package com.yyx.dao;

import java.util.List;

import com.yyx.po.Student;

public interface StudentDao {
	public Student findStudentById(Integer id);
//	public void deleteStudentById(Integer id);
	public int deleteStudentById(Integer id);
	public void updateStudentById(Student student);
	public void addStudent(Student student);
	public List<Student> findall();
}