C#对于文件的读写

时间:2021-08-05 13:06:26

C#文件的读写操作

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   /// <summary>
/// 写入txt文件
/// </summary>
/// <param name="txt">写入文本</param>
private void TxtCreate(string txt)
{
FileStream aFile = new FileStream(@"C:\Users\Administrator\Desktop\config.txt", FileMode.OpenOrCreate);//文件流--可以生成任何后缀格式的文件
StreamWriter sw = new StreamWriter(aFile);//写入流
sw.WriteLine(txt);
sw.Close();//关闭写入流
}

/// <summary>
/// 读取文件
/// </summary>
/// <returns>文本内容</returns>
private string TxtOpen()
{
FileStream aFile = new FileStream(System.Windows.Forms.Application.StartupPath+@"\config.ini", FileMode.Open);//文件流
StreamReader sr = new StreamReader(aFile);//读取流
string result = sr.ReadToEnd();//读取所有内容
sr.Close();//关闭
return result;
}