<?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
:cache="http
://www.springframework.org/schema/cache"
xmlns
:context="http
://www.springframework.org/schema/
context"
xmlns
:mvc="http
://www.springframework.org/schema/
mvc"
xmlns
:oxm="http
://www.springframework.org/schema/oxm"
xmlns
:p="http
://www.springframework.org/schema/p"
xmlns
:tx="http
://www.springframework.org/schema/tx"
xmlns
:task="http
://www.springframework.org/schema/task"
xsi
:schemaLocation="http
://www.springframework.org/schema/beans http
://www.springframework.org/schema/beans/spring
-beans
-4.1.xsd
http
://www.springframework.org/schema/aop http
://www.springframework.org/schema/aop/spring
-aop
-4.1.xsd
http
://www.springframework.org/schema/cache http
://www.springframework.org/schema/cache/spring
-cache
-4.1.xsd
http
://www.springframework.org/schema/
context http
://www.springframework.org/schema/
context/spring
-context-4.1.xsd
http
://www.springframework.org/schema/
mvc http
://www.springframework.org/schema/
mvc/spring
-mvc-4.1.xsd
http
://www.springframework.org/schema/oxm http
://www.springframework.org/schema/oxm/spring
-oxm
-4.1.xsd
http
://www.springframework.org/schema/tx http
://www.springframework.org/schema/tx/spring
-tx
-4.1.xsd
http
://www.springframework.org/schema/task http
://www.springframework.org/schema/task/spring
-task
-4.1.xsd">
<!
-- 使用缓存
annotation 配置
-->
<!
-- <cache
:annotation-driven cache
-manager="ehCacheManager" />
-->
<
mvc:default
-servlet
-handler/>
<bean id="property
Configurer"
class="org.springframework.beans.factory.
config.PropertyPlaceholder
Configurer">
<property name="locations">
<list>
<value>classpath
:jdbc.properties</value>
</list>
</property>
</bean>
<bean id="masterSource" class="com.alibaba.druid.pool.DruidDataSource"
init
-method="init" destroy
-method="close">
<property name="driverClassName">
<value>${jdbc.driverClassName}</value>
</property>
<property name="url">
<value>${jdbc.url.master}</value>
</property>
<property name="username">
<value>${jdbc.username.master}</value>
</property>
<property name="password">
<value>${jdbc.password.master}</value>
</property>
<!
-- 连接池最大使用连接数
-->
<property name="maxActive">
<value>50</value>
</property>
<!
-- 初始化连接大小
-->
<property name="initialSize">
<value>1</value>
</property>
<!
-- 获取连接最大等待时
间 -->
<property name="maxWait">
<value>60000</value>
</property>
<!
-- 连接池最大空闲
-->
<!
-- <property name="maxIdle">
<value>20</value>
</property>
-->
<!
-- 连接池最小空闲
-->
<property name="minIdle">
<value>30</value>
</property>
<property name="testWhileIdle">
<value>true</value>
</property>
<property name="validationQuery">
<value>select 1 from dual</value>
</property>
<!
-- 自动清除无用连接
-->
<property name="removeAbandoned">
<value>true</value>
</property>
<!
-- 清除无用连接的等待时
间 -->
<property name="removeAbandonedTimeout">
<value>90</value>
</property>
<!
-- 连接属性
-->
<property name="connectionProperties">
<value>clientEncoding=UTF
-8</value>
</property>
<!
-- 配置
间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒
-->
<property name="timeBetweenEvictionRunsMillis">
<value>60000</value>
</property>
<!
-- 配置一个连接在池中最小生存的时
间，单位是毫秒
-->
<property name="minEvictableIdleTimeMillis">
<value>300000</value>
</property>
</bean>
<bean id="slaveSource" class="com.alibaba.druid.pool.DruidDataSource"
init
-method="init" destroy
-method="close">
<property name="driverClassName">
<value>${jdbc.driverClassName}</value>
</property>
<property name="url">
<value>${jdbc.url.slave}</value>
</property>
<property name="username">
<value>${jdbc.username.slave}</value>
</property>
<property name="password">
<value>${jdbc.password.slave}</value>
</property>
<!
-- 连接池最大使用连接数
-->
<property name="maxActive">
<value>50</value>
</property>
<!
-- 初始化连接大小
-->
<property name="initialSize">
<value>1</value>
</property>
<!
-- 获取连接最大等待时
间 -->
<property name="maxWait">
<value>60000</value>
</property>
<!
-- 连接池最大空闲
-->
<!
-- <property name="maxIdle">
<value>20</value>
</property>
-->
<!
-- 连接池最小空闲
-->
<property name="minIdle">
<value>30</value>
</property>
<property name="testWhileIdle">
<value>true</value>
</property>
<property name="validationQuery">
<value>select 1 from dual</value>
</property>
<!
-- 自动清除无用连接
-->
<property name="removeAbandoned">
<value>true</value>
</property>
<!
-- 清除无用连接的等待时
间 -->
<property name="removeAbandonedTimeout">
<value>90</value>
</property>
<!
-- 连接属性
-->
<property name="connectionProperties">
<value>clientEncoding=UTF
-8</value>
</property>
<!
-- 配置
间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒
-->
<property name="timeBetweenEvictionRunsMillis">
<value>60000</value>
</property>
<!
-- 配置一个连接在池中最小生存的时
间，单位是毫秒
-->
<property name="minEvictableIdleTimeMillis">
<value>300000</value>
</property>
</bean>
<bean id="dynamicDataSource" class="com.sjsemi.rrc.datasource.DynamicDataSource">
<property name="targetDataSources">
<map key
-type="java.lang.String">
<entry key="master" value
-ref="masterSource"/>
<entry key="slave" value
-ref="slaveSource"/>
</map>
</property>
<!
-- 默认数据源
-->
<property name="defaultTargetDataSource" ref="masterSource"></property>
</bean>
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
<property name="dataSource" ref="dynamicDataSource"/>
</bean>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!
-- 注入数据库连接池
-->
<property name="dataSource" ref="dynamicDataSource"/>
<!
-- 配置myBatis全局配置文件
:mybatis
-config.xml
-->
<property name="
configLocation" value="classpath
:mybatis
-config.xml"/>
<!
-- 扫描entity包 使用别名
-->
<property name="typeAliasesPackage" value="com.sjsemi.rrc.entity"/>
<!
-- 扫描sql配置文件
:mapper需要的xml文件
-->
<property name="mapperLocations" value="classpath*
:com/sjsemi/rrc/mybatis/**/*Mapper.xml"/>
<property name="plugins">
<array>
<bean class="com.github.pagehelper.PageInterceptor">
<property name="properties">
<value>
helpDialect = oracle
</value>
</property>
</bean>
</array>
</property>
</bean>
<
context:component
-scan base
-package="com.sjsemi.rrc">
<
context:exclude
-filter type="
annotation" expression="org.springframework.stereotype.Controller"/>
</
context:component
-scan>
<task
:annotation-driven scheduler="taskScheduler" mode="proxy"/>
<task
:scheduler id="taskScheduler" pool
-size="10"/>
<!
-- 文件上传解析器
-->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="defaultEncoding" value="utf
-8"/>
</bean>
<!
-- 扫描basePackage下所有的接口类，根据对应的mapper.xml为其生成代理类
-->
<bean class="org.mybatis.spring.mapper.MapperScanner
Configurer">
<!
-- 注入sqlSessionFactory
-->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<!
-- 给出需要扫描Dao接口包
-->
<property name="basePackage" value="com.sjsemi.rrc.mybatis.mapper"/>
</bean>
<bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">
<constructor
-arg index="0" ref="sqlSessionFactory"></constructor
-arg>
</bean>
<!
-- 配置事务管理器
-->
<bean name="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dynamicDataSource"></property>
</bean>
<!
-- 注解方式配置事务
-->
<tx
:annotation-driven transaction
-manager="transactionManager" proxy
-target
-class="true"/>
<tx
:advice id="transactionAdvice" transaction
-manager="transactionManager">
<tx
:attributes>
<tx
:method name="add*" propagation="REQUIRED" rollback
-for="java.lang.Throwable"/>
<tx
:method name="append*" propagation="REQUIRED"/>
<tx
:method name="insert*" propagation="REQUIRED"/>
<tx
:method name="save*" propagation="REQUIRED"/>
<tx
:method name="creat*" propagation="REQUIRED"/>
<tx
:method name="update*" propagation="REQUIRED"/>
<tx
:method name="modify*" propagation="REQUIRED"/>
<tx
:method name="edit*" propagation="REQUIRED"/>
<tx
:method name="delete*" propagation="REQUIRED"/>
<tx
:method name="remove*" propagation="REQUIRED"/>
<tx
:method name="repair" propagation="REQUIRED"/>
<tx
:method name="delAndRepair" propagation="REQUIRED"/>
<tx
:method name="get*" read
-only="true"/>
<tx
:method name="query*" read
-only="true"/>
<tx
:method name="select*" read
-only="true"/>
<tx
:method name="find*" read
-only="true"/>
<tx
:method name="load*" read
-only="true"/>
<tx
:method name="search*" read
-only="true"/>
<tx
:method name="datagrid*" read
-only="true"/>
<tx
:method name="*" propagation="SUPPORTS"/>
</tx
:attributes>
</tx
:advice>
<aop
:config>
<aop
:pointcut id="transactionPointcut" expression="execution(* com.sjsemi.rrc.service.impl.*.*(..))"/>
<aop
:advisor pointcut
-ref="transactionPointcut" advice
-ref="transactionAdvice"/>
</aop
:config>
<aop
:aspectj
-autoproxy proxy
-target
-class="true"/>
<bean id="dataSourceAspect" class="com.sjsemi.rrc.datasource.DataSourceAspect"/>
<aop
:config>
<aop
:pointcut id="dataSourcePointcut" expression="execution(* com.sjsemi.rrc.service.impl.*.*(..))"/>
<aop
:advisor pointcut
-ref="dataSourcePointcut" advice
-ref="dataSourceAspect" order="1"/>
</aop
:config>
</beans>
本文介绍了Spring框架中通过注解实现的配置方式，包括不同类型的BeanPostProcessor的作用及如何支持@Required、@Autowired等注解。同时解释了<context:component-scan/>的使用，以及<mvc:annotation-driven/>如何简化@Controller注解的配置。
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