配置Hibernate使用C3P0连接池

<?xml version='1.0' encoding='UTF-8'?><!DOCTYPE hibernate-configuration PUBLIC          "-//Hibernate/Hibernate Configuration DTD 3.0//EN"          "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"><hibernate-configuration><session-factory><!-- JDBC驱动程序--><property name="connection.username">sa</property><property name="connection.url">jdbc:jtds:sqlserver://localhost:1433/userinfo</property><!--指定连接的语言--><property name="dialect">org.hibernate.dialect.SQLServerDialect</property><property name="connection.password">sa</property><property name="connection.driver_class">net.sourceforge.jtds.jdbc.Driver</property><!--是否将运行期生成的SQL输出到日志以供调试--><property name="show_sql">true</property><property name="format_sql">true</property><!-- C3P0连接池设定--><property name="hibernate.connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property><property name="hibernate.c3p0.max_size">20</property><property name="hibernate.c3p0.min_size">5</property><property name="hibernate.c3p0.timeout">120</property><property name="hibernate.c3p0.max_statements">100</property><property name="hibernate.c3p0.idle_test_period">120</property><property name="hibernate.c3p0.acquire_increment">2</property><mapping resource="com/lovo/po/UserPO.hbm.xml" /></session-factory></hibernate-configuration>