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MFC程序(c++)之搜索所有文件和文件夹
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//MySearchDlg.h
// MySearchDlg.h : 头文件
//
#pragma once
// CMySearchDlg 对话框
class CMySearchDlg : public CDialogEx
{
// 构造
public:
CMySearchDlg(CWnd* pParent = NULL); // 标准构造函数
// 对话框数据
enum { IDD = IDD_MYSEARCH_DIALOG };
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
void OnOK();
// 实现
protected:
HICON m_hIcon;
// 生成的消息映射函数
virtual BOOL OnInitDialog();
afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
afx_msg void OnPaint();
afx_msg HCURSOR OnQueryDragIcon();
DECLARE_MESSAGE_MAP()
public:
afx_msg void OnSize(UINT nType, int cx, int cy);
afx_msg void OnDropFiles(HDROP hDropInfo);
afx_msg void OnDblclkListbox();
afx_msg void OnEnChangeEdit1();
afx_msg void OnBnClickedOk();
afx_msg void OnBnClickedCancel();
afx_msg void OnLbnSelchangeList1();
afx_msg void OnBnClickedOk2();
};
MySearchDlg.cpp
// MySearchDlg.cpp : 实现文件
//
#include "stdafx.h"
#include "MySearch.h"
#include "MySearchDlg.h"
#include "afxdialogex.h"
//#include <sys/stat.h>
//#include <direct.h>
//#include <iostream>
#include<fstream>
//#include <shlwapi.h>
//#pragma comment(lib,"Shlwapi.lib") //如果没有这行，会出现link错误
using namespace std;
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
int findCount = 0;
CListBox *list = NULL;
bool isContent = true;
char *wtoc(wchar_t *wText);
wchar_t *ctow(char *sText);
char *cstoc(CString cs);
//bool isDir(const char* path);
unsigned myFind(const string& filename, const string& tofind);
void findInDir(const char *path, const string& tofind);
//void findInDir(const char *path, const string& tofind, int recursive);
char *wtoc(wchar_t *wText)
{
DWORD dwNum = WideCharToMultiByte(CP_ACP, NULL, wText, -1,NULL, 0, NULL, FALSE);//把第五个参数设成NULL的到宽字符串的长度包括结尾符
char *psText = NULL;
psText = new char[dwNum];
if(!psText)
{
delete []psText;
psText = NULL;
}
WideCharToMultiByte (CP_ACP, NULL, wText, -1,psText, dwNum, NULL, FALSE);
return psText;
}
wchar_t *ctow(char *sText)
{
DWORD dwNum = MultiByteToWideChar (CP_ACP, 0, sText, -1, NULL, 0);//把第五个参数设成NULL的到宽字符串的长度包括结尾符
wchar_t *pwText = NULL;
pwText = new wchar_t[dwNum];
if(!pwText)
{
delete []pwText;
pwText = NULL;
}
unsigned nLen = MultiByteToWideChar (CP_ACP, 0, sText, -1, pwText, dwNum+10);
if (nLen >= 0)
{pwText[nLen] = 0;}
return pwText;
}
char *cstoc(CString cs)
{
wchar_t *t1 =cs.GetBuffer(cs.GetLength());
cs.ReleaseBuffer();
return wtoc(t1);
}
unsigned myFind(const string& filename, const string& tofind)
{
ifstream fin(filename.c_str(),ios_base::binary);
string str(1024*1024*2,0);
fin.read(&str[0],2*1024*1024);
fin.close();
string::size_type beg = 0;
string::size_type pos = -1;
string::size_type find_size = tofind.size();
if(0 == find_size)
{return 0;}
unsigned count = 0;
while((pos=str.find(tofind,beg))!=string::npos)
{
beg=pos+find_size;
count++;
}
return count;
}
//bool isDir(const char* path)
//{
// CString str_cap(path);
// return PathIsDirectory((const WCHAR *)(str_cap.AllocSysString()));
//}
//遍历文件夹的驱动函数
void findInDir(const char *path, const string& tofind)
{
CString strDir(path);
if(strDir == _T(""))
{
return;
}
else
{
if(strDir.Right(1) != _T("//"))
strDir += L"//";
strDir =strDir+_T("*.*");
}
CFileFind finder;
CString strPath;
BOOL bWorking = finder.FindFile(strDir);
while(bWorking)
{
bWorking = finder.FindNextFile();
strPath = finder.GetFilePath();
if(finder.IsDirectory() && !finder.IsDots())
findInDir(cstoc(strPath), tofind); //递归调用
else if(!finder.IsDirectory() && !finder.IsDots())
{
if(!isContent)
{
wchar_t *wc = ctow((char*)tofind.c_str());
int dote = strPath.ReverseFind('\\');
CString dst = strPath.Right(strPath.GetLength() - dote - 1);
if(dst.Find(wc, 0) != -1)
{
findCount++;
if(findCount > 1000)
return;
list->AddString(strPath);
}
}
else
{
std::string strTemp = cstoc(strPath);
int c = -1;
if((c = myFind(strTemp, tofind)) != 0)
{
findCount++;
if(findCount > 1000)
return;
CString str;
str.Format(L"找到%d个:%s", c, strPath);
list->AddString(str);
}
}
}
}
}
// 用于应用程序“关于”菜单项的 CAboutDlg 对话框
class CAboutDlg : public CDialogEx
{
public:
CAboutDlg();
// 对话框数据
enum { IDD = IDD_ABOUTBOX };
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
// 实现
protected:
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialogEx(CAboutDlg::IDD)
{
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()
// CMySearchDlg 对话框
CMySearchDlg::CMySearchDlg(CWnd* pParent /*=NULL*/)
: CDialogEx(CMySearchDlg::IDD, pParent)
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CMySearchDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CMySearchDlg, CDialogEx)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_EN_CHANGE(IDC_EDIT1, &CMySearchDlg::OnEnChangeEdit1)
ON_BN_CLICKED(IDOK, &CMySearchDlg::OnBnClickedOk)
ON_BN_CLICKED(IDCANCEL, &CMySearchDlg::OnBnClickedCancel)
ON_WM_DROPFILES()
ON_LBN_SELCHANGE(IDC_LIST1, &CMySearchDlg::OnLbnSelchangeList1)
ON_BN_CLICKED(IDOK2, &CMySearchDlg::OnBnClickedOk2)
ON_LBN_DBLCLK(IDC_LIST1, OnDblclkListbox)
ON_WM_SIZE()
END_MESSAGE_MAP()
// CMySearchDlg 消息处理程序
BOOL CMySearchDlg::OnInitDialog()
{
CDialogEx::OnInitDialog();
// 将“关于...”菜单项添加到系统菜单中。
// IDM_ABOUTBOX 必须在系统命令范围内。
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
BOOL bNameValid;
CString strAboutMenu;
bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
ASSERT(bNameValid);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动
// 执行此操作
SetIcon(m_hIcon, TRUE); // 设置大图标
SetIcon(m_hIcon, FALSE); // 设置小图标
// TODO: 在此添加额外的初始化代码
CButton *btn = (CButton *)GetDlgItem(IDOK);
btn->SetFocus();
list = (CListBox *)GetDlgItem(IDC_LIST1);
return TRUE; // 除非将焦点设置到控件，否则返回 TRUE
}
void CMySearchDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialogEx::OnSysCommand(nID, lParam);
}
}
void CMySearchDlg::OnDblclkListbox()
{
int index = list->GetCurSel();
if(index == -1)
{return;}
CString str;
list->GetText(index, str);
int tmp = str.Find(':');
CString strFilePath = str.Right(str.GetLength() - 1 - tmp);
// 打开“打开方式->选择程序...”对话框
int nRet = (int)ShellExecute( this->m_hWnd, _T("open"), strFilePath, NULL, NULL, SW_SHOWNORMAL );
if ( SE_ERR_NOASSOC == nRet ) // 没有相关的程序能够打开该文件
{
CString strCmd;
strCmd.Format( _T("shell32, OpenAs_RunDLL %s"), strFilePath );
ShellExecute( NULL, _T("open"), _T("rundll32.exe"), strCmd, NULL, SW_SHOWNORMAL );
}
CString strParam(_T("/select,"));
strParam += strFilePath;
tmp = strFilePath.ReverseFind('\\');
CString strDir = strFilePath.Left(tmp);
ShellExecute(0,_T("open"),_T("Explorer.exe"),strParam,0,SW_NORMAL);
ShellExecute( this->m_hWnd, _T("open"), strDir, NULL, NULL, SW_SHOWNORMAL );
}
// 如果向对话框添加最小化按钮，则需要下面的代码
// 来绘制该图标。对于使用文档/视图模型的 MFC 应用程序，
// 这将由框架自动完成。
void CMySearchDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // 用于绘制的设备上下文
SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
// 使图标在工作区矩形中居中
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// 绘制图标
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialogEx::OnPaint();
}
}
//当用户拖动最小化窗口时系统调用此函数取得光标
//显示。
HCURSOR CMySearchDlg::OnQueryDragIcon()
{
return static_cast<HCURSOR>(m_hIcon);
}
void CMySearchDlg::OnSize(UINT nType, int cx, int cy)
{
CWnd *pWnd = GetDlgItem(IDC_LIST1); //获取控件句柄
CRect rect; //获取控件变化前大小
pWnd->GetWindowRect(&rect);
ScreenToClient(&rect);
pWnd->MoveWindow(rect.left, rect.top, cx - 25, cy - 100);
}
void CMySearchDlg::OnDropFiles(HDROP hDropInfo)
{
// TODO: Add your message handler code here and/or call default
WCHAR szFileName[MAX_PATH + 1] = {0};//被拖拽的文件的绝对路径
UINT nFiles = DragQueryFile(hDropInfo, 0xFFFFFFFF, NULL, 0); //被拖拽的文件的个数
for(UINT i=0; i<nFiles; i++)
{
DragQueryFile(hDropInfo, i, szFileName, MAX_PATH);//拖拽的文件名
CEdit *edit = (CEdit *)GetDlgItem(IDC_EDIT1);
edit->SetWindowTextW(szFileName);
break;
}
// 结束此次拖拽操作，并释放分配的资源
CDialog::OnDropFiles(hDropInfo);
}
void CMySearchDlg::OnEnChangeEdit1()
{
// TODO: 如果该控件是 RICHEDIT 控件，它将不
// 发送此通知，除非重写 CDialogEx::OnInitDialog()
// 函数并调用 CRichEditCtrl().SetEventMask()，
// 同时将 ENM_CHANGE 标志“或”运算到掩码中。
// TODO: 在此添加控件通知处理程序代码
}
void CMySearchDlg::OnBnClickedOk()
{
isContent = true;
findCount = 0;
list->ResetContent();
this->SetWindowTextW(L"查找文件或文件夹");
// TODO: 在此添加控件通知处理程序代码
CEdit *edit = (CEdit *)GetDlgItem(IDC_EDIT1);
CString str1;
edit->GetWindowTextW(str1);
if(str1.IsEmpty())
{
MessageBox(L"请拖入要查找的文件或文件夹");
return;
}
CString str2;
edit = (CEdit *)GetDlgItem(IDC_EDIT2);
edit->GetWindowTextW(str2);
if(str2.IsEmpty())
{
MessageBox(L"请输入要查找的内容");
return;
}
findInDir(cstoc(str1), cstoc(str2));
if(findCount == 0)
{
CString str;
str.Format(L"没有找到%s", ctow(cstoc(str2)));
if(findCount == 0)
{this->SetWindowTextW(str);}
}
}
void CMySearchDlg::OnBnClickedCancel()
{
// TODO: 在此添加控件通知处理程序代码
CDialogEx::OnCancel();
}
void CMySearchDlg::OnLbnSelchangeList1()
{
// TODO: 在此添加控件通知处理程序代码
}
void CMySearchDlg::OnBnClickedOk2()
{
isContent = false;
findCount = 0;
list->ResetContent();
this->SetWindowTextW(L"查找文件或文件夹");
// TODO: 在此添加控件通知处理程序代码
CEdit *edit = (CEdit *)GetDlgItem(IDC_EDIT1);
CString str1;
edit->GetWindowTextW(str1);
if(str1.IsEmpty())
{
MessageBox(L"请拖入要查找的文件或文件夹");
return;
}
CString str2;
edit = (CEdit *)GetDlgItem(IDC_EDIT2);
edit->GetWindowTextW(str2);
if(str2.IsEmpty())
{
MessageBox(L"请输入要查找的文件");
return;
}
findInDir(cstoc(str1), cstoc(str2));
if(findCount == 0)
{
CString str;
str.Format(L"没有找到%s", ctow(cstoc(str2)));
if(findCount == 0)
{this->SetWindowTextW(str);}
}
}
void CMySearchDlg::OnOK()
{ //里面什么也不写
}MFC程序(c++)之搜索所有文件和文件夹
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