FileStream 和创建文件夹

发布于 2024-09-19 00:00:18 字数 218 浏览 2 评论 0原文

只是一个简单的问题。我正在使用类似的东西，

FileStream fs = new FileStream(fileName, FileMode.Create);

我想知道是否有一个参数可以传递给它以强制它创建文件夹（如果它不存在）。目前，如果找不到文件夹，则会引发异常。

如果有更好的方法，那么使用 FileStream 我愿意接受想法。

原文

Just a quick question. I'm using something like this

FileStream fs = new FileStream(fileName, FileMode.Create);

I was wondering whether there was a parameter I could pass to it to force it to create the folder if it doesn't exist. At the moment an exception is throw if folder isn't found.

If there is a better method then using FileStream I'm open to ideas.

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予囚 2024-09-26 00:00:18

使用 Directory.CreateDirectory：

Directory.CreateDirectory 方法（字符串）
创建路径指定的所有目录和子目录。

示例：

string fileName = @"C:\Users\SomeUser\My Documents\Foo\Bar\Baz\text1.txt";

Directory.CreateDirectory(Path.GetDirectoryName(fileName));

using (FileStream fs = new FileStream(fileName, FileMode.Create))
{
    // ...
}

(Path.GetDirectoryName 返回目录文件名的一部分。）

Use Directory.CreateDirectory:

Directory.CreateDirectory Method (String)
Creates all directories and subdirectories as specified by path.

Example:

string fileName = @"C:\Users\SomeUser\My Documents\Foo\Bar\Baz\text1.txt";

Directory.CreateDirectory(Path.GetDirectoryName(fileName));

using (FileStream fs = new FileStream(fileName, FileMode.Create))
{
    // ...
}

(Path.GetDirectoryName returns the directory part of the file name.)

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唠甜嗑 2024-09-26 00:00:18

像这样的东西：

void EnsureFolder(string path)
{
    string directoryName = Path.GetDirectoryName(path);
    // If path is a file name only, directory name will be an empty string
    if (directoryName.Length > 0)
    {
        // Create all directories on the path that don't already exist
        Directory.CreateDirectory(directoryName);
    }
}

Something like:

void EnsureFolder(string path)
{
    string directoryName = Path.GetDirectoryName(path);
    // If path is a file name only, directory name will be an empty string
    if (directoryName.Length > 0)
    {
        // Create all directories on the path that don't already exist
        Directory.CreateDirectory(directoryName);
    }
}

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~没有更多了~