hibernate5.2.1版本使用

灰太狼 2022-09-29 11:57 111阅读 0赞

依赖的jar包：

![依赖的jar][jar]

实例类 Student.java
    
    package zh.hibernate.domain;
    
    import java.io.Serializable;
    
    import javax.persistence.Column;
    import javax.persistence.Entity;
    import javax.persistence.GeneratedValue;
    import javax.persistence.Id;
    import javax.persistence.Table;
    
    import org.hibernate.annotations.GenericGenerator;
    
    @Entity
    @Table(name = "student", catalog = "demo")
    public class Student implements Serializable { 
    
        /** * */
        private static final long serialVersionUID = -2303585682086502906L;
        @GenericGenerator(name = "generator", strategy = "increment")
        @Id
        @GeneratedValue(generator = "generator")
        @Column(name = "id", unique = true, nullable = false)
        private int id;
        @Column(name = "no")
        private String no;
        @Column(name = "name")
        private String name;
    
        public int getId() {
            return id;
        }
    
        public void setId(int id) {
            this.id = id;
        }
    
        public String getNo() {
            return no;
        }
    
        public void setNo(String no) {
            this.no = no;
        }
    
        public String getName() {
            return name;
        }
    
        public void setName(String name) {
            this.name = name;
        }
    
        public Student() {
    
        }
    
    }

测试类 
    package zh.hibernate.test;
    
    import org.hibernate.Session;
    import org.hibernate.SessionFactory;
    import org.hibernate.Transaction;
    import org.hibernate.boot.MetadataSources;
    import org.hibernate.boot.registry.StandardServiceRegistry;
    import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
    
    import zh.hibernate.domain.Student;
    
    public class Test {
        public static void main(String[] args) {
    
            // 1、新建Configuration对象
            // Configuration cfg =new Configuration().configure();
            // 2、通过Confinguration创建SessionFactory对象
            // 在hibernate3.x是这种写法
            // SessionFactory sf =cfg.buildSessionFactory();
            // hibernate4.3
            // ServiceRegistry registry = new StandardServiceRegistryBuilder()
            // .applySettings(cfg.getProperties())
            // .build();
            // SessionFactory sf = cfg.buildSessionFactory(registry);
            // 3、通过SessionFactory对象得到Session
    
            /** * 5.2.1配置的方法 */
            StandardServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().configure().build();
            SessionFactory sessionFactory = new MetadataSources(serviceRegistry).buildMetadata().buildSessionFactory();
            Session session = sessionFactory.openSession();
            // 4、通过Session对象得到Transaction
            Transaction tx = session.beginTransaction();
            // 5、保存输出
            Student user = new Student();
            user.setName("小米");
            user.setNo("060814");
            session.save(user);
            // 6、提交事务
            tx.commit();
            // 7、关闭session
            session.close();
        }
    }
    
    hibernate.cfg.xml 配置文件
    
    
    <!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>
            <property name="show_sql">true</property>
            <property name="connection.driver_class">com.mysql.jdbc.Driver</property>  
            <property name="connection.url">jdbc:mysql://localhost:3306/demo</property>  
            <property name="connection.username">root</property>  
            <property name="connection.password">root</property>  
            <property name="dialect">org.hibernate.dialect.MySQL5Dialect</property>  
            <mapping class="zh.hibernate.domain.Student" />
        </session-factory>
    </hibernate-configuration>

[jar]: /images/20220708/1411ccc90b194f06979463edeba90dfc.png