将QFile转换为FILE * [英] Convert QFile to FILE*

问题描述

有另一种方法来确定QFile到文件？不同于此：

Is there another way to convet QFile to File? Different than this:

QFile myFile("goforward.raw");
int FileDescriptor = myFile.handle();
FILE* fh = fdopen(FileDescriptor, "rb");

推荐答案

我想你已经知道， code>打开，读等方法。也就是说，如果文件没有打开，那么句柄方法返回一个错误。

I think you already know that you have the various open, read, etc. methods in QFile. That said, if the file is not opened, then the handle method returns an error.

QFile myFile("goforward.raw");
myFile.open(QIODevice::ReadOnly);
int fileHandle = myFile.handle();

之后，您可以重新打开它：

After that, you might reopen it with:

FILE* fh = fdopen(fileHandle, "rb");

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