vc++ 实现dir一个目录中所有文件功能

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// FindFile.cpp : Defines the entry point for the console application.

//

 

#include "stdafx.h"

#include <io.h>

#include <string.h>

#include <iostream.h>

 

const int MAXLEN = 1024;                //定义最大目录长度

unsigned long FILECOUNT = 0;            //记录文件数量

 

void ListDir(const char* pchData,const char * pFileName,bool *pBool)

{

    _finddata_t   fdata;                //定义文件查找结构对象

    long   done;   

    char tempdir[MAXLEN]={0};           //定义一个临时字符数组，存储目录

    strcat(tempdir, pchData);               //连接字符串

    strcat(tempdir, "\\*.*");               //连接字符串

    done   =  _findfirst(tempdir, &fdata);   //开始查找文件

    if (done != -1)                     //是否查找成功

    {

        int ret = 0;

        while  (ret != -1)              //定义一个循环

        {

            if (fdata.attrib != _A_SUBDIR)  //判断文件属性

            {

                if (strcmp(fdata.name,"...") != 0 &&

                    strcmp(fdata.name,"..") != 0 &&

                    strcmp(fdata.name,".") != 0)    //过滤.

                {

                    char dir[MAXLEN]={0};       //定义字符数组

                    strcat(dir,pchData);            //连接字符串

                    strcat(dir,"\\");               //连接字符串

                    strcat(dir,fdata.name);     //连接字符串

                    cout << dir << endl;            //输出查找的文件

                    FILECOUNT++;            //累加文件

                    if (strcmp(fdata.name,pFileName) == 0)

                        break;

                }

            }

            ret = _findnext(done, &fdata);                  ////查找下一个文件

            if (fdata.attrib == _A_SUBDIR && ret != -1) //判断文件属性，如果是目录，则递归调用

            {

                if (strcmp(fdata.name,"...") != 0 &&

                    strcmp(fdata.name,"..") != 0 &&

                    strcmp(fdata.name,".") != 0)        //过滤.

                {

                    char pdir[MAXLEN]= {0};         //定义字符数组

                    strcat(pdir,pchData);               //连接字符串

                    strcat(pdir , "\\");                //连接字符串

                    strcat(pdir,fdata.name);            //连接字符串

                    ListDir(pdir,pFileName,pBool);                  //递归调用

                    if (*pBool)

                        break;

                }

            }

        }

    }

}

 

int main(int argc, char* argv[])

{

    while (true)                                    //设计一个循环

    {

        FILECOUNT = 0;

        char  szFileDir[128] = {0};                 //定义一个字符数组，存储目录

        char  szFileName[128] = {0};

        bool isFind = false;

        cin >> szFileDir;

        cin >> szFileName;

        if (strcmp(szFileDir, "e") == 0)                    //退出系统

        {

            break;

        }

        ListDir(szFileDir,szFileName,&isFind);                          //调用ListDir函数遍历目录

        cout << "共计" << FILECOUNT << "个文件" << endl; //统计文件数量

    }

    return 0;

}