标签:zab yun 资源 transient except getname csharp vat ret
序列化流:ObjectOutputStream
反序列化流:ObjectInputStream
序列化的前提是要序列化的时候必须实现Serializable接口
静态不能序列化,因为静态不属于对象
package com.oracle.demo02;
import java.io.Serializable;
public class Person implements Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
//不想被序列化,所以加上transient关键字
private transient String name;
//不想被序列化,也可以加上静态修饰static
private static int age;
public Person(String name, int age) {
super();
this.name = name;
this.age = age;
}
public Person() {
super();
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
@Override
public String toString() {
return "Person [name=" + name + ", age=" + age + "]";
}
}
package com.oracle.demo02;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
public class Demo01 {
public static void main(String[] args) throws IOException, ClassNotFoundException {
write();
}
public static void write() throws IOException{
//明确目的地(将一个对象写到文件里面去 先写后读)
FileOutputStream fos=new FileOutputStream("D:\\java\\person.txt");
//创建对象
Person p=new Person("zhaoyun",666);
//创建序列化流
ObjectOutputStream oos=new ObjectOutputStream(fos);
//将person对象写入文件中
oos.writeObject(p);
//释放资源
oos.close();
}
}
package com.oracle.demo02;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
public class Demo01 {
public static void main(String[] args) throws IOException, ClassNotFoundException {
read();
}
//反序列化的方法
public static void read() throws ClassNotFoundException, IOException{
//明确数据源(将一个对象写到文件里面去 先读后写)
FileInputStream fis=new FileInputStream("D:\\java\\person.txt");
//创建反序列化流
ObjectInputStream ois=new ObjectInputStream(fis);
//将文件中的对象读到person对象中
Person p=(Person)ois.readObject();
System.out.println(p);
//释放资源
ois.close();
}
}
不想被序列化,也可以加上静态修饰static
不想被序列化,所以加上transient关键字
标签:zab yun 资源 transient except getname csharp vat ret
原文地址:https://www.cnblogs.com/awdsjk/p/11058340.html