C#文件的读取与写入操作及其读取数据处理注释详尽，相对路径，直接运行，测试成功！

C#文件的读取与写入操作及其读取数据处理（注释详尽，相对路径，直接运行，测试成功！）

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using System.IO; // 文件操作的命名空间

namespace ReadWriteFileProcess
{
    class Program
    {
        // 主函数
        static void Main（string[] args）
        {
            // 读取和写入文件的目录
            string strReadFilePath=@“..\..\data\ReadLog.txt“;
            string strWriteFilePath = @“..\..\data\WriteLog.txt“;

            // 读取读文件，并打印在控制台下
            string strReadFile = GetReadFile（strReadFilePath）;
            Console.WriteLine（strReadFile）;

            // 判断读文件是否操作成功，并正确写入到了写文件
            bool WriteOk = IsWriteReadFile（strWriteFilePath strReadFile）;
            Console.WriteLine（WriteOk）;

            // 读取写文件，并打印在控制台下
            string strReadWriteFile = GetReadFile（strWriteFilePath）;
            Console.WriteLine（strReadWriteFile）;

            Console.ReadKey（）;
        }

        // 获取文件内容
        public static string GetReadFile（string strReadFilePath）
        {
            string strReadFile = string.Empty;
            StreamReader srReadFile=new StreamReader（strReadFilePath）;

            if （!srReadFile.EndOfStream）
                strReadFile=srReadFile.ReadLine（）;
            
            while （!srReadFile.EndOfStream）
            {
                string strReadLine = srReadFile.ReadLine（）;
                strReadFile += “\n“+strReadLine;
            }

            srReadFile.Close（）;

            return strReadFile;
        }

        // 写入文件内容
        public static bool IsWriteReadFile（string strWriteFilePath string strWriteFile）
        {
            StreamWriter swWriteFile = File.CreateText（strWriteFilePath）;

            string[] WriteLines = strWriteFile.Split（new char[]{ ‘\n‘ }）;
            if （WriteLines.Length <= 0）
                return false;

            int i = 0;
            string strLine = string.Empty;
            int iPos = 0;
            for （i = 0; i < WriteLines.Length - 1; i++）
            {
                strLine = WriteLines[i];
                iPos = strLine.IndexOf（“ - Socket: “）;
                strLine = （i + 1） + strLine.Substring（iPos）;
                swWriteFile.WriteLine（strLine）;
            }
            strLine = WriteLines[i];
            iPos = strLine.IndexOf（“ - Socket: “）;
            strLine = （i + 1） + strLine.Substring（iPos）;
            swWriteFile.Write（strLine）;

            swWriteFile.Close（）;

            return true;
        }
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       5632  2010-01-13 21:11  ReadWriteFileProcess\ReadWriteFileProcess\bin\Debug\ReadWriteFileProcess.exe

     文件      13824  2010-01-13 21:11  ReadWriteFileProcess\ReadWriteFileProcess\bin\Debug\ReadWriteFileProcess.pdb

     文件      14328  2010-01-13 21:11  ReadWriteFileProcess\ReadWriteFileProcess\bin\Debug\ReadWriteFileProcess.vshost.exe

     文件       1641  2010-01-13 20:38  ReadWriteFileProcess\ReadWriteFileProcess\data\ReadLog.txt

     文件       1579  2010-01-13 21:11  ReadWriteFileProcess\ReadWriteFileProcess\data\WriteLog.txt

     文件        466  2010-01-13 21:11  ReadWriteFileProcess\ReadWriteFileProcess\obj\Debug\ReadWriteFileProcess.csproj.FileListAbsolute.txt

     文件       5632  2010-01-13 21:11  ReadWriteFileProcess\ReadWriteFileProcess\obj\Debug\ReadWriteFileProcess.exe

     文件      13824  2010-01-13 21:11  ReadWriteFileProcess\ReadWriteFileProcess\obj\Debug\ReadWriteFileProcess.pdb

     文件        100  2010-01-13 20:20  ReadWriteFileProcess\ReadWriteFileProcess\obj\Release\ReadWriteFileProcess.csproj.FileListAbsolute.txt

     文件       2688  2010-01-13 21:14  ReadWriteFileProcess\ReadWriteFileProcess\Program.cs

     文件       1452  2010-01-13 19:44  ReadWriteFileProcess\ReadWriteFileProcess\Properties\AssemblyInfo.cs

     文件       2513  2010-01-13 19:44  ReadWriteFileProcess\ReadWriteFileProcess\ReadWriteFileProcess.csproj

     文件        950  2010-01-13 19:44  ReadWriteFileProcess\ReadWriteFileProcess.sln

    ..A..H.     14848  2010-01-13 21:22  ReadWriteFileProcess\ReadWriteFileProcess.suo

     目录          0  2010-01-13 19:44  ReadWriteFileProcess\ReadWriteFileProcess\obj\Debug\TempPE

     目录          0  2010-01-13 20:22  ReadWriteFileProcess\ReadWriteFileProcess\bin\Debug

     目录          0  2010-01-13 20:20  ReadWriteFileProcess\ReadWriteFileProcess\bin\Release

     目录          0  2010-01-13 21:11  ReadWriteFileProcess\ReadWriteFileProcess\obj\Debug

     目录          0  2010-01-13 20:20  ReadWriteFileProcess\ReadWriteFileProcess\obj\Release

     目录          0  2010-01-13 20:20  ReadWriteFileProcess\ReadWriteFileProcess\bin

     目录          0  2010-01-13 21:06  ReadWriteFileProcess\ReadWriteFileProcess\data

     目录          0  2010-01-13 20:20  ReadWriteFileProcess\ReadWriteFileProcess\obj

     目录          0  2010-01-13 19:44  ReadWriteFileProcess\ReadWriteFileProcess\Properties

     目录          0  2010-01-13 21:14  ReadWriteFileProcess\ReadWriteFileProcess

     目录          0  2010-01-13 19:44  ReadWriteFileProcess

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