ssm框架整合的时候有三层,service,dao,control。
Spring配置文件中这三层对应的对象采用设值注入(..)之间引用传递,其中dao层采用不同的类则使用不同的属性,讲的好乱~~
上实例
<!-- 配置dao -->
<bean id="SchoolDao" class="org.mybatis.spring.mapper.MapperFactoryBean">
<property name="sqlSessionFactory" ref="sqlSessionFactory"/>
<property name="mapperInterface" value="dao.ISchoolDao"/>
</bean>
<bean id="TeacherDao" class="org.mybatis.spring.mapper.MapperFactoryBean">
<property name="sqlSessionFactory" ref="sqlSessionFactory"/>
<property name="mapperInterface" value="dao.ITeacherDao"/>
</bean>
<!-- 配置service-->
<bean id="service" class="service.PublicServiceImpl">
<property name="schoolDao" ref="SchoolDao"/>
<property name="teacherDao" ref="TeacherDao"/>
</bean>
其中配置dao:class="org.mybatis.spring.mapper.MapperFactoryBean"若使用此class则属性配置如下
<property name="sqlSessionFactory" ref="sqlSessionFactory"/>
<property name="mapperInterface" value="dao.ISchoolDao"/>此处value为接口全路径
<!-- 生成dao的代理对象 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<property name="basePackage" value="com.dao"/>
</bean>
<bean id="studentService" class="com.service.StudentServiceImpl">
<property name="dao" ref="IStudentDao"></property>
</bean>
其中配置:class="org.mybatis.spring.mapper.MapperScannerConfigurer"若使用此class则属性配置如下
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<property name="basePackage" value="com.dao"/>此处为包路径