Question

package com.gontuseries.hibernate;

导入org.hibernate.Session; 导入org.hibernate.SessionFactory;

导入org.hibernate.cfg.Configuration;

导入java.text.Annotation;

导入org.hibernate.Session; 导入org.hibernate.SessionFactory;

导入com.fasterxml.classmate.AnnotationConfiguration;

公共类主要{

public static void main(String[] args) {
    Student_Info obj = new Student_Info();
    obj.setName("hello1");
    obj.setRollno(4);


    SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory();
    Session session = sessionFactory.openSession();
    session.beginTransaction();

    // this would save the Student_Info object into the database
    session.save(obj);


    session.getTransaction().commit();
    session.close();
    sessionFactory.close(); 
}

}

Answer 1

可能的问题是您没有按预期映射您的Student_Info，需要使用标记@Entity，这样JPA便知道您要保留该对象。

@Entity
公共课程Student_Info {

}

无法将值存储在表中

1 个答案: