class1.cs

150个经典的入门学习程序源代码

using System;
using System.IO;

namespace Example075_对刚创建的数据文件进行读取和写入
{
	/// <summary>
	/// Class1 的摘要说明。
	/// </summary>
	class Class1 
	{
		private const string FILE_NAME = "Test.data";
		public static void Main(String[] args) 
		{
			// Create the new, empty data file.
			if (File.Exists(FILE_NAME)) 
			{
				Console.WriteLine("{0} already exists!", FILE_NAME);
				return;
			}
			FileStream fs = new FileStream(FILE_NAME, FileMode.CreateNew);
			// Create the writer for data.
			BinaryWriter w = new BinaryWriter(fs);
			// Write data to Test.data.
			for (int i = 0; i < 11; i++) 
			{
				w.Write( (int) i);
			}
			w.Close();
			fs.Close();
			// Create the reader for data.
			fs = new FileStream(FILE_NAME, FileMode.Open, FileAccess.Read);
			BinaryReader r = new BinaryReader(fs);
			// Read data from Test.data.
			for (int i = 0; i < 11; i++) 
			{
				Console.WriteLine(r.ReadInt32());
				w.Close();
			}
		}
	}
}