【C#进阶八】C#中的序列化与反序列化下（二进制序列化、XML序列化及JSON序列化）
文章目录
-
- 二进制序列化与反序列化
-
- 序列化与反序列化代码示例
- 运行结果
上一篇介绍了XML序列化及JSON序列化，这一篇接着介绍二进制序列化。
【C#进阶七】C#中的序列化与反序列化上（二进制序列化、XML序列化及JSON序列化）
二进制序列化与反序列化
可以将序列化定义为一个将对象状态存储到存储介质的过程。 在这个过程中，对象的公共字段和私有字段以及类（包括含有该类的程序集）的名称，将转换成字节流，而字节流接着将写入数据流。 随后对该对象进行反序列化时，将创建原始对象的准确克隆。二进制序列化允许修改对象内部的私有成员，从而更改其状态。
序列化与反序列化代码示例
Main文件
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using objTtext;
namespace ConsoleApp1
{
internal class Class2
{
///
/// 将对象写入文件，然后再读取文件（序列化与反序列化）
///
static void Main()
{
//序列化
RecordDetail recordDetail = new RecordDetail();
recordDetail._opendatetime = DateTime.Now.ToString();
recordDetail._userOpenType = "密码";
recordDetail._userSettingType = "管理员";
userDetails userDetails = new userDetails();
var thTH = new System.Globalization.CultureInfo("th-TH");
DateTime dat = new DateTime(2099, 5, 28, thTH.DateTimeFormat.Calendar);
userDetails._aollowTime = dat.ToString();
recordDetail.userDetails = userDetails;
recordDetail._settingdatetime = DateTime.Now.ToString();
WarningRecordDetails warningRecordDetails = new WarningRecordDetails();
warningRecordDetails._warningStatus = "true";
warningRecordDetails._warningdatetime = DateTime.Now.ToString();
//反序列化
Console.WriteLine("将对象写入文件".PadLeft(50, '-'));
practice03.WriteData(recordDetail, warningRecordDetails, "record");
Console.WriteLine("从文件中读取对象的数据".PadLeft(50, '-'));
RecordGolable recordGolable = new ConsoleApp1.RecordGolable();
recordGolable = practice03.ReadDataToMemory("record");
int i = 0;
foreach (RecordDetail recorddetail in recordGolable._recordDetailList)
{
i++;
Console.WriteLine($"第{i}个");
Console.WriteLine( recorddetail._opendatetime);
Console.WriteLine( recorddetail._settingdatetime.ToString());
Console.WriteLine( recorddetail.userDetails._aollowTime);
Console.WriteLine( recorddetail._userOpenType);
Console.WriteLine( recorddetail._userSettingType);
}
}
}
}
类文件
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApp1
{
///
/// 用户操作记录类
///
[Serializable]
internal class RecordDetail
{
///
/// 用户开锁时间
///
public string _opendatetime { set; get; } = string.Empty;
///
/// 用户设置时间
///
public string _settingdatetime { get; set; } = string.Empty;
///
/// 用户信息类实例化
///
public userDetails userDetails = new userDetails();
///
/// 开锁的方式
///
public string _userOpenType { get; set; } = string.Empty;
///
/// 用户设置类型
///
public string _userSettingType { get; set; } = string.Empty;
///
/// 用户设置的细节
///
public string _userSettingDetails { get; set; } = string.Empty;
}
[Serializable]
internal class userDetails
{
///
/// 用户Id
///
public string _useId { get; set; } = string.Empty;
///
/// 用户姓名
///
public string _useName { get; set; } = string.Empty;
///
/// 用户职位
///
public string _userjob { get; set; } = string.Empty;
///
/// 用户权限级别
///
public int _uselevel { get; set; } = 0;
///
/// 用户授权时间
///
public string _aollowTime { get; set; } = string.Empty;
}
///
/// 报警操作记录类
///
[Serializable]
internal class WarningRecordDetails
{
///
/// 报警的时间
///
public string _warningdatetime { get; set; } = string.Empty;
///
/// 报警的类型
///
public string _warningType { get; set; } = string.Empty;
///
/// 报警的状态
///
public string _warningStatus { get; set; } = string.Empty;
}
///
/// 全局集合类
///
[Serializable]
internal class RecordGolable
{
///
/// 用户集合
///
public List _recordDetailList = new List();
///
/// 报警集合
///
public List _warningRecordList = new List();
///
/// 用户信息字段，全局变量，方便查询
///
public Dictionary> _dicRecordDetail = new Dictionary>();
///
/// 抱紧信息字典，全局变量，方便查询
///
public Dictionary> _dicWarningRecord = new Dictionary>();
}
}
序列化与反序列化方法
using ConsoleApp1;
using System.Runtime.Serialization.Formatters.Binary;
using System.Runtime.Serialization;
namespace objTtext
{
class practice03
{
///
/// 往文件中写数据
///
///
///
///
public static void WriteData(RecordDetail recordDetail, WarningRecordDetails warningRecord, string wrType = "")
{
try
{
//创建文件夹
byte[] pReadByte = new byte[3000];
string dataDir = @"G:\Desktop\archive1" + "\\Records";
if (!Directory.Exists(dataDir))// 目录不存在,新建目录
{
Directory.CreateDirectory(dataDir);
}
if (wrType == "record")
{
using (MemoryStream ms = new MemoryStream())
{
IFormatter bf = new BinaryFormatter();
bf.Serialize(ms, recordDetail);
pReadByte = ms.GetBuffer();
}
}
else if (wrType == "warning")
{
//byte[] pReadByte;
using (MemoryStream ms = new MemoryStream())
{
IFormatter bf = new BinaryFormatter();
bf.Serialize(ms, warningRecord);
pReadByte = ms.GetBuffer();
}
}
else
{
Console.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + " 记录信息保存有误!", "错误!");
return;
}
//将二进制写入文件
string str = string.Empty;
for (int i = 0; i < pReadByte.Length; i++)
{
str += pReadByte[i].ToString("X2");
}
String userfile =Path.Join(dataDir,"\\text.data");
FileStream fs = new FileStream(userfile, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite);
fs.Seek(0, System.IO.SeekOrigin.End); //跳到流尾追加
//文件节流点
StreamWriter sw = new StreamWriter(fs, System.Text.Encoding.UTF8);
sw.WriteLine(str);//二进制写入文件
sw.Close();
fs.Close();
}
catch (Exception ex)
{
Console.WriteLine("Exception" + ex.Message);
return;
}
}
///
/// 从文件中读取对象到内存
///
///
/// >();
recordGolable._dicRecordDetail.Add(recordDetail.userDetails._useId, recordGolable._recordDetailList);
return recordGolable;
}
catch (Exception ex)
{
Console.WriteLine( "Write RecordData Exception: " + ex.Message);
return recordGolable;
}
}
}
}
运行结果
部分截图
保存的二进制文件
参考资料：
https://docs.microsoft.com/zh-cn/dotnet/standard/serialization/
欢迎关注公众号【智能建造小硕】（分享计算机编程、人工智能、智能建造、日常学习和科研经验等，欢迎大家关注交流。）