如何在VB.NET中获取文件的大小？
因此，我的任务是编写一个命令行应用程序，告诉您给定目录的文件大小。我基本上将复制命令 dir /s
使用 VB.NET，我需要获取目录的大小，但在 DirectoryInfo 类中似乎没有这样的现成属性。如何获取目录的大小？
编辑：如果有一个内置命令或开关可以在命令行中输入以自动将操作结果输出到 .txt 文件，那么这将使这变得更加容易。
So I'm tasked with writing a command line app that tells you the file size of a given directory. I'm basically going to replicate what the command dir /s <dir> does, but output the result to a text file to make it available for parsing later on.
Using VB.NET, I'm at a place where I need to get the size of a directory, but it seems there's no such ready-made property in the DirectoryInfo class. How do I get the size of a directory?
EDIT: If there's a built-in command or switch that can be typed into command line to automatically output the results of an operation to a .txt file then that would make this infinitely easier.
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FileInfo 中没有 Length 属性你的版本？
（诚然，DirectoryInfo 没有这样的属性 - 您需要定义自己的递归函数，基于 DirectoryInfo 对象探索子目录和子文件夹，并返回它们的大小总和）
此外，对于大多数命令，您可以使用
>运算符将输出发送到文本文件，例如：FileInfo doesn't have a Length property in your version?
(Admittedly, DirectoryInfo doesn't have such a property - you'd need to define your own recursive function that explores the subdirectories and subfolders, based on a DirectoryInfo object, and returns the sum of their sizes)
Also, for most commands, you can send the output to a text file using the
>operator, e.g.:我只需使用下面的 CMD 命令
即可将文件名替换为您需要的任何名称和路径。这会将结果导出到测试文件。
I would just the CMD command below
Just replace the file name with whatever name and path you need. This will export the results to the test file.