SIS整合

1、Spring&Mybatis&Struts2整合步骤：
1）src目录下新建Spring的配置文件：applicationContext.xml；
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2）在Spring的配置文件配置数据库连接池：
<bean id="DataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" class="oracle.jdbc.driver.OracleDriver"></property>
<property name="url" class="jdbc:oracle:thin:@localhost:1521:orcl"></property>
<property name="usename" class="test"></property>
<property name="password" class="123456"></property>
</bean>
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3)指定要连接的资源，连接数据库：
<bean id="sqlSession" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="DataSource"/>
<!-- 指定映射文件,指定到所有的xml文件 -->
<property name="mapperLocations" value="classpath:org/great/bean/*.xml"/>
</bean>
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4)扫描所需的Mapper:
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 扫描org.great.mapper下的所有mapper -->
<property name-"basePackage" value="org.great.mapper"/>
<!-- 以下为了防止mapper包里有不需要定义的类，指定当注解为AllMapper时才实例化 -->
<property name="annotationClass" value="org.great.mapper.AllMapper" />
</bean>
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5)在Spring的配置文件中开启组件扫描：
<context:component-scan base-package="org.great"></context:component-scan>
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6）配置web.xml文件整合Struts2:
a.配置原有struts2前段控制器:
<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>/*</url-pattern>
</filter-mapping>
b.添加监听：
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>//applicationContext.xml为Spring的配置文件名
</context-param>
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7）在src目录下新建struts.xml配置文件（与原有struts2配置文件内容一致）；
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8）在action中使用Spring注解@Controller对action进行注解，以实现bean的定义；
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9）在action中引用Mapper接口，获得接口中的方法；
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10）由于action中的Mapper属性参数来源于Spring中bean的定义，因此在此上注解@Resource，注入参数；
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