`
<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jdbc="http://www.springframework.org/schema/jdbc"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">
<!--包扫描-->
<context:component-scan base-package="com.mmall" annotation-config="true"/>
<bean id="propertyConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="order" value="2"/>
<property name="ignoreUnresolvablePlaceholders" value="true"/>
<property name="locations">
<list>
<value>classpath:datasource.properties</value>
</list>
</property>
<property name="fileEncoding" value="utf-8"/>
</bean>
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${db.driverClassName}"/>
<property name="url" value="${db.url}"/>
<property name="username" value="${db.username}"/>
<property name="password" value="${db.password}"/>
<!-- 连接池启动时的初始值 -->
<property name="initialSize" value="${db.initialSize}"/>
<!-- 连接池的最大值 -->
<property name="maxActive" value="${db.maxActive}"/>
<!-- 最大空闲值.当经过一个高峰时间后，连接池可以慢慢将已经用不到的连接慢慢释放一部分，一直减少到maxIdle为止 -->
<property name="maxIdle" value="${db.maxIdle}"/>
<!-- 最小空闲值.当空闲的连接数少于阀值时，连接池就会预申请去一些连接，以免洪峰来时来不及申请 -->
<property name="minIdle" value="${db.minIdle}"/>
<!-- 最大建立连接等待时间。如果超过此时间将接到异常。设为－1表示无限制 -->
<property name="maxWait" value="${db.maxWait}"/>
<!--#给出一条简单的sql语句进行验证 -->
<!--<property name="validationQuery" value="select getdate()" />-->
<property name="defaultAutoCommit" value="${db.defaultAutoCommit}"/>
<!-- 回收被遗弃的（一般是忘了释放的）数据库连接到连接池中 -->
<!--<property name="removeAbandoned" value="true" />-->
<!-- 数据库连接过多长时间不用将被视为被遗弃而收回连接池中 -->
<!--<property name="removeAbandonedTimeout" value="120" />-->
<!-- #连接的超时时间，默认为半小时。 -->
<property name="minEvictableIdleTimeMillis" value="${db.minEvictableIdleTimeMillis}"/>
<!--# 失效检查线程运行时间间隔，要小于MySQL默认-->
<property name="timeBetweenEvictionRunsMillis" value="40000"/>
<!--# 检查连接是否有效-->
<property name="testWhileIdle" value="true"/>
<!--# 检查连接有效性的SQL语句-->
<property name="validationQuery" value="SELECT 1 FROM dual"/>
</bean>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="mapperLocations" value="classpath*:mappers/*Mapper.xml"></property>
<!-- 分页插件 -->
<property name="plugins">
<array>
<bean class="com.github.pagehelper.PageHelper">
<property name="properties">
<value>
dialect=mysql
</value>
</property>
</bean>
</array>
</property>
</bean>
<bean name="mapperScannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.mmall.dao"/>
</bean>
<!-- 使用@Transactional进行声明式事务管理需要声明下面这行 -->
<tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true" />
<!-- 事务管理 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
<property name="rollbackOnCommitFailure" value="true"/>
</bean>
</beans>
