1、配置db.properties文件:
driver=oracle.jdbc.driver.OracleDriver
url=jdbc:oracle:thin:@localhost:1521:orcl
user=root
pwd=root
initSize=1
maxSize=3
2、注入依赖:
<!-- 读取db.properties文件 -->
<util:properties id="dbprop" location="classpath:db.properties"/>
<!-- 配置连接池 -->
<bean id="ds" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="#{dbprop['driver']}"/>
<property name="url" value="#{dbprop['url']}"/>
<property name="username" value="#{dbprop['user']}"/>
<property name="password" value="#{dbprop['pwd']}"/>
<property name="initialSize" value="#{dbprop['initSize']}"/>
<property name="maxActive" value="#{dbprop['maxSize']}"/>
</bean>