C#文本文件的操作

FileStream fsInfo = new FileStream( "文件路径（在项目内的）", FileMode.Open, FileAccess.Read ); StreamReader srInfo = new StreamReader( fsInfo, System.Text. Encoding.GetEncoding( "GB2312" ) ); srInfo.BaseStream.Seek( 0, SeekOrigin.Begin ); txtValue.Value = " "; string strLine = srInfo.ReadInfo(); while( strLine != null ) { txtValue.Value += strLine + "/n"; strLine = srInfo.ReadLine(); } srInfo.Close(); 写入文本文件： //主程序 FileStream fsInfo = new FileStream( 文件路径（在项目内的）", FileMode.OpenOrCreate, FileAccess.Write ); StreamWriter swInfo = new StreamWriter( fsInfo ); swInfo.Flush(); swInfo.BaseStream.Seek( 0, SeekOrigin.Begin ); swInfo.Write( txtValue.Value ); swInfo.Flush(); swInfo.Close();