hibernate正向生成数据库表以及配置——TestStu.java

package cn.bdqn.studentInfo.test;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.tool.hbm2ddl.SchemaExport;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import cn.bdqn.studentInfo.entity.Student;
import cn.bdqn.studentInfo.entity.Teacher;

/**
 * 测试类
 * @author Administrator
 *
 */
public class testStu {
	
	private Configuration conf=null;
	private SessionFactory sessionFac=null;
	private Session session=null;
	private Transaction tx=null;
	

	/**
	 * 正向创建数据表
	 */
	@Test
	public void createDB(){
		Configuration conf=new Configuration()
								.configure();
		SchemaExport export =new SchemaExport(conf);
		export.create(true, true);
	}
	/**
	 * 测试
	 */
	@Test
	public void testMethod(){
		Session session=new Configuration().configure().buildSessionFactory().openSession();
		Transaction tx=session.beginTransaction();
		try{
		//创建两个学生对象
		Student student1=new Student();
		student1.setName("张同学");
		student1.setId(9);
		
		Student student2=new Student();
		student2.setName("王同学");
		student2.setId(10);
		//创建两个老师对象
		Teacher teacher1=new Teacher();
		teacher1.setId(9);
		teacher1.setName("武老师");
		
		Teacher teacher2=new Teacher();
		teacher2.setId(10);
		teacher2.setName("程老师");
		
		/**
		 * 关联双方的关系
		 */
		
		//告诉张同学，武老师和程老师都带着你的课
		student1.getTeachers().add(teacher1);
		student1.getTeachers().add(teacher2);
		//告诉王同学，武老师和程老师都带着你的课
		student2.getTeachers().add(teacher1);
		student2.getTeachers().add(teacher2);
		//告诉武老师，你现在带着王、张同学的课
		teacher1.getStudents().add(student1);
		teacher1.getStudents().add(student2);
		//告诉程老师，你现在带着王、张同学的课
		teacher2.getStudents().add(student1);
		teacher2.getStudents().add(student2);
		//添加
		session.save(student1);
		session.save(student2);
		/*session.save(teacher1);
		session.save(teacher2);*/
		tx.commit();
		}catch (Exception e) {
			tx.rollback();//添加失败时，进行回滚
			e.printStackTrace();
		}
		
	}
	
	/**
	 * 关闭session
	 */
	@After
	public void closeSession(){
		if(session!=null){
			session.close();
		}
	}

}