C#序列化与反序列化
2021/6/2 20:21:15
本文主要是介绍C#序列化与反序列化,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
序列化:将对象转为二进制
反序列化:将二级制转为对象
作用:传输数据
一个类如果想要被序列化,需要在该类上面加上[Serializable],例如下面的Person类:
[Serializable] class Person { string _name; int _age; public string Name { get => _name; set => _name = value; } public int Age { get => _age; set => _age = value; } }
序列化需要通过类BinaryFormatter来实现,例如声明对象后,将对象进行序列化,代码如下:
Person p = new Person(); p.Name = "小李"; p.Age = 12; using (FileStream fsWrite = new FileStream(@"C:\Users\One\Desktop\123.txt", FileMode.OpenOrCreate, FileAccess.Write)) { BinaryFormatter bf = new BinaryFormatter(); bf.Serialize(fsWrite, p); //将p对象序列化 }
通过文件流将对象p写入到文件123.txt中
反序列化
Person p2; using (FileStream fsRead = new FileStream(@"C:\Users\One\Desktop\123.txt", FileMode.Open, FileAccess.Read)) { BinaryFormatter bf = new BinaryFormatter(); p2 = (Person)bf.Deserialize(fsRead); //将p对象序列化 }
本例子全部代码
using System; using System.IO; using System.Runtime.Serialization.Formatters.Binary; namespace 序列化和反序列化 { class Program { static void Main(string[] args) { Person p = new Person(); p.Name = "小李"; p.Age = 12; using (FileStream fsWrite = new FileStream(@"C:\Users\One\Desktop\123.txt", FileMode.OpenOrCreate, FileAccess.Write)) { BinaryFormatter bf = new BinaryFormatter(); bf.Serialize(fsWrite, p); //将p对象序列化 } //反序列化 Person p2; using (FileStream fsRead = new FileStream(@"C:\Users\One\Desktop\123.txt", FileMode.Open, FileAccess.Read)) { BinaryFormatter bf = new BinaryFormatter(); p2 = (Person)bf.Deserialize(fsRead); //将p对象序列化 } Console.WriteLine("name = {0}", p2.Name); Console.WriteLine("age = {0}", p2.Age); Console.ReadKey(); } } [Serializable] class Person { string _name; int _age; public string Name { get => _name; set => _name = value; } public int Age { get => _age; set => _age = value; } } }
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