Spring 註解方式 鏈接數據庫

下面是 spring的配置文件

applicationContext-db.xml的內容:

<?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:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"
default-lazy-init="true">
<context:component-scan base-package="com" />
<!-- 配置數據源 -->
<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="2" />
<property name="minIdle" value="1" />
<property name="maxActive" value="100" />
<!-- 配置獲取連接等待超時的時間 -->
<property name="maxWait" value="60000" />
<!-- 配置間隔多久才進行一次檢測，檢測需要關閉的空閒連接，單位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 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="300000" />
<!-- 用來檢測連接是否有效的sql，要求是一個查詢語句 -->
<property name="validationQuery" value="SELECT CURRENT_TIMESTAMP " />
<property name="testWhileIdle" value="true" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
<!-- 配置監控統計攔截的filters -->
<property name="filters" value="stat" />
</bean>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="plugins">
<array>
<ref bean="paginationInterceptor" />
</array>
</property>
<property name="dataSource" ref="dataSource" />
<property name="mapperLocations" value="classpath:mapping/*.xml"></property>
</bean>
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.hzdracom.dao" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
<!-- 註解方式配置事務-->
<tx:annotation-driven transaction-manager="transactionManager" />
<!-- 攔截器方式配置事務 -->
<tx:advice id="transactionAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="insert*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />
<tx:method name="*" propagation="SUPPORTS" />
</tx:attributes>
</tx:advice>
<aop:config>
<aop:pointcut id="transactionPointcut"
expression="execution(* com.hzdracom.service..*impl.*(..))" />
<aop:advisor pointcut-ref="transactionPointcut"
advice-ref="transactionAdvice" />
</aop:config>
<!-- 配置事務管理器 -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>


<bean id="paginationInterceptor" class="com.github.pagehelper.PageHelper">
<property name="properties">
<value>
dialect=postgresql
reasonable=true
</value>
</property>
</bean>
</beans>