import org.hibernate.Session;

import org.hibernate.SessionFactory;

import org.hibernate.Transaction;

import org.hibernate.cfg.Configuration;

import org.hibernate.jdbc.Work;

import org.hibernate.service.ServiceRegistry;

import org.hibernate.service.ServiceRegistryBuilder;

import org.junit.After;

import org.junit.Before;

import org.junit.Test;

删除掉原来的那几个，把现在这段复制粘贴到代码中，如果还报错，就考虑是不是hibernate的核心jar包没有导入成功~