Hibernate 配置hibernate.cfg.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
    "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
    "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
    <!-- 配置数据库连接 connection -->
    <session-factory>
        <!-- 数据库驱动 -->
        <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
        <!-- 数据库地址 localhost可以写作 jdbc:mysql:/// -->
        <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/database_name</property>
        <!-- 数据库用户名 -->
        <property name="hibernate.connection.username">username</property>
        <!-- 数据库用户的密码 -->
        <property name="hibernate.connection.password">password</property>
        
        <!-- 数据库方言 MySQL -->
        <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
        
        <!-- 连接池 C3P0 -->
        <property name="hibernate.connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property>
        
        <!-- 格式化输出生成的SQL语句 -->
        <property name="hibernate.show_sql">true</property>
        <property name="hibernate.format_sql">true</property>
        
        <!-- 加载映射文件 -->
        <mapping resource="package.name.ClassName.hbm.xml" />
    </session-factory>
</hibernate-configuration>