2019獨角獸企業重金招聘Python工程師標準>>>

?#region?文件?或文件夾?去除只讀屬性

????????????string?path?=?@"C:\123.txt";

?

????????????DirectoryInfo?dirInfo?=?new?DirectoryInfo(path);

????????????dirInfo.Attributes?=?FileAttributes.Normal?|?FileAttributes.Directory;

?

????????????FileInfo?fileInfo?=?new?FileInfo(path);

????????????try

????????????{

????????????????if?(fileInfo.IsReadOnly)

????????????????{

????????????????????File.SetAttributes(path,?FileAttributes.Normal);

????????????????}

????????????????FileStream?fs?=?new?FileStream(path,?FileMode.Append,?FileAccess.Write);

????????????????StreamWriter?sw?=?new?StreamWriter(fs,?Encoding.UTF8);

????????????????sw.WriteLine("AAA");

????????????????sw.Close();

????????????????fs.Close();

????????????????//fileInfo.Delete();

????????????}

????????????catch?(System.Exception?ex)

????????????{

????????????????Console.WriteLine(ex.ToString());

????????????????Console.ReadKey();

????????????}

????????????finally

????????????{

?

????????????}

????????????Console.WriteLine("文件修改成功!");

????????????Console.ReadKey();

?

????????????#endregion

轉載于:https://my.oschina.net/guanxinsui/blog/956574

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