hibernate在MYSQL中的使用

Hibernate 配置通过c3p0连接MYSQL
** 需要的包: c3p0_versionxx.jar
** hibernate.cfg.xml
<?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">
<!-- Generated by MyEclipse Hibernate Tools.                   -->
<hibernate-configuration>
<session-factory>
    <property name="connection.url">jdbc:mysql://localhost:3306/spring</property>
    <property name="connection.username">root</property>
    <property name="connection.password">fangjean</property>
    <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
    <property name="connection.useUnicode">true</property>
    <property name="connection.characterEncoding">UTF-8</property>
   
    <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>
   
    <property name="dialect">org.hibernate.