C#读取文本文件

1    // 读操作 2         public static void Read() 3         { 4             // 读取文件的源路径及其读取流 5             string strReadFilePath = @"../../data/ReadLog.txt"; 6             StreamReader srReadFile = new StreamReader(strReadFilePath); 7  8             // 读取流直至文件末尾结束 9             while (!srReadFile.EndOfStream)10             {11                 string strReadLine = srReadFile.ReadLine(); //读取每行数据12                 Console.WriteLine(strReadLine); //屏幕打印每行数据13             }14 15             // 关闭读取流文件16             srReadFile.Close();17             Console.ReadKey();18         }

C# 写文本文件

1    // 写操作 2         public static void Write() 3         { 4             // 统计写入（读取的行数） 5             int WriteRows = 0; 6  7             // 读取文件的源路径及其读取流 8             string strReadFilePath = @"../../data/ReadLog.txt"; 9             StreamReader srReadFile = new StreamReader(strReadFilePath);10 11             // 写入文件的源路径及其写入流12             string strWriteFilePath = @"../../data/WriteLog.txt";13             StreamWriter swWriteFile = File.CreateText(strWriteFilePath);14 15             // 读取流直至文件末尾结束，并逐行写入另一文件内16             while (!srReadFile.EndOfStream)17             {18                 string strReadLine = srReadFile.ReadLine(); //读取每行数据19                 ++WriteRows; //统计写入（读取）的数据行数20 21                 swWriteFile.WriteLine(strReadLine); //写入读取的每行数据22                 Console.WriteLine("正在写入... " + strReadLine);23             }24 25             // 关闭流文件26             srReadFile.Close();27             swWriteFile.Close();28 29             Console.WriteLine("共计写入记录总数：" + WriteRows);30             Console.ReadKey();31         }

完整源代码

1 using System; 2 using System.Collections.Generic; 3 using System.Text; 4  5 using System.IO;   //引用输入输出操作的命名空间 6  7 namespace ReadWriteFile 8 { 9     class Program10     {11 12         //主函数13         static void Main(string[] args)14         {15             Read();  //读操作16             Write(); //写操作17 18         }19 20         //读操作21         public static void Read()22         { 23             //读取文件的源路径及其读取流24             string strReadFilePath = @"../../data/ReadLog.txt";25             StreamReader srReadFile = new StreamReader(strReadFilePath);26 27             //读取流至文件末尾结束28             while(!srReadFile.EndOfStream)29             {30                 string strReadLine = srReadFile.ReadLine();   //读取每行数据31                 Console.WriteLine(strReadLine);  //屏幕打印每行数据32             }33 34             //关闭读取流文件35             srReadFile.Close();36             Console.ReadKey();37 38         }39 40         //写操作41         public static void Write()42         { 43             //统计写入（读取的行数）44             int WriteRows = 0;45 46             //读取文件的源路径及其读取流47             string strReadFilePath = @"../../data/ReadLog.txt";48             StreamReader srReadFile = new StreamReader(strReadFilePath);49 50             //写入文件的源路径及其写入流51             string strWriteFilePath = @"../../data/WriteLog.txt";52             StreamWriter swWriteFile = File.CreateText(strWriteFilePath);53 54             //读取流至文件末尾结束，并逐行写入另一文件内55             while(!srReadFile.EndOfStream)56             {57                 string strReadLine = srReadFile.ReadLine();   //读取每行数据58                 ++WriteRows;  //统计写入（读取）的数据行数59 60                 swWriteFile.WriteLine(strReadLine);   //写入读取的每行数据61                 Console.WriteLine("正在写入..."+strReadLine);62             }63 64             //关闭流文件65             srReadFile.Close();66             swWriteFile.Close();67 68             Console.WriteLine("共计写入记录总数："+WriteRows);69             Console.ReadKey();70         }71 72     }73 }

 

参考链接：https://blog.csdn.net/hongkaihua1987/article/details/80432436