【Hibernate学习笔记-4】在hibernate.cfg.xml中配置C3P0数据源

<?xml version="1.0" encoding="GBK"?>
<!DOCTYPE hibernate-configuration PUBLIC
	"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
	"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
	<session-factory>
		<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
		<property name="connection.url">jdbc:mysql://localhost:3306/sampledb</property>
		<property name="connection.username">root</property>
		<property name="connection.password">qaz</property>
		<property name="hibernate.c3p0.max_size">20</property>
		<property name="hibernate.c3p0.min_size">1</property>
		<property name="hibernate.c3p0.timeout">5000</property>
		<property name="hibernate.c3p0.max_statements">100</property>
		<property name="hibernate.c3p0.idle_test_period">3000</property>
		<property name="hibernate.c3p0.acquire_increment">2</property>
		<property name="hibernate.c3p0.validate">true</property>
		<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
		<property name="hbm2ddl.auto">update</property><!--①-->
		<property name="show_sql">true</property>
		<property name="hibernate.format_sql">true</property>
		<mapping class="org.crazyit.app.domain.News"/>
	</session-factory>
</hibernate-configuration>