独立测试hibernate框架连接数据实现增删改查

引入 jar包

hibernate配置文件 hibernate.cfg.xml

domain对象原型  User

hbm映射文件

单一测试Demo TestDemo

中间缺少某个包可能产生的异常  

 

框架名称	引用jar	必须性
hibernate	antlr-2.7.6.jar	必要
	asm-3.1.jar	必要
	cglib-2.2.jar	必要
	commons-collections-3.1.jar	必要
	commons-logging.jar	必要
	dom4j-1.6.1.jar	必要
	hibernate3.jar	必要
	hibernate-entitymanager.jar	必要
	hibernate-jpa-2.0-api-1.0.0.Final.jar	必要
	javassist-3.12.0.GA.jar	必要
	jta-1.1.jar	必要
	mysql-connector-java-5.0.7-bin.jar	必要

 

hibernate.cfg.xml

 

<hibernate-configuration>

<session-factory>
	<property name="myeclipse.connection.profile">com.mysql.jdbc.Driver</property>
	<property name="connection.url">jdbc:mysql://127.0.0.1:3306/myapplication</property>
	<property name="connection.username">root</property>
	<property name="connection.password">******</property>
	<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
	<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
	<property name="javax.persistence.validation.mode" >none</property>
	<property name="hibernate.hbm2ddl.auto">update</property>
	
	<mapping resource="com/web/wp/domain/hbm/Users.hbm.xml" />
	

</session-factory>

</hibernate-configuration>

 

 

User

 

package com.web.wp.domain;

import java.math.BigDecimal;
import java.util.Date;


/**
 * 用户原型
 * */
public class User {
	private Long u_id;
	private String u_name;
	private String sex;
	private String message;
	private Date birthday;
	private int age;
	private String liking;
	private BigDecimal deposit;
	
	
	public User() {

	}
	public User(String u_name) {
		super();
		this.u_name = u_name;
	}
	public Long getU_id() {
		return u_id;
	}
	public void setU_id(Long u_id) {
		this.u_id = u_id;
	}
	public String getU_name() {
		return u_name;
	}
	public void setU_name(String u_name) {
		this.u_name = u_name;
	}
	public String getSex() {
		return sex;
	}
	public void setSex(String sex) {
		this.sex = sex;
	}
	public String getMessage() {
		return message;
	}
	public void setMessage(String message) {
		this.message = message;
	}
	public Date getBirthday() {
		return birthday;
	}
	public void setBirthday(Date birthday) {
		this.birthday = birthday;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
	public String getLiking() {
		return liking;
	}
	public void setLiking(String liking) {
		this.liking = liking;
	}
	public BigDecimal getDeposit() {
		return deposit;
	}
	public void setDeposit(BigDecimal deposit) {
		this.deposit = deposit;
	}
	
}

 

 

TestDemo

package com.web.wp.hibernate;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.junit.Test;

import com.web.wp.domain.User;

/**
 * 测试独立使用hibernate框架连接数据库,实现增删改查
 * 
 * */
public class TestDemo {
	/**
	 * 获取configuration
	 * 获取sessionfactory
	 * 获取session 
	 * 获取Transaction 
	 * 
	 * */
	
	@Test
	/**测试*/
	public void test(){
		Configuration cf=new Configuration().configure();
		SessionFactory factory=cf.buildSessionFactory();
	/*	Session session=factory.getCurrentSession(); 假如没有配置当前线程 会失败?*/
		Session session=factory.openSession();
		User us=new User("张三");
		us=find(session, 2L);
		us.setU_name("王五");
		update(session, us);
		factory.close();
	}
	
	/**保存*/
	public void save(Session session,User us){
		Transaction tx= session.beginTransaction();
		
		try {
			session.save(us);
			tx.commit();
		} catch (HibernateException e) {
			e.printStackTrace();
			tx.rollback();
		}finally{
			session.close();
		}
	}
	
	/**删除*/
	public void delete(Session session,User us){
		Transaction tx= session.beginTransaction();
		try {
			session.delete(us);
			tx.commit();
		} catch (HibernateException e) {
			e.printStackTrace();
			tx.rollback();
		}finally{
			session.close();
		}
		
	}
	/**
	 * 查询单个
	 * */
	public User find(Session session,Long id){
		Transaction tx= session.beginTransaction();
		User us=(User)session.get(User.class, id);
		tx.commit();
		return us;
	}
	
	/**
	 * 修改单个
	 * */
	public void update(Session session,User us){
		Transaction tx= session.beginTransaction();
		try {
			session.saveOrUpdate(us);
			tx.commit();
		} catch (HibernateException e) {
			e.printStackTrace();
			tx.rollback();
		}finally{
			session.close();
		}
	}
	
}

 

肯能出现的异常

1 Caused by: java.lang.ClassNotFoundException: javax.persistence.EntityListeners
结果是 hibernate-distribution-3.6.0.Final\lib\jpa\hibernate-jpa-2.0-api-1.0.0.Final.jar这个包

2 跟valication相关的错误,先去将	<property name="javax.persistence.validation.mode" >none</property> 配置