c# - 如何从不同目录中的不同文件获取路径？

Question

我需要获取目录中每个文件的路径

eg: c:/a/b/c/1.jar 和 c:/dir/bin/2.jar 必须保存为字符串

“c:/a/b/c/1.jar;c:/dir/bin/2.jar;...”

但是文件夹名称将来可能会更改，我不想手动编写

感谢帮助

编辑1： 我有几个文件夹的文件夹。每个文件夹中都是文件。我需要在一个字符串中获取所有文件目录。例如：“dir1; dir2; dir3; ...” 但我只能给出主文件夹“c:/bin”的目录

编辑 2：由 Sayse 解决

Answer 1

您可以使用Directory.EnumerateFiles

var allFiles = Directory.EnumerateFiles(sourceDirectory,
          "*.*", //also can use "*.jar" here for just jar files
            SearchOption.AllDirectories);

如果您希望所有文件都在一个长字符串中，那么您可以使用

var fileString = string.Join(",", allFiles);

如果它只有你想要的目录

var allDirs = Directory.EnumerateDirectories("...",
    "*",
     SearchOption.AllDirectories);
var dirString = string.Join(";", allDirs);

Answer 2

class Program
{

    static void Main(string[] args)
    {
        DirectoryInfo di = new DirectoryInfo("C:\\");
        FullDirList(di, "*");
        Console.WriteLine("Done");
        Console.Read();
    }
    static string myfolders = "";// Your string, which inclueds the folders like this: "c:/a/b/c; c:/dir/bin;..."
    static string myfiles = ""; // Your string, which inclueds the file like this: "c:/a/b/c/1.jar; c:/dir/bin/2.jar;..."
    static List<FileInfo> files = new List<FileInfo>();  // List that will hold the files and subfiles in path
    static List<DirectoryInfo> folders = new List<DirectoryInfo>(); // List that hold direcotries that cannot be accessed
    static void FullDirList(DirectoryInfo dir, string searchPattern)
    {

        // Console.WriteLine("Directory {0}", dir.FullName);
        // list the files
        try
        {
            foreach (FileInfo f in dir.GetFiles(searchPattern))
            {
                //Console.WriteLine("File {0}", f.FullName);
                files.Add(f);
                myfiles += f.FullName + ";";
            }
        }
        catch
        {
            Console.WriteLine("Directory {0}  \n could not be accessed!!!!", dir.FullName);
            return;  // We alredy got an error trying to access dir so dont try to access it again
        }

        // process each directory
        // If I have been able to see the files in the directory I should also be able 
        // to look at its directories so I dont think I should place this in a try catch block
        foreach (DirectoryInfo d in dir.GetDirectories())
        {
            myfolders += d.FullName + ";";
            folders.Add(d);
            FullDirList(d, searchPattern);
        }
    }
}

myfiles includes all files , like "C:\MyProgram1.exe;C:\MyFolder\MyProgram2.exe;C:\MyFolder2\MyProgram2.dll"

myfolder inclueds all folders, like "C:\MyFolder;C:\MyFolder2";