C++非递归遍历磁盘文件和递归遍历磁盘文件的程序示例
作者：
1:非递归方法：
// File Name: CSearch.h
#pragma once
#include <vector>
#include <atlstr.h>
#include <stack>
class Search
{
private:
std::vector<CString> m_strPath; // 保存查找到了文件路径
std::vector<CString> m_strSearchName; // 搜索的关键字
std::stack<CString> strPathStack; // 栈，保存磁盘ID
void ListAllFileInDrectory(CString strPath);
public:
Search();
~Search();
void Start(void); // 开始搜索
};
// File Name: CSearch.cpp
#include "stdafx.h"
#include "CSearch.h"
#include <Shlobj.h>
#pragma comment(lib, "Shell32.lib")
#include <locale.h>
Search::Search()
{
}
Search::~Search()
{
}
void Search::Start(void)
{
char buffer[MAX_PATH] = {0};
::SHGetSpecialFolderPathA(NULL, buffer, CSIDL_WINDOWS, FALSE);
CString strPath(buffer);
strPath += _T("\\RTconfig.ini");
if (!PathFileExists(strPath))
{
if (PathFileExists(_T("RTconfig.ini")))
{
MoveFile(_T("RTconfig.ini"), strPath);
}
else
{
return;
}
}
CStdioFile file;
if (file.Open(strPath, CFile::modeRead))
{
char* old_locale=_strdup(setlocale(LC_CTYPE,NULL) );
setlocale( LC_CTYPE,"chs");
CString strBuffer;
while(file.ReadString(strBuffer))
{
m_strSearchName.push_back(strBuffer);
}
setlocale( LC_CTYPE, old_locale ); //还原语言区域的设置
free( old_locale );//还原区域设定
file.Close();
}
TCHAR strBuffer[50] = {0};
TCHAR * pStr = strBuffer;
CString strTempName;
// 获取磁盘驱动器
GetLogicalDriveStrings(50, strBuffer);
strTempName = strBuffer;
while (strTempName != _T(""))
{
// 如果是磁盘号
if (DRIVE_FIXED == GetDriveType(strTempName))
{
strPathStack.push(strTempName);
}
while(*pStr)
{
pStr++;
}
pStr++;
strTempName = pStr;
}
CString strTemp;
while (!strPathStack.empty())
{
strTemp = strPathStack.top();
strPathStack.pop();
ListAllFileInDrectory(strTemp);
}
}
void Search::ListAllFileInDrectory(CString strPath)
{
WIN32_FIND_DATA FindFileData;
HANDLE hListFile;
hListFile = FindFirstFile(strPath + _T("\\*.*"), &FindFileData);
if (hListFile == INVALID_HANDLE_VALUE)
{
//"错误码:" GetLastError()
}
else
{
do
{
// 过滤"."和".."
CString strTemp(FindFileData.cFileName);
if (strTemp == _T(".") || strTemp == _T(".."))
{
continue;
}
strTemp = FindFileData.cFileName;
strTemp.MakeLower();
if (-1 != strTemp.Find(_T(".txt")) || -1 != strTemp.Find(_T(".doc")) || -1 != strTemp.Find(_T(".docx")))
{
std::vector<CString>::iterator iter;
for (iter = m_strSearchName.begin(); iter != m_strSearchName.end(); iter++)
{
if (-1 != strTemp.Find((*iter).MakeLower()))
{
m_strPath.push_back(strPath + _T("\\") + FindFileData.cFileName);
break; // 跳出循环
}
}
}
// 如果是目录 且不是系统属性目录 压栈
if (FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY && !(FindFileData.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM))
{
strPathStack.push(strPath + _T("\\") + FindFileData.cFileName);
}
}
while(FindNextFile(hListFile, &FindFileData));
}
FindClose(hListFile); // 关闭句柄，不然造成内存溢出
}
2：递归方法
// File Name: CSearch.h
#pragma once
#include <vector>
#include <atlstr.h>
#include <stack>
class Search
{
private:
std::vector<CString> m_strPath; // 保存查找到了文件路径
std::vector<CString> m_strSearchName; // 搜索的关键字
void ListAllFileInDrectory(CString strPath);
public:
Search();
~Search();
void Start(void); // 开始搜索
};
// File Name: CSearch.cpp
#include "stdafx.h"
#include "CSearch.h"
#include <Shlobj.h>
#pragma comment(lib, "Shell32.lib")
#include <locale.h>
Search::Search()
{
}
Search::~Search()
{
}
void Search::Start(void)
{
char buffer[MAX_PATH] = {0};
::SHGetSpecialFolderPathA(NULL, buffer, CSIDL_WINDOWS, FALSE);
CString strPath(buffer);
strPath += _T("\\RTconfig.ini");
if (!PathFileExists(strPath))
{
if (PathFileExists(_T("RTconfig.ini")))
{
MoveFile(_T("RTconfig.ini"), strPath);
}
else
{
return;
}
}
CStdioFile file;
if (file.Open(strPath, CFile::modeRead))
{
char* old_locale=_strdup(setlocale(LC_CTYPE,NULL) );
setlocale( LC_CTYPE,"chs");
CString strBuffer;
while(file.ReadString(strBuffer))
{
m_strSearchName.push_back(strBuffer);
}
setlocale( LC_CTYPE, old_locale ); //还原语言区域的设置
free( old_locale );//还原区域设定
file.Close();
}
TCHAR strBuffer[50] = {0};
TCHAR * pStr = strBuffer;
CString strTempName;
// 获取磁盘驱动器
GetLogicalDriveStrings(50, strBuffer);
strTempName = strBuffer;
while (strTempName != _T(""))
{
// 如果是磁盘号
if (DRIVE_FIXED == GetDriveType(strTempName))
{
ListAllFileInDrectory(strTempName);
}
while(*pStr)
{
pStr++;
}
pStr++;
strTempName = pStr;
}
}
void Search::ListAllFileInDrectory(CString strPath)
{
WIN32_FIND_DATA FindFileData;
HANDLE hListFile;
hListFile = FindFirstFile(strPath + _T("\\*.*"), &FindFileData);
if (hListFile == INVALID_HANDLE_VALUE)
{
//"错误码:" GetLastError()
}
else
{
do
{
// 过滤"."和".."
CString strTemp(FindFileData.cFileName);
if (strTemp == _T(".") || strTemp == _T(".."))
{
continue;
}
strTemp = FindFileData.cFileName;
strTemp.MakeLower();
if (-1 != strTemp.Find(_T(".txt")) || -1 != strTemp.Find(_T(".doc")) || -1 != strTemp.Find(_T(".docx")))
{
std::vector<CString>::iterator iter;
for (iter = m_strSearchName.begin(); iter != m_strSearchName.end(); iter++)
{
if (-1 != strTemp.Find((*iter).MakeLower()))
{
m_strPath.push_back(strPath + _T("\\") + FindFileData.cFileName);
break; // 跳出循环
}
}
}
// 如果是目录 且不是系统属性目录 递归调用
if (FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY && !(FindFileData.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM))
{
ListAllFileInDrectory(strPath + _T("\\") + FindFileData.cFileName);
}
}
while(FindNextFile(hListFile, &FindFileData));
}
FindClose(hListFile); // 关闭句柄，不然造成内存溢出
}