java-IO处理类的序列化与反序列化
package TestIo; import java.io.*; /** * 序列化 * * * 对象序列化 * * 一 创建对象 需要说明,想序列化的对象一定要是实现Serivalizable接口 * * 二 将对象转为序列化对象 * * 三 然后用这个对象写对象或者是读对角 * * 四 如果写的话,则要flush 或者是close * * */ public class Demo6 { public static void main(String[] args) { // TestSerializable testSerializable = new TestSerializable(); FanSerive fanSerive = new FanSerive(); } } /** * 序列化的类一定要实现Serializable */ class Person implements Serializable { // 添加序列化ID,它决定着是否能够成功反序列化! private static final long serialVersionUID = 1L; int age; boolean isMan; String name; public Person(int age, boolean isMan, String name) { super(); this.age = age; this.isMan = isMan; this.name = name; } @Override public String toString() { return "Person [age=" + age + ", isMan=" + isMan + ", name=" + name + "]"; } } /** * 执行序列化 */ class TestSerializable { public static void main(String[] args) throws IOException, ClassNotFoundException { FileOutputStream fos = null; FileInputStream fis = null; ObjectOutputStream oos = null; ObjectInputStream ois = null; // 通过ObjectOutputStream将Person对象的数据写入到文件中,即序列化。 Person person = new Person(18, true, "监控中心"); // 声明写出对象 fos = new FileOutputStream("d:/person.txt"); // 将文件对象序列化 oos = new ObjectOutputStream(fos); // 序列化的对象写内容 oos.writeObject(person); oos.flush(); oos.close(); } } /** * 反序列化 */ class FanSerive { public static void main(String[] args) throws IOException, ClassNotFoundException { System.out.println("执行读取文件对象的内容"); FileInputStream fileInputStream = new FileInputStream("d:/person.txt"); ObjectInputStream objectInputStream = new ObjectInputStream(fileInputStream); Person person = (Person) objectInputStream.readObject(); System.out.println(person); } }
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