本文实例类似遍历一个文件夹然后获得该文件夹下的文件列表，可以随意切换文件目录，本来是用在我们小组写的简易ftp服务器上的一个给客户端显示的一个小插件，总之单拿出来应该没啥含量，调用了windows的一些API。
实例代码：
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#include<iostream>#include<stdlib.h>#include<windows.h>#include<fstream>#include<stdio.h>#include<vector>#include<string>#pragma comment (lib, "winmm.lib")using namespace std;void MainMenu(){ printf("请选择操作\n"); printf("1.显示当前文件夹的所有文件\n"); printf("2.返回上一级\n"); printf("3.进入文件夹\n"); printf("4.进入指定文件夹\n"); printf("5.退出\n");}void ShowFileList(string filename){ WIN32_FIND_DATAA p; vector<string> filelist; HANDLE h = FindFirstFileA(filename.c_str(), &p); filelist.push_back(p.cFileName); while (FindNextFileA(h, &p)) { filelist.push_back(p.cFileName); if (filelist.back() == "." || filelist.back() == "..") { filelist.pop_back(); } } for (int i = 0; i < filelist.size(); i++) { cout << filelist[i] << endl; }}void ShowLastFileList(string & filepath){ string filepath2 = filepath; string tmp = "../"; tmp += filepath2; filepath = tmp; ShowFileList(tmp);}void ShowSelectFileList(string filepath){ string yourchoose; cin >> yourchoose; yourchoose += '/'; string filepath2 = filepath; yourchoose += filepath2; ShowFileList(yourchoose);}void case4(string filepath){ string filename; cin >> filename; filename += '/'; filename += filepath; ShowFileList(filename);}int main(){ string filepath; filepath = "*.*"; string filePath = filepath; while (1) { system("CLS"); MainMenu(); int n; cin >> n; switch (n) { case 1: system("CLS"); ShowFileList(filePath); system("pause"); break; case 2: system("CLS"); ShowLastFileList(filePath); system("pause"); break; case 3: system("CLS"); ShowSelectFileList(filePath); system("pause"); break; case 4: system("CLS"); case4(filepath); system("pause"); break; case 5: exit(0); break; default: break; } } return 0;} |
以上就是C++遍历文件夹的相关操作，希望对大家的学习有所帮助。
