istudentdao.java

一个简单的登陆系统

package com.niit.dao;

import java.util.List;

import com.niit.model.Student;

public interface IStudentDAO
{

	public  void save(Student transientInstance);

	public  void delete(Student persistentInstance);

	public  Student findById(java.lang.Integer id);

	public  List findByExample(Student instance);

	public  List findByProperty(String propertyName, Object value);

	public  List findBySname(Object sname);

	public  List findByCity(Object city);

	public  List findByAge(Object age);

	public  List findAll();

	public  Student merge(Student detachedInstance);

	public  void attachDirty(Student instance);

	public  void attachClean(Student instance);

}