C++将文件夹文件分类

// ForTransferFlies.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include "stdio.h"
#include "stdlib.h"
#include <string>
#include <string.h>
#include <sys/stat.h>
#include <sstream>
#include <iostream>
#include <fstream>
#include <cstdio>
#include <fstream>
#include<list>
#include <string>
#include <sstream>
#include <vector>
#include<io.h>
#include<stdlib.h> 
using namespace std;
void getAllFiles(string path, vector<string>& files);
typedef std::vector<std::string>  StringList;
StringList splitstr(const std::string& str, char tag);
string&   replace_all(string&   str, const  string&  old_value, const  string&  new_value)
 {
	     while (true)
		   {
		        string::size_type   pos(0);
		         if ((pos = str.find(old_value)) != string::npos)
			         {
			       str.replace(pos, old_value.length(), new_value);
			  }
		         else { break; }
		     }
	     return   str; }
int main()
{
	string DATA_DIR = "D:/NewForWwy/workspaceForMine/DATASET/VOCofMine";
	vector<string> files;
	//测试
	char * DistAll = (char *)"AllFiles.txt";
	getAllFiles(DATA_DIR, files);//所有文件与文件夹的路径都输出
								 //ofstream ofn(DistAll);  //输出文件流
	int size = files.size();
	int  FaiNum = 0;
	//ofn << size << endl;
	//cout << size << endl;
	for (int i = 0; i<size; i++)
	{
		/*vector<string> test;
		test = splitstr(files[i], '.');//把读取到的文件名路径进行切割
		if (test[1]=="jpg") {
			cout << files[i] << endl;
		}*/
	    string 	str = files[i].substr(files[i].length()-4, files[i].length());
		if (str == ".jpg") {
			cout << files[i] << endl;
			//string src = string("D:\\NewForWwy\\workspaceForMine\\DATASET\\VOCofMine\\JPEGImages\\") + "NotVehicle_2" + ".jpg";
			string dst = string("D:\\NewForWwy\\workspaceForMine\\DATASET\\VOCofMine\\test");
			replace_all(files[i], "/", "\\");
			string name = "move " + files[i] + " " + dst;
			const char *des_name = name.c_str();
			cout << des_name << endl;
			system(des_name);
		}
		

	}
	

	/*string src = string("D:\\NewForWwy\\workspaceForMine\\DATASET\\VOCofMine\\JPEGImages\\") + "NotVehicle_2" + ".jpg";
	string dst = string("D:\\NewForWwy\\workspaceForMine\\DATASET\\VOCofMine\\test") ;
	string name = "move " + src + " " + dst;
	const char *des_name = name.c_str();
	cout << des_name << endl;
	system(des_name); //调用系统命令
	cout << "Save !" << endl;*/

    return 0;
}
/*
分割字符串
*/
StringList splitstr(const std::string& str, char tag)
{
	StringList  li;
	std::string subStr;

	//遍历字符串，同时将i位置的字符放入到子串中，当遇到tag（需要切割的字符时）完成一次切割
	//遍历结束之后即可得到切割后的字符串数组
	for (size_t i = 0; i < str.length(); i++)
	{
		if (tag == str[i]) //完成一次切割
		{
			if (!subStr.empty())
			{
				li.push_back(subStr);
				subStr.clear();
			}
		}
		else //将i位置的字符放入子串
		{
			subStr.push_back(str[i]);
		}
	}

	if (!subStr.empty()) //剩余的子串作为最后的子字符串
	{
		li.push_back(subStr);
	}

	return li;
}
/*
读取文件名
*/
void getAllFiles(string path, vector<string>& files)
{
	//文件句柄  
	intptr_t hFile = 0;
	//文件信息  
	struct _finddata_t fileinfo;  //很少用的文件信息读取结构
	string p;  //string类很有意思的一个赋值函数:assign()，有很多重载版本
	if ((hFile = _findfirst(p.assign(path).append("\\*").c_str(), &fileinfo)) != -1)
	{
		do
		{
			if ((fileinfo.attrib &  _A_SUBDIR))  //判断是否为文件夹
			{
				if (strcmp(fileinfo.name, ".") != 0 && strcmp(fileinfo.name, "..") != 0)
				{
					files.push_back(p.assign(path).append("/").append(fileinfo.name));//保存文件夹名字
					getAllFiles(p.assign(path).append("/").append(fileinfo.name), files);//递归当前文件夹
				}
			}
			else    //文件处理
			{
				files.push_back(p.assign(path).append("/").append(fileinfo.name));//文件名
			}
		} while (_findnext(hFile, &fileinfo) == 0);  //寻找下一个，成功返回0，否则-1
		_findclose(hFile);
	}
}