spring 中c3p0的优化配置

jdbc.properties

driverClass=com.mysql.jdbc.Driver
jdbcUrl=jdbc:mysql://localhost:3306/testdb
user=root
password=123456
initialPoolSize=3
maxPoolSize=20

dataSource Bean配置

 <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
         destroy-method="close">
         <property name="driverClass" value="${driverClass}"></property>
         <property name="jdbcUrl" value="${jdbcUrl}"></property>
         <property name="user" value="${user}"></property>
         <property name="password" value="${password}"></property>
         <property name="initialPoolSize" value="${initialPoolSize}"></property>
         <property name="maxPoolSize" value="${maxPoolSize}"></property>
         <property name="maxIdleTime" value="300"></property>
 </bean>