创建多级目录

#include <iostream>
#include <stdlib.h>
#include <string>
#include <string.h>

using namespace std;


#pragma warning(disable: 4996)


#ifdef _WIN32
#include <direct.h>
#include <io.h>
#elif _LINUX
#include <stdarg.h>
#include <sys/stat.h>
#endif

#ifdef _WIN32
#define ACCESS _access
#define MKDIR(a) _mkdir((a))
#elif _LINUX
#define ACCESS access
#define MKDIR(a) mkdir((a),0755)
#endif



int CreatDir( char *pDir )
{
    int i = 0;
    int iRet;
    int iLen;
    char* pszDir;

    if ( NULL == pDir )
    {
        return 0;
    }

    int len = strlen( pDir );
    pszDir = new char[len+1];
    strcpy(pszDir,pDir);

    iLen = strlen( pszDir );

    // 创建中间目录
    for ( i = 0; i < iLen; i++ )
    {
        if ( pszDir[i] == '\' || pszDir[i] == '/' )
        {
            pszDir[i] = '';

            //如果不存在,创建
            iRet = ACCESS( pszDir, 0 ); //参数为0时表示检查文件的存在性，如果文件存在，返回0，不存在，返回-1。 
            if ( iRet != 0 )
            {
                iRet = MKDIR( pszDir );  //建立新目录
                if ( iRet != 0 )
                {
                    return -1;
                }
            }
            //支持linux,将所有换成/
            pszDir[i] = '/';
        }
    }

    iRet = MKDIR( pszDir );

    delete[] pszDir;
    pszDir = NULL;

    return iRet;
}



void main()
{
    
    char* pc = "E:/Save/Game/object/123/abc/1.txt";

    cout << "Original:  " << pc << endl;

    string name( pc );

    int iPonit = name.find( "Game" );

    name.insert(iPonit,"ResBak/");

    int i = name.find_last_of("/");

    name = name.substr(0,i);

    cout << "Name:      " << name << endl;

    const int len = name.length();

    pc = NULL;
    pc = new char[len + 1];

    strcpy( pc, name.c_str() );

    cout << "Pc:        " << pc << endl;


    int Result = CreatDir( pc );

    delete[] pc;
    pc = NULL;

    system( "pause" );
}