C# BinaryWriter BinaryReader demo（c反应蛋白高说明什么）

static void BinaryWriterReaderDemo()

{

using (FileStream fs = new FileStream("fs.txt", FileMode.Create))

{

SaveData(fs);

}

using(FileStream fs=new FileStream("fs.txt",FileMode.Open))

{

using (BinaryReader br = new BinaryReader(fs))

{

int fsLength =(int) fs.Length;

byte[] data = new byte[fsLength];

br.Read(data, 0, fsLength);

string str = Encoding.UTF8.GetString(data);

System.Diagnostics.Debug.WriteLine(str);

}

}

}

static void SaveData(Stream sm)

{

var bw = new BinaryWriter(sm);

for(int i=0;i<10000;i++)

{

string msg = $"Time {DateTime.Now.ToString("yyyyMMddHHmmssffff")},Guid {Guid.NewGuid()}\n";

bw.Write(msg);

}

bw.Flush();

}

static void LoadData(Stream sm)

{

var br = new BinaryReader(sm);

int smLength = (int)sm.Length;

byte[] byteArr = new byte[smLength];

br.Read(byteArr, 0, smLength);

string str = Encoding.UTF8.GetString(byteArr);

Console.WriteLine(str);

}

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