Qt 相当于 PathAppend?
PathAppend 是一个有用的 winapi 函数,可让您将一个路径附加到另一个路径,同时处理任何尾随反斜杠(或缺少反斜杠).
PathAppend is a useful winapi function that lets you append one path to another while taking care of any trailing backslashes (or lack of them).
表示将"/dir1"
附加到"dir2"
,或将"/dir1"
附加到"/dir2"
或 "/dir1/"
到 "/dir2"
将产生相同(正确)的结果 - "/dir1/dir2"
(虽然简单地连接会分别产生"/dir1dir2"
、"/dir1/dir2"
和"/dir1//dir2"
).
Meaning that appending "/dir1"
to "dir2"
, or "/dir1"
to "/dir2"
, or "/dir1/"
to "/dir2"
would produce the same (correct) result - "/dir1/dir2"
(while simply concatening would produce respectively "/dir1dir2"
, "/dir1/dir2"
, and "/dir1//dir2"
).
有没有类似的 Qt 函数?
Is there any Qt function that does a similar thing?
推荐答案
没有那个函数,但是 QDir::cleanPath()
会处理你需要的一切,你只需要连接路径:
There is not that function but QDir::cleanPath()
will handle everything you need, you just have to concatenate paths:
QString appendPath(const QString& path1, const QString& path2)
{
return QDir::cleanPath(path1 + QDir::separator() + path2);
}
我使用了 QDir::separator()
而不是原始的/",但这不是强制性的,因为 QT 在内部将该分隔符转换为原生分隔符(如果需要,请参阅 用Qt构建FS路径的跨平台方式).
I used QDir::separator()
instead of raw "/" but it's not mandatory because QT internally translate that separator to the native one (if needed, see Cross-platform way of constructing an FS path with Qt).
请注意(对于具有 .NET 背景的人)还有另一个类似的函数:Path.Combine()
,它的行为与 PathAppend()
但它是不同的.请参阅是否有 QPath::Combine()? 以了解其行为的 QT 仿真(以及稍微更详细地概述它们的差异).
Note that (for whom with a .NET background) there is another similar function: Path.Combine()
, it behaves somehow similar to PathAppend()
but it's different. See Is there a QPath::Combine()? for a QT emulation of its behavior (and for a slightly more detailed outlining of their differences).
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