序列化：把java对象转换为字节序列的过程 反序列化：把字节序列恢复为java对象的过程
package com.offcn.maven.utils; import java.io.*; //ByteArrayOutputStream获取内存缓存中的数据，转换为字节数组 //ByteArrayInputStream读取字节数组 public class SerializableUtil { public static byte[] serializable(Object object) { if(object==null){ return null; } try { //1、字节数组输出流 ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); //2、对象输出流 ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream); //将对象写入到字节数组中 objectOutputStream.writeObject(object); //得到写入流中的对象 byte[] bytes = byteArrayOutputStream.toByteArray(); //返回字节数组 return bytes; }catch (Exception ex){ System.out.println(ex.getMessage()); } return null; } public static Object unSerializable(byte[] bytes) { if (bytes==null){ return null; } //1、字节数组输入流 ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bytes); try { //2、对象输入流 ObjectInputStream objectInputStream = new ObjectInputStream(byteArrayInputStream); //将字节转为对象 Object object = objectInputStream.readObject(); return object; } catch (Exception e) { e.printStackTrace(); } return null; } }