using System;

using System.IO;

namespace BinaryFileApplication

{

class Program

{

static void Main(string[] args)

{

BinaryWriter bw;

BinaryReader br;

int i = 25;

double d = 3.14159;

bool b = true;

string s = "I am happy";

#region

//嘗試實例化,創建二進制文件

try

{

bw = new BinaryWriter(new FileStream("mydata", FileMode.Create));

}

catch (IOException e)

{

Console.WriteLine(e.Message + "\n Cannot create file.");

return;

}

#endregion

try//嘗試寫入二進制文件

{

bw.Write(i);

bw.Write(d);

bw.Write(b);

bw.Write(s);//寫入四行，每次寫入一行

}

catch (IOException e)

{

Console.WriteLine(e.Message + "\nCannot write to file.");

return;

}

bw.Close();//執行完寫入程序后關閉該二進制文件

try//嘗試打開該二進制文件

{

br = new BinaryReader(new FileStream("mydata", FileMode.Open));

}

catch (IOException e)

{

Console.WriteLine(e.Message + "Cannot open file.");

return;

}

try//嘗試讀取該二進制文件

{

//按順序讀取數據，這里的讀取方式對應了之前的存儲方式，并且按順序操作

i = br.ReadInt32();

Console.WriteLine("Integer data: {0}", i);

d = br.ReadDouble();

Console.WriteLine("Double data: {0}", d);

b = br.ReadBoolean();

Console.WriteLine("Boolean data: {0}", b);

s = br.ReadString();

Console.WriteLine("String data: {0}", s);

}

catch (IOException e)

{

Console.WriteLine(e.Message + "\n Cannot read file.");

return;

}

br.Close();//讀取完后關閉該二進制文件

Console.ReadKey();

}

}

}

奇幻風之旅

奇幻風之旅

162***8796@qq.com7個月前 (08-31)

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