采用传统实现类的方式
SqlMapConfig.xml配置如下
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"> <configuration> <!-- 别名可以在spring容器中配置
<typeAliases > 单个别名定义 使用,不区分大小写 <typeAlias type="com.zuikc.mybatis.pojo.User" alias="user"/> 别名包扫描器,别名是类的全称,不区分大小写 ,推荐方式 <package name="com.zuikc.mybatis.pojo"/> </typeAliases> --> <mappers> <mapper resource="mybatis/user.xml"/> </mappers> </configuration>
applicationContext.xml配置如下
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd"> <!-- 加载配置文件 --> <context:property-placeholder location="classpath:jdbc.properties" /> <!-- 数据库连接池 --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="${jdbc.driver}" /> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> <!-- 连接池的最大数据库连接数 --> <property name="maxActive" value="10" /> <!-- 最大空闲数 --> <property name="maxIdle" value="5" /> </bean> <!-- SqlSessionFactory配置 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <!-- 加载mybatis核心配置文件 --> <property name="configLocation" value="classpath:SqlMapConfig.xml" /> <!-- 别名包扫描 --> <property name="typeAliasesPackage" value="com.zuikc.mybatis.pojo" /> </bean> <!-- 传统Dao配置 --> <bean id="userDao" class="com.zuikc.mybatis.dao.impl.UserDaoImpl"> <property name="sqlSessionFactory" ref="sqlSessionFactory" /> </bean> </beans>
采用动态代理方式
如果接口和映射文件名称相同在同一包下,SqlMapConfig不用配置.否则,SqlMapConfig.xml需要配置
<mappers>
<mapper resource="mybatis/UserMapper.xml"/>
</mappers>
applicationContext.xml配置如下
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd"> <!-- 加载外部配置文件 --> <context:property-placeholder location="classpath:jdbc.properties" /> <!-- 数据库连接池 --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="${jdbc.driver}" /> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> <!-- 连接池的最大数据库连接数 --> <property name="maxActive" value="10" /> <!-- 最大空闲数 --> <property name="maxIdle" value="5" /> </bean> <!-- SqlSessionFactory配置 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <!-- 加载mybatis核心配置文件 --> <property name="configLocation" value="classpath:SqlMapConfig.xml" /> <!-- 别名包扫描 --> <property name="typeAliasesPackage" value="com.zuikc.mybatis.pojo" /> </bean> <!-- 动态代理配置方式:第一种 <bean id="baseMapper" class="org.mybatis.spring.mapper.MapperFactoryBean" abstract="true" lazy-init="true"> <property name="sqlSessionFactory" ref="sqlSessionFactory" /> </bean> 配置一个接口 <bean parent="baseMapper"> <property name="mapperInterface" value="com.zuikc.mybatis.mapper.UserMapper" /> </bean> --> <!-- 动态代理,第二种方式:包扫描(推荐): --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.zuikc.mybatis.mapper" /> <!-- basePackage多个包用","分隔 <property name="basePackage" value="com.zuikc.ssm.mapper" /> -->
<!-- 没有必要去指定sqlSessionFactory或sqlSessionTemplate,因为MapperScannerConfigurer将会
创建MapperFactoryBean,之后自动装配.但是如果使用了多个datasource,那么自动装配可能会失效.这种情况下可以用
sqlSessionFactoryBeanName或sqlSessionTemplateBeanName属性设置
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" /> -->
</bean>
</beans>