ssh框架连接mysql

<!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="connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="connection.url">jdbc:mysql://localhost:3306/mydatabase</property>
        <property name="connection.username">root</property>
        <property name="connection.password">password</property>
        <!-- 其他配置 -->
        <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
        <property name="show_sql">true</property>
        <property name="hbm2ddl.auto">update</property>
        <!-- 映射文件 -->
        <mapping resource="com/example/User.hbm.xml"/>
    </session-factory>
</hibernate-configuration>

package com.example;

import javax.persistence.*;

@Entity
@Table(name = "users")
public class User {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
    private String username;
    private String email;

    // Getters and setters
}

<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
    <class name="com.example.User" table="users">
        <id name="id" column="id">
            <generator class="identity"/>
        </id>
        <property name="username" column="username"/>
        <property name="email" column="email"/>
    </class>
</hibernate-mapping>

package com.example;

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

public class Main {
    public static void main(String[] args) {
        // 创建SessionFactory
        SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory();
        // 创建Session
        Session session = sessionFactory.openSession();
        // 开始事务
        session.beginTransaction();
        // 查询用户
        User user = session.get(User.class, 1L);
        System.out.println(user.getUsername());
        // 提交事务
        session.getTransaction().commit();
        // 关闭Session和SessionFactory
        session.close();
        sessionFactory.close();
    }
}