Hibernate配置文件

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD//EN"
        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>

    <session-factory>
        <property name="connection.url">jdbc:mysql://localhost:3306/test</property>
        <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="connection.username">root</property>
        <property name="connection.password">root</property>

        <!--指定连接池里最大连接数-->
        <property name="hibernate.c3p0.max_size">20</property>
        <!--指定连接池里最小连接数-->
        <property name="c3p0.min_size">8</property>
        <!--指定连接池里连接的超时时长-->
        <property name="hibernate.c3p0.timeout">5000</property>
        <!--指定连接池里最大缓存多少个Statement对象-->
        <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>
        <!-- 指定数据库方言-->
        <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
        <!-- 根据需要自动创建数据表-->
        <property name="hibernate.hbm2ddl.auto">update</property>

        <!--设置二级缓存-->
        <property name="hibernate.cache.provider_class">org.hibernate.CacheMode</property>
        <!--控制台输出hibernate生成的sql-->
        <property name="hibernate.show_sql">true</property>
        <!--将sql语句转成良好的sql-->
        <property name="hibernate.format_sql">true</property>
        <!--设置是否自动提交，通常不建议打开自动提交-->
        <property name="hibernate.connection.autocommit">false</property>

        <!-- 罗列所有的映射文件-->
        <mapping resource="hibernate/News.hbm.xml"/>

    </session-factory>
</hibernate-configuration>