package com.imooc.p;

import java.io.Serializable;

public class Product implements Serializable {

// 属性(Attribute)

private String id;

private String name;

private String catrgories;

private double price;

// 无参构造方法

public Product() {

}

// 带参构造方法，并对所有属性赋值

public Product(String id, String name, String categories, double price) {

this.setId(id);

this.setName(name);

this.setCatrgories(categories);

this.setPrice(price);

}

// getter setter

public void setId(String id) {

this.id = id;

}

public String getId() {

return id;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getCatrgories() {

return catrgories;

}

public void setCatrgories(String catrgories) {

this.catrgories = catrgories;

}

public double getPrice() {

return price;

}

public void setPrice(double price) {

this.price = price;

}

public String toString() {

return "产品ID: " + this.getId() + "\n产品名称： " + this.getName() + "\n产品属性： " + this.getCatrgories() + "\n产品价格： "

+ this.getPrice()+"元\n";

}

}

==============================

package com.imooc.p;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.ObjectInputStream;

import java.io.ObjectOutputStream;

public class ProductTest {

public static void main(String[] args) {

// 定义Product类的对象

Product iphone = new Product("123", "iphone", "telephone", 4888.0);

Product ipad = new Product("234", "iapd", "computer", 5088.0);

Product macbook = new Product("345", "macbook", "computer", 10688.0);

Product iwatch = new Product("256", "iwatch", "watch", 4799.0);

try {

FileOutputStream fos = new FileOutputStream("D:\\File\\Product.txt");

ObjectOutputStream oos = new ObjectOutputStream(fos);

FileInputStream fis = new FileInputStream("D:\\File\\Product.txt");

ObjectInputStream ois = new ObjectInputStream(fis);

oos.writeObject(iphone);

oos.writeObject(ipad);

oos.writeObject(macbook);

oos.writeObject(iwatch);

oos.flush();

System.out.println("apple系列产品信息： ");

try {

Product product;

while ((product= (Product) ois.readObject())!=null) {

System.out.println(product);

}

} catch (ClassNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

fos.close();

oos.close();

fis.close();

ois.close();

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}