hibernate.current_session_context_class}</prop>
<prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
<prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
<prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop>
</props>
</property>
</bean>
<!-- transactionManager -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory">
<ref local="sessionFactory" />
</property>
</bean>
<!--采用注解来管理Bean -->
<tx:annotation-driven transaction-manager="transactionManager" />
<bean id="txManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<tx:advice id="txAdvice" transaction-manager="txManager">
<tx:attributes>
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="add*" propagation="REQUIRED" />
<tx:method name="create*" propagation="REQUIRED" />
<tx:method name="insert*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="merge*" propagation="REQUIRED" />
<tx:method name="del*" propagation="REQUIRED" />
<tx:method name="remove*" propagation="REQUIRED" />
<tx:method name="put*" propagation="REQUIRED" />
<tx:method name="use*" propagation="REQUIRED"/>
<!--hibernate4必须配置为开启事务 否则 getCurrentSession()获取不到-->
<tx:method name="get*" propagation="REQUIRED" read-only="true" />
<tx:method name="count*" propagation="REQUIRED" read-only="true" />
<tx:method name="find*" propagation="REQUIRED" read-only="true" />
<tx:method name="list*" propagation="REQUIRED" read-only="true" />
<tx:method name="*" read-only="true" />
</tx:attributes>
</tx:advice>
<aop:config expose-proxy="true">
<!-- 只对业务逻辑层实施事务 -->
<aop:pointcut id="txPointcut" expression="execution(* edu.qdlms.logic..service..*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="txPointcut"/>
</aop:config>
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