package QQ9_20;

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.io.Serializable;
import java.util.ArrayList;
import java.util.List;

//   班级类
class MyClass implements Serializable{

	private String cname;
	private List<Student> ss;

	public MyClass() {
	}

	public MyClass(String cname, List<Student> ss) {
		this.cname = cname;
		this.ss = ss;
	}

	public void setCname(String cname) {
		this.cname = cname;
	}

	public String getCname() {
		return cname;
	}

	public void setSs(List<Student> ss) {
		this.ss = ss;
	}

	public List<Student> getSs() {
		return ss;
	}
	/*public String toString(){
		
		return \t"+this.ss;
	}*/
}

// 学生类
class Student extends MyClass implements Serializable{

	private int sid;
	private String sname;
	private int age;

	public Student() {
	}

	public Student(int sid, String sname, int age) {
		this.sid = sid;
		this.sname = sname;
		this.age = age;
	}

	public void setSid(int sid) {
		this.sid = sid;
	}

	public int getSid() {
		return sid;
	}

	public void setSname(String sname) {
		this.sname = sname;
	}

	public String getSname() {
		return sname;
	}

	public void setAge(int age) {
		this.age = age;
	}

	public int getAge() {
		return age;
	}

	// 显示信息
	public String toString() {
		return this.getSid() + "\t" + this.getSname() + "\t" + this.getAge();
	}
}

public class 班级信息处理 {
	
	static void AddInform() {
		// 建立班级对象并建立两个List
		List<Student> lis1 = new ArrayList();
		List<Student> lis2 = new ArrayList();
		// 建立学生类的对象,并且将其传入List中
		Student st1 = new Student(23, "陶辉", 15);
		Student st2 = new Student(9, "周露康", 13);
		Student st3 = new Student(5, "简小华", 13);
		Student st4 = new Student(15, "周露霞", 14);
		Student st5 = new Student(34, "肖佳鑫", 14);
		lis1.add(st1);
		lis1.add(st2);
		lis2.add(st3);
		lis2.add(st4);
		lis2.add(st5);
		MyClass mc1 = new MyClass("初三（1）班", lis1);
		MyClass mc2 = new MyClass("初三（2）班", lis2);
		//将班级信息建立List
		List<MyClass> mylis = new ArrayList();
		mylis.add(mc1);
		mylis.add(mc2);
		// 将信息写入文件中
        /*try {
			InputTheFile(mylis);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}*/
		
		// 将信息从文件中读出来
		try {
			try {
				List<MyClass> mylis2 = OutputTheFile();
				for (MyClass mc:mylis2){
					//输出班级名
					System.out.println(mc.getCname());
					//输出班级中学生的信息
					for(Student ST:mc.getSs()){
						System.out.println(ST.toString());
					}
				}
			} catch (ClassNotFoundException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
    static void InputTheFile(List<MyClass> mylis) throws IOException{
		//建立文件与数据的关系   并且将其序列化
    	FileOutputStream fos = new FileOutputStream("c:\\classinform.txt");
    	ObjectOutputStream oos = new ObjectOutputStream(fos);
    	
    	oos.writeObject(mylis);
    	System.out.println("信息成功地写入了文件中！");
    	oos.close();
    	fos.close();
    	
	}
    
    static List<MyClass> OutputTheFile() throws IOException, ClassNotFoundException
    {
    	FileInputStream fos = new FileInputStream("c:\\classinform.txt");
    	ObjectInputStream oos = new ObjectInputStream(fos);
    	List<MyClass> mylis = new ArrayList();
//    	MyClass MC = new MyClass();
    	try{
    		while(true){
        		
    			MyClass MC = (MyClass)oos.readObject();
                mylis.add(MC);
       	    }
    	   }catch(Exception e){
    		   
    	   }
    	   finally{
    		   oos.close();
           	   fos.close();
    	   }
    	   System.out.println("文件读取成功！");
       	   return mylis;
    }
	

	public static void main(String[] args) {
		AddInform();
	}
}