1. 程式人生 > >C++獲取一個目錄下的所有檔案

C++獲取一個目錄下的所有檔案

轉自:http://www.yuloo.com/news/1007/448756.html  

#include<iostream>

  #include<io.h>
  using namespace std;
  void main()
  {
  _finddata_t file;
  long lf;
  if((lf = _findfirst("C:\\WINDOWS\\*.*", &file))==-1l)//_findfirst返回的是long型; long __cdecl _findfirst(const char *, struct _finddata_t *)
  cout<<"檔案沒有找到!\n";
  else
  {
  cout<<"\n檔案列表:\n";
  while( _findnext( lf, &file ) == 0 )//int __cdecl _findnext(long, struct _finddata_t *);
//如果找到下個檔案的名字成功的話就返回0,否則返回-1
  {
  cout<<file.name;
  if(file.attrib == _A_NORMAL)cout<<" 普通檔案 ";
  else if(file.attrib == _A_RDONLY)cout<<" 只讀檔案 ";
  else if(file.attrib == _A_HIDDEN )cout<<" 隱藏檔案 ";
  else if(file.attrib == _A_SYSTEM )cout<<" 系統檔案 ";
  else if(file.attrib == _A_SUBDIR)cout<<" 子目錄 ";
  else cout<<" 存檔檔案 ";
  cout<<endl;
  }
  }
  _findclose(lf);
  }

轉自:http://blog.sina.com.cn/s/blog_686d0fb001012uuc.html
//之前看過一篇有關檔案屬性及目錄列表的操作。假如我們要對某一目錄下的所有檔案進行操作,那麼不得不遇到遍歷檔案的問題。
//下面給出遍歷D盤下的所有檔案的程式,同時輸出了每個檔案的屬性。遍歷其他檔案則類似。
 
//源程式清單:
#include<iostream>
#include<string.h>
#include<io.h>
FILE *fp;
using namespace std;
void traval(char name[]);//遍歷一個目錄
//int i=0;
void main()
{
 if((fp=fopen("data.txt","w"))==NULL)
 {
  cout<<"開啟寫檔案失敗!\n";
  return;
 }
 char name[250]="D:\\*.*";
 traval(name);
 fclose(fp);
}
void traval(char name[])//遍歷一個目錄
{
 char name1[250];
 //cout<<name;
 //fprintf(fp,"%s  ****%d",name,++i);
 _finddata_t file;
 long lf;
 if((lf=_findfirst(name,&file))==-1l)
 {
  cout<<"該目錄不存在!\n";
  fprintf(fp,"該目錄不存在!\n");
 }
 else
 {
  while(_findnext(lf,&file)==0)
  {
   if(file.name[2]==0)
    continue;
   cout<<file.name<<"\t";
   fprintf(fp,"%s\t",file.name);
   if(file.attrib==0)
   {
    cout<<"正常 ";
    fprintf(fp,"正常 ");
   }
   if((file.attrib%2)==1)
   {
    cout<<"只讀 ";
    fprintf(fp,"只讀 ");
   }
   if((file.attrib==2)||(file.attrib==3)||(file.attrib==6)||(file.attrib==7)||
    (file.attrib==18)||(file.attrib==19)||(file.attrib==22)||(file.attrib==23)||
    (file.attrib==34)||(file.attrib==35)||(file.attrib==38)||(file.attrib==39)||
    (file.attrib==50)||(file.attrib==51)||(file.attrib==54)||(file.attrib==55))
   {
    fprintf(fp,"%s\t",file.name);
    cout<<"隱藏 ";
    fprintf(fp,"隱藏 ");
   }
   if((file.attrib==4)||(file.attrib==5)||(file.attrib==6)||(file.attrib==7)||
    (file.attrib==20)||(file.attrib==21)||(file.attrib==22)||(file.attrib==23)||
    (file.attrib==36)||(file.attrib==37)||(file.attrib==38)||(file.attrib==39)||
    (file.attrib==52)||(file.attrib==53)||(file.attrib==54)||(file.attrib==55))
   {
    cout<<"系統 ";
    fprintf(fp,"系統 ");
   }
   if((file.attrib>=32&&file.attrib<=55))
   {
    cout<<"存檔 ";
    fprintf(fp,"存檔 ");
   }
   if((file.attrib>=16&&file.attrib<=23)||(file.attrib>=48&&file.attrib<=55))
   {
    cout<<"資料夾 ";
    cout<<endl;
    fprintf(fp,"資料夾\n");
    strcpy(name1,name);
    name[strlen(name)-3]='\0';//最後三個字元去掉
    name=strcat(name,file.name);//
    name=strcat(name,"\\*.*");
    cout<<endl<<name<<endl;
    //fprintf(fp,"\n%s\n",name1);
    traval(name);
    strcpy(name,name1);
   }
   else
   {
    cout<<endl;
    fprintf(fp,"\n");
   }
  }
 }
 _findclose(lf);
}