C/C++实现遍历文件夹最全方法总结

#include<filesystem>

directory_iterator

std::filesystem::directory_iterator

#include<iOStream>
#include<filesystem>
using namespace std;
int main() {

	for (auto& i : filesystem::directory_iterator("C:\\")) {
		cout << i.path().string()<< endl;
	}
}

filesystem::directory_iterator("C:\\")

i.path()

#include<iostream>
#include<io.h>
using namespace std;
int main() {
	_finddata64i32_t fileInfo;
	intptr_t hFile=_findfirst("C:\\*",&fileInfo);

	if (hFile == -1) {
		return -1;
	}

	do
	{
		cout << fileInfo.name << endl;

	} while (_findnext(hFile,&fileInfo)==0);
}

intptr_t hFile=_findfirst("C:\\*",&fileInfo);

struct _finddata64i32_t
{
    unsigned    attrib;
    __time64_t  time_create;    // -1 for FAT file systems
    __time64_t  time_access;    // -1 for FAT file systems
    __time64_t  time_write;
    _fsize_t    size;
    char        name[260];
};

_findnext(hFile,&fileInfo)==0

#include<iostream>
#include<windows.h>
using namespace std;
int main() {
	WIN32_FIND_DATAA fileInfo;
	HANDLE hFile=FindFirstFileA("C:\\*",&fileInfo);

	if (hFile == INVALID_HANDLE_VALUE) {
		return -1;
	}

	do
	{
		cout << fileInfo.cFileName << endl;

	} while (FindNextFileA(hFile,&fileInfo));
}

typedef struct _WIN32_FIND_DATAA {
    DWord dwFileAttributes;
    FILETIME ftCreationTime;
    FILETIME ftLastAccessTime;
    FILETIME ftLastWriteTime;
    DWORD nFileSizeHigh;
    DWORD nFileSizeLow;
    DWORD dwReserved0;
    DWORD dwReserved1;
    _Field_z_ CHAR   cFileName[ MAX_PATH ];
    _Field_z_ CHAR   cAlternateFileName[ 14 ];
#ifdef _Mac
    DWORD dwFileType;
    DWORD dwCreatorType;
    WORD  wFinderFlags;
#endif
} WIN32_FIND_DATAA, *PWIN32_FIND_DATAA, *LPWIN32_FIND_DATAA;