之前整合spring+mybatis+duri的时候,dao在service层注入的时候一直报错null空指针,实际上是配置文件那里要加上mapper的配置和事务
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<!-- 配置mybatis mapper接口(通用mapper) -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.uroad.dao" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
</bean>
<!-- 事务配置 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
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