c3p0配置文件

<c3p0-config>
	<default-config>
	<property name="acquireIncrement">5</property>
	<property name="initialPoolSize">10</property>
	<property name="minPoolSize">5</property>
	<property name="maxPoolSize">20</property>
	<property name="jdbcUrl">jdbc:mysql://localhost:3306/tb_books</property>
	<property name="user">root</property>
	<property name="password">777</property>
	<property name="driverClass">com.mysql.jdbc.Driver</property>
</default-config>
</c3p0-config>