不使用hibernate5.1.4和spring 4.3.4创建SessionFactory

<?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>
    <session-factory>
        <!-- 数据库连接配置 -->
        <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/mydatabase</property>
        <property name="hibernate.connection.username">root</property>
        <property name="hibernate.connection.password">password</property>
        
        <!-- 映射文件配置 -->
        <mapping class="com.example.entity.User"/>
        
        <!-- 其他配置 -->
        ...
    </session-factory>
</hibernate-configuration>

import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class HibernateUtil {
    private static final SessionFactory sessionFactory;

    static {
        try {
            // 读取配置文件
            Configuration configuration = new Configuration().configure();
            
            // 创建SessionFactory
            sessionFactory = configuration.buildSessionFactory();
        } catch (Throwable ex) {
            throw new ExceptionInInitializerError(ex);
        }
    }

    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }
}

import org.hibernate.Session;
import org.hibernate.Transaction;

public class UserDao {
    public void save(User user) {
        Session session = HibernateUtil.getSessionFactory().openSession();
        Transaction tx = null;
        
        try {
            tx = session.beginTransaction();
            session.save(user);
            tx.commit();
        } catch (Exception e) {
            if (tx != null) {
                tx.rollback();
            }
            e.printStackTrace();
        } finally {
            session.close();
        }
    }
    
    // 其他数据库操作方法
    ...
}