采用文件流方式来处理,StreamReader,StreamWriter:
StreamReader sr = new StreamReader("c:\\a.txt"); while(!sr.EndOfStream) //读到文件流结尾退出 { string temp = sr.ReadLine(); // 一行一行的读 } sr.Close(); StreamWriter sw = new StreamWriter("c:\\a.txt"); sw.WriteLine("your content"); // 没调用一次 写入一行 sw.Close();