c3p0-config.xml配置

<c3p0-config>    <default-config>        <property name="driverClass">com.mysql.jdbc.Driver</property>        <property name="jdbcUrl">jdbc:mysql://localhost:3306/contacts</property>        <property name="user">root</property>        <property name="password">root</property>        <property name="initialPoolSize">10</property>        <property name="minPoolSize">5</property>        <property name="maxPoolSize">20</property>        <property name="acquireIncrement">2</property>        <property name="maxIdleTime">30</property>                <property name="maxStatements">200</property>    </default-config></c3p0-config>