dbcp:
db.properties
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/mybatis?characterEncoding=utf-8
jdbc.username=root
jdbc.password=root
applicationContext.xml
<!-- 加载配置文件 -->
<context:property-placeholder location="classpath:db.properties" />
<!-- 数据库连接池 -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="${jdbc.driver}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="maxActive" value="10" />
<property name="maxIdle" value="5" />
</bean>
c3p0:
db.properties
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql:///sshtest?characterEncoding=utf-8
jdbc.username=root
jdbc.password=root
applicationContext.xml
<!-- 加载properties文件 -->
<context:property-placeholder location="classpath:db.properties"/>
<!-- 开启注解扫描 @Respostory @Service @Controller-->
<context:component-scan base-package="com.it" />
<!-- 配置连接池 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driverClass}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
两种链接池的配置,直接拿去复制就行。