废话不多说先上程序：
#include <stdio.h>
#include <tchar.h>
#include<io.h>
#include<stdlib.h>
#include *本站禁止HTML标签噢* 
#include *本站禁止HTML标签噢*  
using namespace std;
int ayu = 0;
int change_path(string path, stringnew_path){
        int i = path.length();
        new_path = "\\" + new_path + "*.*";
        path.replace(i - 2, i, new_path);
        return 0;
}
 
int find_file( string a )
{
        string s1,s2;
        long Handle;
        s1.replace(NULL, NULL, a);
        struct _finddata_t FileInfo;
        cout << ayu << "\t" << endl;
        if ((Handle = _findfirst(a.c_str(), &FileInfo)) == -1L){
                  if (_A_SUBDIR & FileInfo.attrib){
                           if ((strcmp(FileInfo.name, ".") != 0) &&(strcmp(FileInfo.name, "..") != 0)){
                                              printf("%s\n", FileInfo.name);
                                              s2.replace(NULL, NULL, FileInfo.name);
                                            change_path(s1, s2);
                                              ayu = ayu + 1;
                                              find_file(s1);
                                    }
                  }
        }
        else{
                  printf("%s\n", FileInfo.name);
                  while (_findnext(Handle, &FileInfo) == 0){
                           if (_A_SUBDIR & FileInfo.attrib){
                                    if ((strcmp(FileInfo.name, ".") != 0) &&(strcmp(FileInfo.name, "..") != 0)){
                                              printf("%s\n", FileInfo.name);
                                              s2.replace(NULL, NULL, FileInfo.name);
                                              change_path(s1, s2);
                                              ayu = ayu + 1;
                                              find_file(s1);
                                    }
                           }
                           printf("%s\n", FileInfo.name);
                  }
                  _findclose(Handle);
        }
        ayu -= 1;
        system("pause");
        return 0;
}
int _tmain(int argc, _TCHAR* argv[])
{
        string s;
        cout << "please inupt path:";
        cin >> s;
        find_file(s);
        return 0;
}
主要思路就是通过对find_file()的递归调用来达到遍历目录的目的（ayu变量是在检错的时候加上去的）
但是实际运行的时候出来这样的错误
变量ayu显示程序在这两个文件上重复了上千次。
然而想了好久实在不知道是哪里错了orz