1. 程式人生 > >springMVC+spring+mybatis多數據源配置

springMVC+spring+mybatis多數據源配置

expr init mybatis onf exp 超時 png wait http

1.application.properties配置

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context"
	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:p="http://www.springframework.org/schema/p"
	xmlns:util="http://www.springframework.org/schema/util" xmlns:jdbc="http://www.springframework.org/schema/jdbc"
	xmlns:cache="http://www.springframework.org/schema/cache"
	xsi:schemaLocation="http://www.springframework.org/schema/beans  
        http://www.springframework.org/schema/beans/spring-beans.xsd  
        http://www.springframework.org/schema/util   
        http://www.springframework.org/schema/util/spring-util.xsd  
        http://www.springframework.org/schema/context  
        http://www.springframework.org/schema/context/spring-context.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.xsd">


	<!-- 自動掃描spring註解,排除springmvc已掃描的Controller註解 -->
	<context:component-scan base-package="com.ln.web">
		<context:exclude-filter type="annotation"
			expression="org.springframework.stereotype.Controller" />
	</context:component-scan>

	<!-- mybatis與spring整合 -->
	<!-- 引入配置文件 -->
	<bean id="propertyConfigurer"
		class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="locations">
			<list>
				<value>classpath*:application.properties</value>
			</list>
		</property>
	</bean>
	<!-- dataSource 配置 -->
	<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
		init-method="init" destroy-method="close">
		<!-- 基本屬性 url、user、password -->
		<property name="url" value="${jdbc.url}" />
		<property name="username" value="${jdbc.username}" />
		<property name="password" value="${jdbc.password}" />

		<!-- 配置初始化大小、最小、最大 -->
		<property name="initialSize" value="${ds.initialSize}" />
		<property name="minIdle" value="${ds.minIdle}" />
		<property name="maxActive" value="${ds.maxActive}" />

		<!-- 配置獲取連接等待超時的時間 -->
		<property name="maxWait" value="${ds.maxWait}" />

		<!-- 配置間隔多久才進行一次檢測,檢測需要關閉的空閑連接,單位是毫秒 -->
		<property name="timeBetweenEvictionRunsMillis" value="${ds.timeBetweenEvictionRunsMillis}" />

		<!-- 配置一個連接在池中最小生存的時間,單位是毫秒 -->
		<property name="minEvictableIdleTimeMillis" value="${ds.minEvictableIdleTimeMillis}" />

	</bean>
	<!-- 配置sqlSessionFactory -->
	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<property name="configLocation" value="classpath:mybatis-config.xml" />
		<property name="dataSource" ref="dataSource" />
		<property name="mapperLocations" value="classpath:com/ln/web/dao/*.xml"></property>
	</bean>

	<!-- 對dataSource 數據源進行事務管理 -->
	<bean id="transactionManager"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource"></property>
	</bean>

	<!-- 掃描mapper接口 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.ln.web.dao"></property>
		<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
	</bean>
 <!-- 事務管理 通知 -->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <!-- 對insert,update,delete 開頭的方法進行事務管理,只要有異常就回滾 -->
            <tx:method name="insert*" propagation="REQUIRED" rollback-for="java.lang.Throwable"/>
            <tx:method name="update*" propagation="REQUIRED" rollback-for="java.lang.Throwable"/>
            <tx:method name="delete*" propagation="REQUIRED" rollback-for="java.lang.Throwable"/>
            <!-- select,count開頭的方法,開啟只讀,提高數據庫訪問性能 -->
            <tx:method name="select*" read-only="true"/>
            <tx:method name="count*" read-only="true"/>
            <!-- 對其他方法 使用默認的事務管理 -->
            <tx:method name="*"/>
        </tx:attributes>
    </tx:advice>
	<!-- 啟用對事務註解的支持 -->
	<tx:annotation-driven transaction-manager="transactionManager" />



	<!-- 配置多個數據源 -->
	<bean id="dataSource2" class="com.alibaba.druid.pool.DruidDataSource"
		init-method="init" destroy-method="close">
		<!-- 基本屬性 url、user、password -->
		<property name="url" value="${jdbc.url_2}" />
		<property name="username" value="${jdbc.username_2}" />
		<property name="password" value="${jdbc.password_2}" />

		<!-- 配置初始化大小、最小、最大 -->
		<property name="initialSize" value="${ds.initialSize}" />
		<property name="minIdle" value="${ds.minIdle}" />
		<property name="maxActive" value="${ds.maxActive}" />

		<!-- 配置獲取連接等待超時的時間 -->
		<property name="maxWait" value="${ds.maxWait}" />

		<!-- 配置間隔多久才進行一次檢測,檢測需要關閉的空閑連接,單位是毫秒 -->
		<property name="timeBetweenEvictionRunsMillis" value="${ds.timeBetweenEvictionRunsMillis}" />

		<!-- 配置一個連接在池中最小生存的時間,單位是毫秒 -->
		<property name="minEvictableIdleTimeMillis" value="${ds.minEvictableIdleTimeMillis}" />
	</bean>
	<!-- 配置sqlSessionFactory -->
	<bean id="sqlSessionFactory2" class="org.mybatis.spring.SqlSessionFactoryBean">
		<property name="configLocation" value="classpath:mybatis-config-2.xml" />
		<property name="dataSource" ref="dataSource2" />
		<property name="mapperLocations" value="classpath:com/ln/web/db2/dao/*.xml"></property>
	</bean>
	<!-- 對dataSource 數據源進行事務管理 -->
	<bean id="transactionManager2"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource2"></property>
	</bean>
	
    <!-- 事務管理 通知 -->
    <tx:advice id="txAdvice2" transaction-manager="transactionManager2">
        <tx:attributes>
            <!-- 對insert,update,delete 開頭的方法進行事務管理,只要有異常就回滾 -->
            <tx:method name="insert*" propagation="REQUIRED" rollback-for="java.lang.Throwable"/>
            <tx:method name="update*" propagation="REQUIRED" rollback-for="java.lang.Throwable"/>
            <tx:method name="delete*" propagation="REQUIRED" rollback-for="java.lang.Throwable"/>
            <!-- select,count開頭的方法,開啟只讀,提高數據庫訪問性能 -->
            <tx:method name="select*" read-only="true"/>
            <tx:method name="count*" read-only="true"/>
            <!-- 對其他方法 使用默認的事務管理 -->
            <tx:method name="*"/>
        </tx:attributes>
    </tx:advice>
    	  <!-- 事務 aop 配置 -->
    <aop:config>
        <aop:pointcut id="serviceMethods" expression="execution(* com.simple.web.service..*(..))"/>
        <aop:advisor advice-ref="txAdvice" pointcut-ref="serviceMethods"/>
        <aop:advisor advice-ref="txAdvice2" pointcut-ref="serviceMethods"/>
    </aop:config>
    	<!-- 啟用對事務註解的支持 -->
	<tx:annotation-driven transaction-manager="transactionManager2" />
	<!-- 掃描mapper接口 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.ln.web.db2.dao"></property>
		<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory2"></property>
	</bean>

</beans>

  

2.mybatis配置文件:

mybatis-config.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "classpath:schema/mybatis-3-config.dtd">
<configuration>

 <typeAliases>
        <package name="com.ln.web.model"/>
    </typeAliases>
</configuration>

mybatis-config-2.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "classpath:schema/mybatis-3-config.dtd">
<configuration>

 <typeAliases>
        <package name="com.ln.web.db2.model"/>
    </typeAliases>
</configuration>

3.目錄結構

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springMVC+spring+mybatis多數據源配置