studentdaofromtextfile.java

完成考试功能完成考试功能完成考试功能完成考试功能完成考试功能完成考试功能

package com.tarena.exam.dao;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;

import com.tarena.exam.model.Student;

public class StudentDaoFromTextFile implements StudentDao{
	private File file;
	
	public StudentDaoFromTextFile(File f){
		this.file=f;
	}
	
	public Student getStudent(int id, String passwd) {
		//？？？？？？
		return null;
	}
	
//	public static void main(String[] args){
//		StudentDao dao=new StudentDaoFromTextFile(new File("student.dat"));
//		Student s=dao.getStudent(1005,"1234");
//		if(s!=null){
//			System.out.println(s.getName()+",欢迎登录!");
//		}else{
//			System.out.println("ID 或密码不正确！");
//		}
//	}
	
}