文件管理

//多字符集

#include "stdafx.h"
#include <Windows.h>
#include <iostream>

using namespace std;

BOOL MakeSureDirectoryPathExists(char* DirectoryFullPath);

int main()
{
    char* DirectoryFullPath = "E:\这个是我们自己创建的多层目录\DemoSucess\";//要在最后加上那个双斜杠，否则无法创建最后一层
    MakeSureDirectoryPathExists(DirectoryFullPath);
    return 0;
}

BOOL MakeSureDirectoryPathExists(char* DirectoryFullPath)
{
    char* Travel     = NULL;
    char* BufferData = NULL;
    DWORD DirectoryAttributes;
    
    BufferData = (char*)malloc(sizeof(char)*(strlen(DirectoryFullPath) + 1));

    if (BufferData == NULL)
    {
        return FALSE;
    }

    strcpy(BufferData, DirectoryFullPath);

    Travel = BufferData;


    if (*(Travel + 1) == ':')
    {
        Travel++;
        Travel++;
        if (*Travel && (*Travel == '\'))
        {
            Travel++;
        }
    }
    while (*Travel)           //D:Hello\WorldShit
    {
        if (*Travel == '\')
        {
            *Travel = '';
            DirectoryAttributes = GetFileAttributes(BufferData);   //查看是否是否目录  目录存在吗//这里注意单双字使用多字符集
            if (DirectoryAttributes == 0xffffffff)
            {
                if (!CreateDirectory(BufferData, NULL))
                {
                    if (GetLastError() != ERROR_ALREADY_EXISTS)
                    {
                        free(BufferData);
                        return FALSE;
                    }
                }
            }
            else
            {
                if ((DirectoryAttributes & FILE_ATTRIBUTE_DIRECTORY) != FILE_ATTRIBUTE_DIRECTORY)
                {
                    free(BufferData);
                    BufferData = NULL;
                    return FALSE;
                }
            }

            *Travel = '\';
        }

        Travel = CharNext(Travel);
    }
    
    cout << "创建多层目录成功！" << endl;
    return TRUE;
}