spring2.5注释型 + jpa + 数据库池的配置（3）

Person.java(实体文件)

package org.jinsheng.jpa.entity;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;

@Entity  //声名为一个实体
@Table(name = "pjsh_person")  //表名
public class Person
{
	@Id //主键
	private long id;
	@Column //列 如果列与此实体属性不匹配应如此写 @Column(name="column name")
	private String name;
	@Column
	private String username;
	@Column
	private String password;
	@Column
	private String sex;
	@Column
	private int age;

	public long getId()
	{
		return id;
	}

	public void setId(long id)
	{
		this.id = id;
	}

	public String getName()
	{
		return name;
	}

	public void setName(String name)
	{
		this.name = name;
	}

	public String getUsername()
	{
		return username;
	}

	public void setUsername(String username)
	{
		this.username = username;
	}

	public String getPassword()
	{
		return password;
	}

	public void setPassword(String password)
	{
		this.password = password;
	}

	public String getSex()
	{
		return sex;
	}

	public void setSex(String sex)
	{
		this.sex = sex;
	}

	public int getAge()
	{
		return age;
	}

	public void setAge(int age)
	{
		this.age = age;
	}

	@Override
	public String toString()
	{
		StringBuffer buf = new StringBuffer();
		buf.append("ID:");
		buf.append(this.id);
		buf.append(";name:");
		buf.append(this.name);
		buf.append(";username:");
		buf.append(this.username);
		buf.append(";password:");
		buf.append(this.password);
		buf.append(";sex:");
		buf.append(this.sex);
		buf.append(";age:");
		buf.append(this.age);
		return buf.toString();
	}

	@Override
	public boolean equals(Object obj)
	{
		if (obj instanceof Person)
		{
			Person person = (Person) obj;
			if (((id == 0) && (person.getId() != 0))
					|| (id != 0 && id != person.getId()))
			{
				return false;
			}
			return true;
		}
		return false;
	}

	@Override
	public int hashCode()
	{
		Long id = getId();
		int hash = 0;
		hash += (id != null ? id.hashCode() : 0);
		return hash;
	}

	@Override
	public Person clone()
	{
		Person person = new Person();
		person.setId(id);
		person.setAge(age);
		person.setName(name);
		person.setUsername(username);
		person.setPassword(password);
		person.setSex(sex);
		return person;
	}
}