hibernate配置文件

<?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>
        <property name="connection.username"> root</property>
        <property name="connection.password"> 123456</property>
        <property
                name="connection.driver_class">com.mysql.cj.jdbc.Driver</property>
        <property name="connection.url">jdbc:mysql://localhost:3306/hibernate?
            useUnicode=true&amp;characterEncoding=UTF-8</property>
        <!-- C3P0 -->
        <property name="hibernate.c3p0.acquire_increment">10</property>
        <property name="hibernate.c3p0.idle_test_period">10000</property>
        <property name="hibernate.c3p0.timeout">5000</property>
        <property name="hibernate.c3p0.max_size">30</property>
        <property name="hibernate.c3p0.min_size">5</property>
        <property name="hibernate.c3p0.max_statements">10</property>
        <!-- 数据库⽅⾔ -->
        <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
        <!-- 打印SQL -->
        <property name="show_sql">true</property>
        <!-- 格式化SQL -->
        <property name="format_sql">true</property>
        <!-- 是否⾃动⽣成数据库 -->
        <property name="hibernate.hbm2ddl.auto"></property>
    </session-factory>
</hibernate-configuration>