ssh2整合记录

1. 下面给出整合开发时Struts 2、 Hibernate、Spring需要的JAR。
<1> struts2-core-2.x.x.jar :Struts 2框架的核心类库
xwork-2.x.x.jar :XWork类库，Struts 2在其上构建
ognl-2.6.x.jar :对象图导航语言（Object Graph Navigation Language），struts2框架通过其读写对象的属性
freemarker-2.3.x.jar :Struts 2的UI标签的模板使用FreeMarker编写
commons-fileupload-1.2.x.jar 文件上传组件，2.1.6版本后需要加入此文件
struts2-spring-plugin-2.x.x.jar ：用于struts2集成Spring的插件
<2> hibernate核心安装包下的(下载路径：http://www.hibernate.org/，点击“Hibernate Core”右边的“Downloads”):
hibernate3.jar
lib/bytecode/cglib/hibernate-cglib-repack-2.1_3.jar
lib/required/*.jar
<3> hibernate 注解安装包下的(下载路径：www.hibernate.org，点击“Hibernate Annotations”右边的“Downloads”):
hibernate-annotations.jar
lib/ejb3-persistence.jar、hibernate-commons-annotations.jar
<4> Hibernate针对JPA的实现包(下载路径：www.hibernate.org，点击“Hibernate Entitymanager”右边的“Downloads”):
hibernate-entitymanager.jar
lib/test/log4j.jar、slf4j-log4j12.jar
<5> Spring安装包下的
dist/spring.jar
lib/c3p0/c3p0-0.9.1.2.jar   lib/aspectj/aspectjweaver.jar、aspectjrt.jar    lib/cglib/cglib-nodep-2.1_3.jar
lib/j2ee/common-annotations.jar     lib/log4j/log4j-1.2.15.jar      lib/jakarta-commons/commons-logging.jar
<6> MYSQL数据库驱动jar
2. 在源文件夹下新建Spring配置文件beans.xml，在配置文件中配置c3p0数据源：
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
       <property name="driverClass" value="org.gjt.mm.mysql.Driver"/>
       <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/itcast?useUnicode=true&characterEncoding=UTF-8"/>
       <property name="user" value="root"/>
       <property name="password" value="123456"/>
       <!--初始化时获取的连接数，取值应在minPoolSize与maxPoolSize之间。Default: 3 -->
       <property name="initialPoolSize" value="1"/>
       <!--连接池中保留的最小连接数。-->
       <property name="minPoolSize" value="1"/>
       <!--连接池中保留的最大连接数。Default: 15 -->
       <property name="maxPoolSize" value="300"/>
       <!--最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 -->
       <property name="maxIdleTime" value="60"/>    
       <!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 -->
       <property name="acquireIncrement" value="5"/>
       <!--每60秒检查所有连接池中的空闲连接。Default: 0 -->
       <property name="idleConnectionTestPeriod" value="60"/>
</bean>
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
 ..... 略 </bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
     <property name="dataSource" ref="dataSource"/>
     <property name="mappingResources">
           <list>
             <value>cn/itcast/bean/Person.hbm.xml</value>
           </list>
     </property>
     <property name="hibernateProperties">
           <value>
               hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
               hibernate.hbm2ddl.auto=update
               hibernate.show_sql=false
               hibernate.format_sql=false
             </value>
    </property>
</bean>
<bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
      <property name="sessionFactory" ref="sessionFactory"/>
</bean>
<tx:annotation-driven transaction-manager="txManager"/>
3. 实体bean配置模版.hbm.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="cn.itcast.bean">
    <class name="Person" table="person">
        <id name="id" type="integer" >
            <generator class="native"/>
        </id>
        <property name="name" length="10" not-null="true"/>
    </class>
</hibernate-mapping>
4. 在web容器中实例化spring容器和配置struts2
<1> <!-- 指定spring的配置文件，默认从web根目录寻找配置文件，我们可以通过spring提供的classpath:前缀指定从类路径下寻找 -->
<context-param>
   <param-name>contextConfigLocation</param-name>
   <param-value>classpath:beans.xml</param-value>
</context-param>
<!-- 对Spring容器进行实例化 -->
<listener>
      <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<2> 配置struts2
   <filter>
        <filter-name>struts2</filter-name>
        <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>struts2</filter-name>
        <url-pattern>/*</url-pattern>
   </filter-mapping>
<3> struts2的配置文件模版struts.xml如下。常量struts.objectFactory=spring明确指出将由Spring负责创建Action实例。
<?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>
<!-- 默认的视图主题 -->
    <constant name="struts.ui.theme" value="simple" />
    <constant name="struts.objectFactory" value="spring" />
      <package name="person" namespace="/person" extends="struts-default">
             <global-results>
                    <result name="message">/WEB-INF/page/message.jsp</result>
             </global-results>
              <action name="action_*" class="personList" method="{1}">
                     <result name="list">/WEB-INF/page/persons.jsp</result>
                     <result name="add">/WEB-INF/page/add_person.jsp</result>
                     <result name="edit">/WEB-INF/page/edit_person.jsp</result>
              </action>
    </package>
</struts>
5. 为了能从spring容器中寻找到Action bean，要求action配置的class属性值和spring中bean的名称相同。如下:
<package name="itcast" namespace="/person" extends="struts-default">
       <action name="list" class="personListAction">
                         .....
       </action>
</package>