C++中::SHCreateDirectoryEx函数使用方法

#include <Windows.h>
#include <Shlobj.h>  // 包含头文件
#pragma comment(lib, "Shell32.lib")  // 链接 Shell32 库

int SHCreateDirectoryEx(
  _In_opt_ HWND                hwnd,         // 父窗口句柄（可设为 NULL）
  _In_     LPCTSTR             pszPath,      // 要创建的目录路径
  _In_opt_ const SECURITY_ATTRIBUTES *psa    // 安全属性（通常为 NULL）
);

#include <Windows.h>
#include <Shlobj.h>
#include <iostream>

int main() {
    LPCWSTR path = L"C:\\MyFolder";  // 宽字符路径（Unicode）

    int result = ::SHCreateDirectoryEx(
        NULL,        // 无父窗口
        path,        // 目录路径
        NULL         // 默认安全属性
    );

    if (result == ERROR_SUCCESS) {
        std::wcout << L"目录创建成功: " << path << std::endl;
    } else {
        std::wcerr << L"错误代码: " << result << std::endl;
    }

    return 0;
}

LPCWSTR path = L"C:\\Parent\\Child\\Grandchild";  // 自动创建中间缺失的目录
int result = ::SHCreateDirectoryEx(NULL, path, NULL);

LPCSTR pathA = "C:\\MyFolder";
WCHAR pathW[MAX_PATH];
MultiByteToWideChar(CP_ACP, 0, pathA, -1, pathW, MAX_PATH);
::SHCreateDirectoryEx(NULL, pathW, NULL);

LPCWSTR path1 = L"C:/MyFolder/Subdir";  // 正斜杠
LPCWSTR path2 = L"C:\\MyFolder\\Subdir"; // 双反斜杠

if (result != ERROR_SUCCESS) {
    DWORD error = ::GetLastError();
    LPWSTR errorMsg = nullptr;
    ::FormatMessage(
        FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
        NULL,
        error,
        0,
        (LPWSTR)&errorMsg,
        0,
        NULL
    );
    std::wcerr << L"错误: " << errorMsg << std::endl;
    ::LocalFree(errorMsg);
}

#include <filesystem>
namespace fs = std::filesystem;

bool createDirectory(const std::wstring& path) {
    try {
        return fs::create_directories(path);
    } catch (const fs::filesystem_error& e) {
        std::wcerr << L"错误: " << e.what() << std::endl;
        return false;
    }
}

#include <boost/filesystem.hpp>
namespace fs = boost::filesystem;

bool createDirectory(const std::string& path) {
    try {
        return fs::create_directories(path);
    } catch (const fs::filesystem_error& e) {
        std::cerr << "错误: " << e.what() << std::endl;
        return false;
    }
}