如何设计一个高效的学生管理系统以应对多样化的教育需求？

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javapackage org.jxnd.com;

public class Demo { public static void main(String[] args) { Manager info=new Manager(); info.menu(); }}

class Friend implements Serializable { public String name; public int age;}

Demo.java

package org.jxnd.com; public class Demo { public static void main(String[] args) { Manager info=new Manager(); info.menu(); } } Friend.java

package org.jxnd.com; import java.io.Serializable; public class Friend implements Serializable{ public int mid; public int fid; public String name; public Friend() { super(); // TODO 自动生成的构造函数存根 } public Friend(int mid, int fid, String name) { super(); this.mid = mid; this.fid = fid; this.name = name; } @Override public String toString() { return "Friend [mid=" + mid + ", fid=" + fid + ", name=" + name + "]"; } } //1001 1002 马屁飞 //1001 1003 美女丽 //1003 1002 小飞飞 //1003 10001 热巴 Manager.java

package org.jxnd.com; import java.util.ArrayList; //总管理类 public class Manager { public static ArrayList sList=new ArrayList (); public static ArrayList tList=new ArrayList (); public static String sPath="stu.bin"; static{ tList.add(new Teacher("admin","123456")); sList.add(new Student("大司马", "123456", 1001, "男", "0808008", "安徽-芜湖")); sList.add(new Student("马飞飞", "123456", 1002, "男", "0808008", "安徽-芜湖")); sList.add(new Student("张飞丽", "123456", 1003, "男", "0808008", "安徽-芜湖")); } public void menu(){ if(Tools.loadObject(Manager.sPath)!=null) Manager.sList=(ArrayList ) Tools.loadObject(Manager.sPath); if(Tools.loadObject(StudentManager.fPath)!=null) StudentManager.fList=(ArrayList ) Tools.loadObject(StudentManager.fPath); while (true) { switch (Tools.menuFactory("学生登录,老师登录")) { case 1: StudentManager info1=new StudentManager(); info1.login(); break; case 2: TeacherManager info2=new TeacherManager(); info2.login(); break; default: break; } } } } Tools.java

package org.jxnd.com; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.util.Scanner; public class Tools{ //静态资源和非静态资源的区别？ static Scanner input=new Scanner(System.in); public static String getString(String msg){ p(msg); return input.next(); } //加载信息 public static Object loadObject(String pathName){ Object obj=null; if(!new File(pathName).exists()) //判断这个文件是否存在 return obj; try { ObjectInputStream input=new ObjectInputStream(new FileInputStream(pathName)); obj=input.readObject(); input.close(); return obj; } catch (Exception e) { e.printStackTrace(); return null; } } //保存信息 public static boolean saveObject(Object obj,String pathName){ try { ObjectOutputStream output=new ObjectOutputStream(new FileOutputStream(pathName)); output.writeObject(obj); output.close(); return true; } catch (IOException e) { e.printStackTrace(); return false; } } //获取用户输入的整形 public static int getInt(String msg){ p(msg); return input.nextInt(); } public static boolean isContinue(String msg){ if(getString(msg).equalsIgnoreCase("y")) return true; return false; } public static void pl(String msg){ System.out.println(msg); } public static void pl(Object obj){ System.out.println(obj); } public static void p(String msg){ System.out.print(msg); } //菜单生成器 public static int menuFactory(String msg){ String[] strs=msg.split(","); StringBuffer sb=new StringBuffer(); sb.append("--------------------------------------\n"); for (int i=0;i :"); return getInt(sb.toString()); } } Person.java

package org.jxnd.com; import java.io.Serializable; public class Person implements Serializable{ private String name; private String pwd; public String getName() { return name; } public void setName(String name) { this.name = name; } public String getPwd() { return pwd; } public void setPwd(String pwd) { this.pwd = pwd; } public Person(String name, String pwd) { super(); this.name = name; this.pwd = pwd; } public Person() { super(); } @Override public boolean equals(Object arg0) { Person info=(Person)arg0; if(info.name.equals(this.name)&&info.pwd.equals(this.pwd)) return true; return false; } }