简单文件读写

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using System;

using System.IO;

using System.Text;

namespace ReadTxt

{

/// <summary>

///简单的文件读写

/// </summary>

class Class1

{

/// <summary>

/// Entry Point

/// </summary>

[STAThread]

static void Main(string[] args)

{

string path = Directory.GetCurrentDirectory() + "//Result//";

string date = DateTime.Now.ToLongDateString();

path += date + ".txt";

SafeWrite( path, "liujuejue" );

Console.WriteLine( SafeRead( path ) );

Console.ReadLine();

}

public static string SafeRead( string path )

{

StreamReader tr = File.OpenText( path );

string temp = string.Empty;

string s = tr.ReadLine();

while( s != null )

{

temp += s;

s = tr.ReadLine();

}

tr.Close();

return temp;

}

public static void SafeWrite( string path, string content )

{

FileStream fs = null;

if( !File.Exists( path ) )

{

fs = File.Create( path );

}

else

{

fs = File.OpenWrite( path );

}

StreamWriter sw = new StreamWriter( fs );

sw.BaseStream.Position = fs.Length;

sw.WriteLine( content );

sw.Flush();

sw.Close();

fs.Close();

}