C#基础 Directory GetFiles 应用正则找到特殊扩展名的文件

.NET Framework : 4.7.2       IDE : Visual Studio Community 2019        OS : Windows 10 x64    typesetting : Markdown        blog : blog.csdn.net/yushaopu       github : github.com/GratefulHeartCoder

 

dir

 

code

using System; using System.IO; namespace ConsoleApp { class Program { static void Main(string[] args) { string dirPath = @"D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools"; string[] path = Directory.GetFiles(dirPath); foreach (var item in path) { Console.WriteLine(item); } Console.WriteLine("---"); path = Directory.GetFiles(dirPath, "*.dll"); foreach (var item in path) { Console.WriteLine(item); } Console.ReadKey(); } } }

 

result

D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-convert-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-filesystem-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-heap-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-locale-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-math-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-multibyte-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-runtime-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-stdio-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-string-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-time-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-utility-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\errlook.exe D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\errlook.hlp D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\guidgen.exe D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\LaunchDevCmd.bat D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\makehm.exe D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140chs.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140cht.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140deu.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140enu.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140esn.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140fra.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140ita.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140jpn.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140kor.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140rus.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140u.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\ucrtbase.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\vcconvertengine.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\VCProjectConversion.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\vcruntime140.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\VsDevCmd.bat D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\VsMSBuildCmd.bat --- D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-convert-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-filesystem-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-heap-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-locale-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-math-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-multibyte-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-runtime-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-stdio-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-string-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-time-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\api-ms-win-crt-utility-l1-1-0.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140chs.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140cht.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140deu.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140enu.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140esn.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140fra.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140ita.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140jpn.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140kor.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140rus.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\mfc140u.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\ucrtbase.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\vcconvertengine.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\VCProjectConversion.dll D:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\vcruntime140.dll

 

resource

[文档] docs.microsoft.com/zh-cn/dotnet/csharp[规范] github.com/dotnet/docs/tree/master/docs/standard/design-guidelines[源码] referencesource.microsoft.com [平台] www.csdn.net[ IDE ] visualstudio.microsoft.com/zh-hans[.NET Core] dotnet.github.io

 

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感恩曾经帮助过 心少朴 的人。 C#优秀，值得学习。.NET Core具有跨平台的能力，值得关注。 Console，WinForm，WPF，ASP.NET，Azure WebJob，WCF，Unity3d，UWP可以适当地了解。 注：此文是自学笔记所生，质量中下等，故要三思而后行。新手到此，不可照搬，应先研究其理象数，待能变通之时，自然跳出深坑。