Window&Linux遍历某一文件夹

#include <iostream>
#include <string>  
#include <vector>
//#define linux
//#define _WIN32
 
using namespace std;
vector<string> getFilesList(string dir);
 
int main()
{
    char dir[200];
    cout << "Enter a directory: ";
    cin.getline(dir, 200);
    vector<string>allFileList = getFilesList(dir);
    cout << "输出所有文件的路径：" << endl;
    for (size_t i = 0; i < allFileList.size(); i++)
    {
        string filePath = allFileList.at(i);
        cout << filePath << endl;
    }
    return 0;
}
 
#ifdef linux
#include <memory.h>
#include <dirent.h>
vector<string> getFilesList(string dirpath) {
    vector<string> allPath;
    DIR *dir = opendir(dirpath.c_str());
    if (dir == NULL)
    {
        cout << "opendir error" << endl;
        return allPath;
    }
    struct dirent *entry;
    while ((entry = readdir(dir)) != NULL)
    {
        if (entry->d_type == DT_DIR) {//It's dir
            if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
                continue;
            string dirNew = dirpath + "/" + entry->d_name;
            vector<string> tempPath = getFilesList(dirNew);
            allPath.insert(allPath.end(), tempPath.begin(), tempPath.end());
 
        }
        else {
            //cout << "name = " << entry->d_name << ", len = " << entry->d_reclen << ", entry->d_type = " << (int)entry->d_type << endl;
            string name = entry->d_name;
            string imgdir = dirpath + "/" + name;
            //sprintf("%s",imgdir.c_str());
            allPath.push_back(imgdir);
        }
 
    }
    closedir(dir);
    //system("pause");
    return allPath;
}
#endif
 
#ifdef _WIN32//__WINDOWS_
#include <io.h>  
vector<string> getFilesList(string dir)
{
    vector<string> allPath;
    // 在目录后面加上"\*.*"进行第一次搜索
    string dir2 = dir + "\*.*";
 
    intptr_t handle;
    _finddata_t findData;
 
    handle = _findfirst(dir2.c_str(), &findData);
    if (handle == -1) {// 检查是否成功
        cout << "can not found the file ... " << endl;
        return allPath;
    }
    while (_findnext(handle, &findData) == 0)
    {
        if (findData.attrib & _A_SUBDIR)//// 是否含有子目录
        {
            //若该子目录为"."或".."，则进行下一次循环，否则输出子目录名，并进入下一次搜索
            if (strcmp(findData.name, ".") == 0 || strcmp(findData.name, "..") == 0)
                continue;
            // 在目录后面加上"\"和搜索到的目录名进行下一次搜索
            string dirNew = dir + "\" + findData.name;
            vector<string> tempPath = getFilesList(dirNew);
            allPath.insert(allPath.end(), tempPath.begin(), tempPath.end());
        }
        else //不是子目录，即是文件，则输出文件名和文件的大小
        {
            string filePath = dir + "\" + findData.name;
            allPath.push_back(filePath);
        }
    }
    _findclose(handle);    // 关闭搜索句柄
    return allPath;
}
#endif

转载于：

https://blog.csdn.net/guyuealian/article/details/77981953