后端-框架-Spring-MyBatis-注入映射器

后端-框架-Spring-MyBatis-注入映射器

其中的配置文件

	<!--  数据源 -->
	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
		<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
		<property name="url" value="jdbc:mysql://127.0.0.1:3306/smbms?useUnicode=true&amp;characterEncoding=utf-8&amp;useSSL=true"></property>
		<property name="username" value="root"></property>
		<property name="password" value="123456"></property>
	</bean>
	<!-- 配置SqlSessionFactoryBean -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    	<property name="dataSource" ref="dataSource"></property>
    	<property name="configLocation" value="classpath:mybatis-config.xml"></property>
    </bean>
    <!-- Dao -->    
    <!-- 对于MapperFactoryBean有什么属性,F3 -->
    <!-- 通过Spring直接建立userMapper bean,不用手动实现 -->
    <bean id="userMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
    	<property name="mapperInterface" value="cn.smbms.dao.user.UserMapper"></property>
    	<property name="sqlSessionFactory" ref="sqlSessionFactory"></property>
    </bean>
    <!-- Service -->
    <!-- 扫描注解定义 -->
    <context:component-scan base-package="cn.smbms.service"></context:component-scan>

其中的配置文件(偷懒)

	<!--  数据源 -->
	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
		<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
		<property name="url" value="jdbc:mysql://127.0.0.1:3306/smbms?useUnicode=true&amp;characterEncoding=utf-8&amp;useSSL=true"></property>
		<property name="username" value="root"></property>
		<property name="password" value="123456"></property>
	</bean>
	<!-- 配置SqlSessionFactoryBean -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    	<property name="dataSource" ref="dataSource"></property>
    	<property name="configLocation" value="classpath:mybatis-config.xml"></property>
    </bean>
    <!-- Dao -->    
    <!-- 通过MapperScannerConfigurer扫描基准包下的映射文件 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    	<property name="basePackage" value="cn.smbms.dao"></property>
    </bean>
    <!-- Service -->
    <!-- 扫描注解定义 -->
    <!-- 通过注释类,实现自动注入bean -->
    <context:component-scan base-package="cn.smbms.service"></context:component-scan>

注释类

public class UserServiceImpl implements UserService {

	@Autowired
	@Qualifier("userMapper")
	private UserMapper userMapper;
	public UserMapper getUserMapper() {
		return userMapper;
	}
	public void setUserMapper(UserMapper userMapper) {
		this.userMapper = userMapper;
	}
	@Override
	public List<User> findUsers(User user) {
		// TODO Auto-generated method stub
		return userMapper.getUserList(user);
	}

}