C++创建文件夹和文件夹下相关操作
1、直接上干活！
/*****************************************************************//**
* \file FilesTools.h
* \brief
*
* \author YZS
* \date December 2024
*********************************************************************/
#pragma once
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include<iostream>
#include <string>
#include <map>
#include <io.h>
#include <vector>
#include <fstream>
#include <sstream>
#include <iomanip>
#include <algorithm>
#include <cstdint>
#include <iostream>
#include <fstream>
#include <stdexcept>
#include <cctype>
#include <cerrno> // errno
#include <cstring> // std::strerror
#include <cstdio> // std::rename
#if defined(_WIN32)
# include <direct.h>
# include <io.h>
# include <shlobj.h>
# include <sys/stat.h>
# include <sys/types.h>
#else // Linux, OSX, ...
# include <dirent.h>
# include <unistd.h>
# include <sys/stat.h>
# include <sys/types.h>
# include <pwd.h>
#endif
// getAllFiles 和 AutoGetFileName 相同
void getFiles(const std::string& path, std::vector<std::string>& files)
{
//文件句柄
long long hFile = 0;
//文件信息，_finddata_t需要io.h头文件
struct _finddata_t fileinfo;
std::string p;
int i = 0;
if ((hFile = _findfirst(p.assign(path).append("\\*").c_str(), &fileinfo)) != -1)
{
do
{
//如果是目录,迭代之
//如果不是,加入列表
if ((fileinfo.attrib & _A_SUBDIR))
{
if (strcmp(fileinfo.name, ".") != 0 && strcmp(fileinfo.name, "..") != 0)
getFiles(p.assign(path).append("\\").append(fileinfo.name), files);
}
else
{
files.push_back(p.assign(path).append("\\").append(fileinfo.name));
}
} while (_findnext(hFile, &fileinfo) == 0);
_findclose(hFile);
}
}
//读取某给定路径下所有文件夹与文件名称，并带完整路径
void getAllFiles(std::string path, std::vector<std::string>& files)
{
using namespace std;
//文件句柄
long long hFile = 0;
//文件信息
struct _finddata_t fileinfo;
string p;
if ((hFile = _findfirst(p.assign(path).append("\\*").c_str(), &fileinfo)) != -1)
{
do
{
if ((fileinfo.attrib & _A_SUBDIR))
{
//文件夹
if (strcmp(fileinfo.name, ".") != 0 && strcmp(fileinfo.name, "..") != 0)
{
files.push_back(p.assign(path).append("\\").append(fileinfo.name));
//getFilesall(p.assign(path).append("\\").append(fileinfo.name), files);
getAllFiles(p.assign(path).append("\\").append(fileinfo.name), files);
}
}
else
{
//文件名字
files.push_back(p.assign(path).append("\\").append(fileinfo.name));
}
} while (_findnext(hFile, &fileinfo) == 0);
_findclose(hFile);
}
}
void AutoGetFileName(std::string path, std::vector<std::string>& veflies, std::string filetype)
{
using namespace std;
long long hFile = 0;
struct _finddata_t fileinfo;
string p;
if ((hFile = _findfirst(p.assign(path).append("\\*" + filetype).c_str(), &fileinfo)) != -1)
{
do
{
veflies.push_back(p.assign(path).append("\\").append(fileinfo.name));
} while (_findnext(hFile, &fileinfo) == 0);
_findclose(hFile);
}
}
//同理，只读取某给定路径下所有文件夹名(以下类似，只给出函数，调用案例同上)：
void getJustCurrentDir(std::string path, std::vector<std::string>& files)
{
using namespace std;
//文件句柄
long long hFile = 0;
//文件信息
struct _finddata_t fileinfo;
string p;
if ((hFile = _findfirst(p.assign(path).append("\\*").c_str(), &fileinfo)) != -1)
{
do
{
if ((fileinfo.attrib & _A_SUBDIR))
{
if (strcmp(fileinfo.name, ".") != 0 && strcmp(fileinfo.name, "..") != 0)
{
//只是包含文件夹名字
//files.push_back(fileinfo.name);
//getJustCurrentDir(p.assign(path).append("\\").append(fileinfo.name), files);
//包含路径+文件夹名字
//files.push_back(p.assign(path).append("\\").append(fileinfo.name));
files.push_back(p.assign(path).append("\\").append(fileinfo.name));
//扫描所有的文件夹
getJustCurrentDir(p.assign(path).append("\\").append(fileinfo.name), files);
}
}
} while (_findnext(hFile, &fileinfo) == 0);
_findclose(hFile);
}
}
/// 只读取某给定路径下的当前文件名：
void getJustCurrentFile(std::string path, std::vector<std::string>& files)
{
using namespace std;
//文件句柄
long long hFile = 0;
//文件信息
struct _finddata_t fileinfo;
string p;
if ((hFile = _findfirst(p.assign(path).append("\\*").c_str(), &fileinfo)) != -1)
{
do
{
if ((fileinfo.attrib & _A_SUBDIR))
{
;
}
else
{
files.push_back(fileinfo.name);
//files.push_back(p.assign(path).append("\\").append(fileinfo.name) );
}
} while (_findnext(hFile, &fileinfo) == 0);
_findclose(hFile);
}
}
std::string left(std::string const& str, std::size_t chars);
/** Returns the rightmost 'chars' characters of 'str'. */
std::string right(std::string const& str, std::size_t chars);
/** Determines if the given path is a directory. */
bool exists(char const* pathname);
/** Determines if the given path is a directory. */
bool dir_exists(char const* pathname);
/** Determines if the given path is a file. */
bool file_exists(char const* pathname);
/** Creates a new directory. */
int mkdir(char const* pathname/*, mode_t mode*/);
inline std::string left(std::string const& str, std::size_t chars)
{
return str.substr(0, min(str.size(), chars));
}
inline std::string right(std::string const& str, std::size_t chars)
{
return str.substr(str.size() - min(str.size(), chars));
}
bool
exists(char const* pathname)
{
#ifdef _WIN32
struct _stat statbuf;
if (::_stat(pathname, &statbuf) < 0)
return false;
#else // _WIN32
struct stat statbuf;
if (::stat(pathname, &statbuf) < 0)
return false;
#endif // _WIN32
return true;
}
/* ---------------------------------------------------------------- */
bool
dir_exists(char const* pathname)
{
#ifdef _WIN32
struct _stat statbuf;
if (::_stat(pathname, &statbuf) < 0)
return false;
if (!(statbuf.st_mode & _S_IFDIR))
return false;
#else // _WIN32
struct stat statbuf;
if (::stat(pathname, &statbuf) < 0)
return false;
if (!S_ISDIR(statbuf.st_mode))
return false;
#endif // _WIN32
return true;
}
/* ---------------------------------------------------------------- */
bool
file_exists(char const* pathname)
{
#ifdef _WIN32
struct _stat statbuf;
if (::_stat(pathname, &statbuf) < 0)
return false;
if (!(statbuf.st_mode & _S_IFREG))
return false;
#else // _WIN32
struct stat statbuf;
if (::stat(pathname, &statbuf) < 0)
return false;
if (!S_ISREG(statbuf.st_mode))
return false;
#endif // _WIN32
return true;
}
int
mkdir(char const* pathname/*, mode_t mode*/)
{
#ifdef _WIN32
if (::_mkdir(pathname) < 0)
return 0;
#else // _WIN32
if (::mkdir(pathname, S_IRWXU | S_IRGRP | S_IXGRP) < 0)
return false;
#endif // _WIN32
return 1;
}
void CreateDir(const char* dir)
{
using namespace std;
int m = 0, n;
string str1, str2;
str1 = dir;
str2 = str1.substr(0, 2);
str1 = str1.substr(3, str1.size());
while (m >= 0)
{
m = str1.find('\\');
str2 += '\\' + str1.substr(0, m);
//判断该目录是否存在
n = _access(str2.c_str(), 0);
if (n == -1)
{
//创建目录文件
_mkdir(str2.c_str());
}
str1 = str1.substr(m + 1, str1.size());
}
}
原文地址：https://blog.csdn.net/qq_36812406/article/details/144742955
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