java控制台实现课程表

import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.util.ArrayList; public class GuanLi { static Schedule schedule=new Schedule(); public static void withdraw() throws IOException, ClassNotFoundException { File file=new File("E:/KeChengBiao.ser"); if(file.exists()) { FileInputStream fis=new FileInputStream(file); ObjectInputStream oip=new ObjectInputStream(fis); schedule=(Schedule) oip.readObject(); oip.close(); fis.close(); System.out.println("课程表提取成功"); } else System.out.println("课程表目前为空"); } public static void store() throws IOException { File file=new File("E:/KeChengBiao.ser"); FileOutputStream fos=new FileOutputStream(file); ObjectOutputStream oop=new ObjectOutputStream(fos); oop.writeObject(schedule); oop.close(); fos.close(); System.out.println("课程表保存成功"); } public static void main(String[] args) throws NumberFormatException, IOException, ClassNotFoundException, InstantiationException, IllegalAccessException { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); int type; withdraw(); do { System.out.println("请选择功能：1.增加课程，2.删除课程，3。修改课程，4.查看课程,5.保存并退出系统"); type=Integer.parseInt(br.readLine().trim()); String function=null; switch(type) { case 1: function="AddLecture"; break; case 2: function="DeleteLecture"; break; case 3: function="UpdateLecture"; break; case 4: function="ChaxunLecture"; break; case 5: System.out.println("退出"); break; default: System.out.println("无效操作"); break; } if(function!=null) { Class class1=Class.forName(function); Operation op=(Operation)class1.newInstance(); op.operation(schedule.lectureList); } } while (type!=5); store(); } }