<?xml version="1.0" encoding="UTF-8"?>
<beans 
      xmlns="http://www.springframework.org/schema/beans"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xmlns:mvc="http://www.springframework.org/schema/mvc"
 xmlns:aop="http://www.springframework.org/schema/aop"
 xmlns:tx="http://www.springframework.org/schema/tx"
 xmlns:context="http://www.springframework.org/schema/context"
      xsi:schemaLocation="

 http://www.springframework.org/schema/beans 
 http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
      http://www.springframework.org/schema/context
      http://www.springframework.org/schema/context/spring-context-3.0.xsd
      http://www.springframework.org/schema/aop 
      http://www.springframework.org/schema/aop/spring-aop.xsd
      http://www.springframework.org/schema/tx
      http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
      http://www.springframework.org/schema/mvc
      http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
           
      ">
      
      <!-- 1. 配置c3p0连接池 -->
      <bean id="comboPooledDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
      <property name="driverClass" value="Oracle.jdbc.driver.OracleDriver"/>
      <property name="jdbcUrl" value="jdbc:oracle:thin:@localhost:1521:orcl"/>
      <property name="user" value="scm"/>
      <property name="password" value="666"/>
      </bean>
      
      <!-- 2. 配置sqlsession代替原生mybatisUtil工具类 -->
      <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
      <!-- 加载配置文件mybatis.xml -->
      <property name="configLocation" value="classpath:mybatis.xml"/>
      <!-- 引入数据资源 -->
      <property name="dataSource" ref="comboPooledDataSource"/>
      </bean>
      
      <!-- 3. mybatis事务管理器,底层用的是jdbc -->
      <bean id="dataSourceTransactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
      <!-- 引入数据源 -->
      <property name="dataSource" ref="comboPooledDataSource"/>
      </bean>


      <!-- 由于使用了接口的命名空间,不需要dao的实现类,也不需要sqlSessionTemplate了 -->
      <!--<bean id="sqlSessionTemplate" class="org.mybatis.spring.SqlSessionTemplate">
<constructor-arg name="sqlSessionFactory" ref="sqlSessionFactory"/>

 </bean>
       -->
      
      <!-- 4. 配置事物通知,如何管理事物 -->
      <tx:advice id="tx" transaction-manager="dataSourceTransactionManager">
      <tx:attributes>
      <!-- rollback-for="Exception" 回滚异常 -->
      <tx:method name="insert*" propagation="REQUIRED" rollback-for="Exception"/>
      <tx:method name="update*" propagation="REQUIRED" rollback-for="Exception"/>
      <tx:method name="delete*" propagation="REQUIRED" rollback-for="Exception"/>
      <!-- 如果有事务则在当前事务执行,当前没事务则在没事务情况下执行 -->
      <tx:method name="*" propagation="SUPPORTS"/>
      </tx:attributes>
      </tx:advice>
      
      <!-- 5.配置事物切面aop,拦截哪些方法 -->
      <aop:config>
      <aop:pointcut expression="execution(* com.coffee.scm.service.impl.*.*(..))" id="pointcut"/>
      <aop:advisor advice-ref="tx" pointcut-ref="pointcut"/>
      </aop:config>
      
      <!-- 注册dao -->
     <!--  <bean id="deptDao" class="com.coffee.scm.dao.impl.DeptDao">
      <property name="sqlSessionTemplate" ref="sqlSessionTemplate"/>
      </bean>   -->
      <!-- 注册action(注解),里面有service,service加了注解,扫描 -->
      <!-- <context:component-scan base-package="*"/> -->
      
      <!-- 扫描过滤掉controller,因为他们是在springmvc里面配的,否则会出现问题 -->
      <context:component-scan base-package="com.coffee">
      <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
      </context:component-scan>
      <!-- 配置dao接口映射,然后就不用写dao实现类了
            配置 转换器，对于在basePackage设置的包（包括子包）下的接口类，如果在Mapper.xml文件中定义过，
               将被转换成spring的BEAN，在调用 的地方通过@Autowired方式将可以注入接口实例
           由spring自己完成接口的实现
         value="com.coffee.scm.dao"映射接口全路径
         
       -->
      <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
      <property name="sqlSessionFactory" ref="sqlSessionFactory"></property>
      <property name="basePackage" value="com.coffee.scm.dao"></property>
      </bean>
      
      <!-- 通知springioc注解作用 -->
      <context:annotation-config /> 
      
</beans>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" 
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<!-- namespace定义接口的全路径,只需要在接口定义方法
不需要dao层的实现类,然后再写sql语句就行了
原理:
 -->
<mapper namespace="com.coffee.scm.dao.IDeptDao">
<resultMap type="dept" id="deptResultMap">
<id property="deptId" column="dept_id"/>
<result property="deptName" column="dept_name"/>
<result property="deptAddress" column="dept_address"/>
</resultMap>

<select id="selectDept" parameterType="Integer" resultMap="deptResultMap">
<!--参数的写法#{deptID} -->
select * from dept where dept_id =#{deptId}
</select>


<insert id="insert" parameterType="dept">
insert into dept values(#{deptId},#{deptName},#{deptAddress})
</insert>

</mapper>

package com.coffee.scm.service.impl;


import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;


import com.coffee.scm.dao.IDeptDao;
import com.coffee.scm.entity.Dept;
import com.coffee.scm.service.IDeptService;


@Service
public class DeptService implements IDeptService {


// 这个注解是根据类型配置,只需找类型,加上这个注解,然后配置接口映射可以去掉dao的接口实现,由spring自动代理完成
@Autowired
private IDeptDao deptDao;


/**
* 插入部门信息,如果遇到异常会回滚,因为spring.xml的事务通知配置里面配置了rollback-for="Exception"
*/
@Override
public void insertDept(Dept dept) throws Exception {
try {
deptDao.insert(dept);


} catch (Exception e) {
throw new Exception(e);
}
}


}