Welcome

首页 / 软件开发 / C++ / C++中如何深度搜索遍历文件夹

C++中如何深度搜索遍历文件夹2014-11-20深度优先搜索遍历文件夹所有文件, 由于使用windows的函数, 必须要使用C语言;

注意字符集的问题,使用"#undef UNICODE", 屏蔽因字符集所产生的问题;

使用vector<string>存储所有文件名, 因为要递归使用, 所以需要设置为静态,返回shared_ptr的指针

代码如下:

/************************************************* File: main.cpp Copyright: C.L.Wang Author: Caroline Date: 2013-11-27 Description: 深度优先递归遍历目录中所有的文件 Email: morndragon@126.com **************************************************/#undef UNICODE#include <iostream>#include <string>#include <vector>#include <memory>#include <cstring>#include <windows.h>std::shared_ptr<std::vector<std::string> >fileList(const std::string& folder_path){static std::shared_ptr<std::vector<std::string> > folder_files(new std::vector<std::string>); //返回指针, 需要迭代使用WIN32_FIND_DATA FindData;HANDLE hError;int file_count(0);std::string file_path(folder_path); //路径名std::string full_file_path; //全路径名 file_path.append("/*.*");hError = FindFirstFile(file_path.c_str(), &FindData);if (hError == INVALID_HANDLE_VALUE) {std::cout << "failed to search files." << std::endl;return nullptr;}while(FindNextFile(hError, &FindData)){//过虑".", "..", "-q"if(0 == strcmp(FindData.cFileName, ".") || 0 == strcmp(FindData.cFileName, "..") || 0 == strcmp(FindData.cFileName, "-q")){continue;}//完整路径full_file_path.append(folder_path);full_file_path.append("/");full_file_path.append(FindData.cFileName);++file_count;if (FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY){//std::cout << file_count << " " << full_file_path << "<Dir>" << std::endl;fileList(full_file_path);}else{folder_files->push_back(full_file_path);//std::cout << file_count << " " << full_file_path << std::endl;}full_file_path.clear(); //清空目录}return folder_files;}int main(void) {std::shared_ptr<std::vector<std::string> > folder_files;folder_files = fileList("E:/Picture/shoes3");if (folder_files) {for (size_t i=0; i != folder_files->size(); ++i) {std::cout << i+1 << " : " << (*folder_files)[i] << std::endl;}}return 0;}
作者:csdn博客 Spike_King