MFC常用的字符串、文件、目录操作

因为经常写一些文件处理的MFC程序，反复写同样的程序很头疼，于是自己编写整理了一个类，可以直接使用。

分享给需要经常进行这些操作的朋友，代码非常简单，如果有疏漏之处，还请多多指教。

首先是头文件：

/* ******* StrDirFile.h ******************* 字符串、文件、目录操作函数声明 ********** *//* author: autumoon */#ifndef _STR_DIR_FILE_#define _STR_DIR_FILE_#ifdef _X86_#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='x86' publicKeyToken='6595b64144ccf1df' language='*'\"")#endif#include <afxdlgs.h>        //打开文件#include <ShlObj.h>         //浏览文件夹#include <list>class CStrDirFile{public:CString m_strInput;CStrDirFile();CStrDirFile(const char szPath[]);CStrDirFile(CString strPath);public:bool IsDir(); //bool IsDir(CString strPath);bool IsFile();bool IsFile(CString strPath);//字符串操作bool IfCstringIsNum(const CString& strString);                      //判断是否为纯数字,不包含小数点和正负号char* Cstring2Char(CString strCstring);                             //注意防止通过修改char*指向的内容损坏CString结构CString AppendSlash(CString& strDirPath);                           //必要的时候在路径右侧添加'\'CString GetDirOfDir();                                              //获取目录的上一级目录 例如D:\\dir\\ -> D:CString GetDirOfDir(CString strDirPath);                            //获取目录的上一级目录 例如D:\\dir\\ -> D:CString GetDirOfFile();                                             //获取文件的所在的目录 例如D:\\dir\\a.txt -> D:\\dir\\aCString GetDirOfFile(CString strFilePath);                          //获取文件的所在的目录 例如D:\\dir\\a.txt -> D:\\dir\\aCString GetNameOfDir(CString strDirPath);                           //获取某个路径的最里层的目录名  例如D:\\dir\\ -> dirCString GetNameOfFile(CString strFilePath, bool bWithSuffix = true); //获取文件全路径中的文件名 例如D:\\dir\\a.txt -> a.txtCString GetNameOfSuffix(CString strFilePath, bool bWithDot = true); //获取文件名的后缀CString Float2Cstring(const float fNum, const int nDigit = 6);CString Int2Cstring(const int nNum);CString ParseLineInCsv(CString strLine, const int nColumn);         //返回csv行的某一列的值int CstringToInt(const CString& strNum);//文件操作bool IfExistFile();bool IfExistFile(CString strFilePath);//后缀相关的字符串注意都使用小写CString OpenSuffixFile(CString strSuffix = ".txt");       //打开特定类型的文件,返回路径CString OpenSuffixFile(const int nSuffix, ...);                    //打开多种类型的文件,返回路径CString OpenFile();                                                //打开任意类型的文件,返回路径CString OpenTXT();                                                 //打开txt文件,返回路径CString SaveFileDlg(CString strSuffix = ".txt", CString strDefaultName = "autumoon");int ParseTXTFile(CStringArray* pArrContentInFile);int ParseTXTFile(std::list<CString>& lContentInFile);int ParseTXTFile(CString strFilePath, CStringArray* pArrContentInFile);int ParseTXTFile(CString strFilePath, std::list<CString>& lContentInFile);int SaveStrToFile(CString strTxtPath, CString strToSave = CString("hello!"));int SaveTXTFile(CString strTxtPath, CStringArray& arrContent, bool bAppend = false);//文件夹操作bool IfExistDir();bool IfExistDir(CString strDirPath);bool RemoveAllFiles(const CString& strDirPath);CString BrowseDir(CString strTips = CString("请选择文件夹"));                                 //浏览一个文件夹CString BrowseDirNew(CString strTips = CString("请选择文件夹"));                              //浏览一个文件夹，带新建按钮int ReadCurrentDirs(CStringArray* pArrDirsInFolder);                                          //读取当前目录下的目录，不包含子目录int ReadDirs(CString strPath, CStringArray* pArrDirsInFolder, bool bIncludeSub = true);       //读取目录下的目录int ReadDirs(CString strPath, std::list<CString>& lDirsInFolder, bool bIncludeSub = true);    //读取目录下的目录int ReadCurrentDirFiles(CStringArray* pArrFilesInFolder, char szSuffix[] = ".txt");           //读取当前目录下的文件，不包含子目录int ReadDirFiles(CString strPath, CStringArray* pArrFilesInFolder, char szSuffix[] = ".txt", bool bIncludeSub = true); //读取当前目录下的文件void ForeachSubDir(CString strPath,BOOL bSuccess);                                            //递归法遍历并删除当前目录下的所有文件及文件夹;//MFC其他常用操作int CStringArr2list(CStringArray& arrCstring, std::list<CString>& lCstring);int list2CstringArr(std::list<CString>& lCstring, CStringArray& arrCstring);int SetButtonFont(CButton* pButton, const int& nWidth = 20, const int& nHeight = 0);int SetStaticFont(CStatic* pButton, const int& nWidth = 20, const int& nHeight = 0);int SetEditFont(CEdit* pCEdit, const int& nWidth = 20, const int& nHeight = 0);int StopWatch(); //代码耗时测量代码};#endif //_STR_DIR_FILE_

然后是cpp文件：

/* ******* StrFileDir.cpp ******************* 字符串、文件、目录操作函数实现 ********** *//* author: autumoon */#include "StrDirFile.h"/* 构造函数 */CStrDirFile::CStrDirFile():m_strInput("D:\\autumoon"){}CStrDirFile::CStrDirFile(const char szPath[]){CString strPath(szPath);m_strInput = strPath;}CStrDirFile::CStrDirFile(CString strPath):m_strInput(strPath){}bool CStrDirFile::IsDir(){return IsDir(m_strInput);}bool CStrDirFile::IsDir(CString strPath){int nIndex = strPath.ReverseFind('\\');if (nIndex != -1){CString strDirName = strPath.Mid(nIndex + 1, strPath.GetLength() - nIndex - 1);int nIndexP = strDirName.ReverseFind('.');return nIndexP == -1;}return false;}bool CStrDirFile::IsFile(){return IsFile(m_strInput);}bool CStrDirFile::IsFile(CString strPath){int nIndex = strPath.ReverseFind('\\');if (nIndex != -1){CString strDirName = strPath.Mid(nIndex + 1, strPath.GetLength() - nIndex - 1);int nIndexP = strDirName.ReverseFind('.');return nIndexP != -1;}return false;}CString CStrDirFile::GetDirOfDir(CString strDirPath){if (strDirPath.Right(1) == '\\'){strDirPath = strDirPath.Mid(0, strDirPath.GetLength() - 1);}int index = strDirPath.ReverseFind('\\');if (index != -1){return strDirPath.Mid(0, index);}else{return strDirPath;}}CString CStrDirFile::GetDirOfFile(){return GetDirOfFile(m_strInput);}CString CStrDirFile::GetDirOfFile(CString strFilePath){if (IsDir(strFilePath)){return strFilePath;}int index = strFilePath.ReverseFind('\\');return strFilePath.Mid(0, index);}CString CStrDirFile::OpenFile(){CFileDialog dlg(TRUE, NULL, NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, _T("所有文件(*.*)|*.*||"));CString szFileName("");if (IsDir()){dlg.m_ofn.lpstrInitialDir = m_strInput;}else{dlg.m_ofn.lpstrInitialDir = GetDirOfFile();}if (dlg.DoModal() == IDOK){szFileName = dlg.GetPathName();}return szFileName;}CString CStrDirFile::OpenTXT(){CFileDialog dlg(TRUE, NULL, NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, _T("txt文件（*.txt)|*.txt|所有文件(*.*)|*.*||"));CString szFileName("");if (IsDir()){dlg.m_ofn.lpstrInitialDir = m_strInput;}else{dlg.m_ofn.lpstrInitialDir = GetDirOfFile();}if (dlg.DoModal() == IDOK){szFileName = dlg.GetPathName();}return szFileName;}CString CStrDirFile::OpenSuffixFile(CString strSuffix){if (strSuffix.Left(1) == '.'){//delete the '.' before suffixstrSuffix.Delete(0);}CFileDialog dlg(TRUE, NULL, NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, strSuffix + "文件（*." + strSuffix + ")|*." + strSuffix + "|所有文件(*.*)|*.*||");CString szFileName("");if (IsDir()){dlg.m_ofn.lpstrInitialDir = m_strInput;}else{dlg.m_ofn.lpstrInitialDir = GetDirOfFile();}if (dlg.DoModal() == IDOK){szFileName = dlg.GetPathName();}return szFileName;}CString CStrDirFile::OpenSuffixFile(const int nSuffix, ...){va_list argp;va_start(argp, nSuffix);CStringArray arrSuffixs;CString strSuffix;for (int i = 0; i < nSuffix; i++){strSuffix = va_arg(argp, char*);arrSuffixs.Add(strSuffix);}va_end(argp);//打开多种类型for (int i = 0; i < nSuffix; i++){if (arrSuffixs[i].Left(1) == '.'){//delete the '.' before suffixarrSuffixs[i] = arrSuffixs[i].Mid(1, arrSuffixs[i].GetLength() - 1);}}CString strTemp("");for (int i = 0; i < nSuffix; i++){strTemp += arrSuffixs[i] + "文件（*." + arrSuffixs[i] + ")|*." + arrSuffixs[i] + "|";}CFileDialog dlg(TRUE, NULL, NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, strTemp + "所有文件(*.*)|*.*||");CString szFileName("");if (IsDir()){dlg.m_ofn.lpstrInitialDir = m_strInput;}else{dlg.m_ofn.lpstrInitialDir = GetDirOfFile();}if (dlg.DoModal() == IDOK){szFileName = dlg.GetPathName();}return szFileName;}bool CStrDirFile::IfExistFile(){return IfExistFile(m_strInput);}bool CStrDirFile::IfExistFile(CString strFilePath){CFile file;if (file.Open(strFilePath,CFile::modeRead)){file.Close();return true;}return false;}int CStrDirFile::ParseTXTFile(CStringArray* pArrContentInFile){return ParseTXTFile(m_strInput, pArrContentInFile);}int CStrDirFile::ParseTXTFile(CString strFilePath, CStringArray* pArrContentInFile){CStdioFile file;file.Open(strFilePath, CFile::modeRead);if (!file.m_pStream){return -1;}CString szLine;while(file.ReadString(szLine)){pArrContentInFile->Add(szLine);}return 0;}int CStrDirFile::ParseTXTFile( CString strFilePath, std::list<CString>& lContentInFile ){CStdioFile file;file.Open(strFilePath, CFile::modeRead);if (!file.m_pStream){return -1;}CString szLine;while(file.ReadString(szLine)){lContentInFile.push_back(szLine);}return 0;}int CStrDirFile::ParseTXTFile( std::list<CString>& lContentInFile ){return ParseTXTFile(m_strInput, lContentInFile);}int CStrDirFile::SaveStrToFile(CString strFilePath, CString strToSave/* = CString("hello!")*/){CStdioFile file;file.Open(strFilePath, CFile::modeCreate|CFile::modeReadWrite|CFile::modeNoTruncate);file.SeekToEnd();file.WriteString(strToSave);file.Close();return 0;}int CStrDirFile::SaveTXTFile(CString strTxtPath, CStringArray& arrContent, bool bAppend){CStdioFile file;if (bAppend){file.Open(strTxtPath, CFile::modeCreate|CFile::modeReadWrite|CFile::modeNoTruncate);file.SeekToEnd();}else{file.Open(strTxtPath, CFile::modeCreate|CFile::modeReadWrite);}for (int i = 0; i < arrContent.GetCount(); i++){file.WriteString(arrContent[i]);}file.Close();return 0;}bool CStrDirFile::IfExistDir(){return IfExistDir(m_strInput);}bool CStrDirFile::IfExistDir(CString strDirPath){//本方法不能判断根目录if (strDirPath.Right(1) == "\\"){strDirPath.Delete(strDirPath.GetLength() -1, 1);}WIN32_FIND_DATA fd;bool ret = FALSE;HANDLE hFind = FindFirstFile(strDirPath, &fd);if ((hFind != INVALID_HANDLE_VALUE) && (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)){//目录存在ret = TRUE;}FindClose(hFind);return ret;}bool CStrDirFile::RemoveAllFiles( const CString& strDirPath ){//=========功能概要:删除给定路径下的所有文件========///** 功能:传入绝对路径,清空此文件夹内的所有内容(做为接口使用,故建议不在此函数内递归);*///==================================================//bool bSuccess = true;//作为in/out参数传入；ForeachSubDir(strDirPath, bSuccess);return bSuccess;}CString CStrDirFile::BrowseDir(CString strTips/* = CString("请选择文件夹")*/){CString szFileFolderPath;TCHAR pszPath[MAX_PATH];BROWSEINFO biFolder;biFolder.hwndOwner = NULL;biFolder.pidlRoot = NULL;biFolder.pszDisplayName = NULL;biFolder.lpszTitle = strTips;biFolder.ulFlags = BIF_RETURNONLYFSDIRS | BIF_STATUSTEXT;biFolder.lpfn = NULL;biFolder.lParam = 0;LPITEMIDLIST pidl = SHBrowseForFolder(&biFolder);if (!pidl){return "";}else{SHGetPathFromIDList(pidl, pszPath);m_strInput = pszPath;return pszPath;}}CString CStrDirFile::BrowseDirNew(CString strTips/* = CString("请选择文件夹")*/){CString szFileFolderPath;TCHAR pszPath[MAX_PATH];BROWSEINFO biFolder;biFolder.hwndOwner = NULL;biFolder.pidlRoot = NULL;biFolder.pszDisplayName = NULL;biFolder.lpszTitle = strTips;biFolder.ulFlags = BIF_RETURNONLYFSDIRS | BIF_STATUSTEXT | BIF_NEWDIALOGSTYLE;biFolder.lpfn = NULL;biFolder.lParam = 0;LPITEMIDLIST pidl = SHBrowseForFolder(&biFolder);if (!pidl){return "";}else{SHGetPathFromIDList(pidl, pszPath);m_strInput = pszPath;return pszPath;}}CString CStrDirFile::GetNameOfDir(CString strDirPath){if (IsFile(strDirPath)){strDirPath = GetDirOfFile(strDirPath);}int index = strDirPath.Trim('\\').ReverseFind('\\');return strDirPath.Mid(index + 1, strDirPath.GetLength() - index -1);}CString CStrDirFile::GetNameOfFile(CString strFilePath, bool bWithSuffix){int index = strFilePath.ReverseFind('\\');CString strFileName = strFilePath.Mid(index + 1, strFilePath.GetLength() - index - 1);if (bWithSuffix){return strFileName;}else{int nIndexOfDot = strFileName.ReverseFind('.');if (nIndexOfDot == -1){return strFileName;}else{return strFileName.Mid(0, nIndexOfDot);}}}CString CStrDirFile::GetNameOfSuffix( CString strFilePath, bool bWithDot /*= true*/ ){if (IsDir(strFilePath)){return _T("");}CString strFileName = GetNameOfFile(strFilePath);int index = strFileName.ReverseFind('.');if (index != -1){if (bWithDot){return strFileName.Mid(index, strFileName.GetLength() - index);}else{return strFileName.Mid(index + 1, strFileName.GetLength() - index - 1);}}else{return _T("");}}CString CStrDirFile::Float2Cstring(const float fNum, const int nDigit){CString strTemp;strTemp.Format(_T("%.") + Int2Cstring(nDigit) + _T("lf"), fNum);return strTemp;}CString CStrDirFile::Int2Cstring(const int nNum){CString strTemp;strTemp.Format(_T("%d"), nNum);return strTemp;}CString CStrDirFile::ParseLineInCsv(CString strLine, const int nColumn){CString strContent;AfxExtractSubString(strContent, strLine, nColumn, ',');return strContent;}CString CStrDirFile::AppendSlash(CString& strDirPath){if (strDirPath.Right(1) != _T('\\')){strDirPath += _T('\\');}return strDirPath;}int CStrDirFile::CstringToInt( const CString& strNum ){return _ttoi(strNum);//return _ttoi64(strNum);}bool CStrDirFile::IfCstringIsNum(const CString& strContent){int n = strContent.GetLength();for (int i = 0; i < n; i++){if ((strContent[i] > '9') || (strContent[i] < '0')){ return false; } }return true;}char* CStrDirFile::Cstring2Char(CString strCstring){#ifdef _UNICODEUSES_CONVERSION;return W2A(strCstring);#elsereturn (LPSTR)(LPCTSTR)strCstring;#endif}int CStrDirFile::ReadCurrentDirs(CStringArray* pArrDirsInFolder){if (IsFile()){return -1;}return ReadDirs(m_strInput, pArrDirsInFolder, false);}int CStrDirFile::ReadCurrentDirFiles(CStringArray* pArrFilesInFolder, char szSuffix[]/* = ".txt"*/){if (IsFile()){return -1;}return ReadDirFiles(m_strInput, pArrFilesInFolder, szSuffix, false);}int CStrDirFile::ReadDirs(CString strPath, CStringArray* pArrDirsInFolder, bool bIncludeSub/* = true*/){CFileFind ff; DWORD size = 0; CString szDir = strPath + _T("\\*.*"); //搜索路径，包括所有子目录 BOOL ret = ff.FindFile(szDir); while (ret) { ret = ff.FindNextFile(); if(!ff.IsDots()) { if(ff.IsDirectory() && !ff.IsHidden()) { //子目录结点，递归pArrDirsInFolder->Add(ff.GetFilePath());if (bIncludeSub){ReadDirs(ff.GetFilePath(), pArrDirsInFolder);}} } }return 0;}int CStrDirFile::ReadDirs(CString strPath, std::list<CString>& lDirsInFolder, bool bIncludeSub/* = true*/){CFileFind ff; DWORD size = 0; CString szDir = strPath + _T("\\*.*"); //搜索路径，包括所有子目录 BOOL ret = ff.FindFile(szDir); while (ret) { ret = ff.FindNextFile(); if(!ff.IsDots()) { if(ff.IsDirectory() && !ff.IsHidden()) { //子目录结点，递归lDirsInFolder.push_back(ff.GetFilePath());if (bIncludeSub){ReadDirs(ff.GetFilePath(), lDirsInFolder);}} } }return 0;}int CStrDirFile::ReadDirFiles(CString strPath, CStringArray* pArrFilesInFolder, char szSuffix[]/* = "txt"*/, bool bIncludeSub/* = true*/){CFileFind ff; DWORD size = 0; CString szDir = strPath + _T("\\*.*"); //搜索路径，包括所有子目录 BOOL ret = ff.FindFile(szDir); if (IfExistFile(strPath)){return -1;}while (ret) { ret = ff.FindNextFile(); if(!ff.IsDots()) { if(ff.IsDirectory() && bIncludeSub) { //子目录结点，递归ReadDirFiles(ff.GetFilePath(), pArrFilesInFolder, szSuffix, bIncludeSub);} else { if (ff.GetFileName().MakeLower().Find(CString(szSuffix)) != -1){pArrFilesInFolder->Add(ff.GetFilePath());}} } }return 0;}void CStrDirFile::ForeachSubDir( CString strPath, BOOL bSuccess ){if (strPath.Right(1)!="\\"){strPath += "\\";}strPath += "*.*";  //形如c:\windows\system32\*.*CFileFind fileFinder;BOOL bFile = fileFinder.FindFile(strPath);while(bFile){bFile = fileFinder.FindNextFile();if (fileFinder.IsDirectory() && !fileFinder.IsDots())  //当为文件夹时；{CString temp = strPath;int i = temp.Find("*.*");temp.Delete(i,3);temp = temp + fileFinder.GetFileName();  //获取文件夹的全路径,诸如:c:\windows\system32\driversif(fileFinder.GetLength()==0)//如果为空目录,则删除文件夹;{RemoveDirectory(temp.GetBuffer());}else{ForeachSubDir(temp,TRUE);}   }else if(!fileFinder.IsDirectory() && !fileFinder.IsDots()) //当为文件时;{CString strFullName = fileFinder.GetFilePath();//因为CFile::Remove可能会抛出CFile的异常,所以应该用try..catch来处理异常;try{CFile::Remove(strFullName.GetBuffer());}catch (CFileException* pEx){#ifdef _DEBUGafxDump << "File " << strFullName.GetBuffer() << " cannot be removed\n";#endifpEx->Delete();bSuccess = FALSE;//遇到异常，返回FALSE；return ;}}}//--end--whilefileFinder.Close();}int CStrDirFile::CStringArr2list( CStringArray& arrCstring, std::list<CString>& lCstring ){lCstring.clear();int nCount = arrCstring.GetCount();for (int i = 0; i <nCount; i++){lCstring.push_back(arrCstring[i]);}return 0;}int CStrDirFile::list2CstringArr( std::list<CString>& lCstring, CStringArray& arrCstring ){arrCstring.RemoveAll();for (std::list<CString>::iterator it = lCstring.begin(); it != lCstring.end(); it++){arrCstring.Add(*it);}return 0;}int CStrDirFile::SetButtonFont(CButton* pButton, const int& nWidth/* = 20*/, const int& nHeight/* = 0*/){CFont *f = new CFont;f->CreateFont(nWidth,  // nHeight //高度nHeight,  // nWidth0,  // nEscapement0,  // nOrientation0,  // nWeightFALSE, // bItalicFALSE, // bUnderline0,  // cStrikeOutANSI_CHARSET,   // nCharSetOUT_DEFAULT_PRECIS, // nOutPrecisionCLIP_DEFAULT_PRECIS, // nClipPrecisionDEFAULT_QUALITY,  // nQualityDEFAULT_PITCH | FF_SWISS, // nPitchAndFamily_T("微软雅黑"));    // lpszFac  字体名字pButton->SetFont(f);return 0;}int CStrDirFile::SetStaticFont(CStatic* pStatic, const int& nWidth/* = 20*/, const int& nHeight/* = 0*/){CFont *f = new CFont;f->CreateFont(nWidth,  // nHeight //高度nHeight,  // nWidth0,  // nEscapement0,  // nOrientation0,  // nWeightFALSE, // bItalicFALSE, // bUnderline0,  // cStrikeOutANSI_CHARSET,   // nCharSetOUT_DEFAULT_PRECIS, // nOutPrecisionCLIP_DEFAULT_PRECIS, // nClipPrecisionDEFAULT_QUALITY,  // nQualityDEFAULT_PITCH | FF_SWISS, // nPitchAndFamily_T("微软雅黑"));    // lpszFac  字体名字pStatic->SetFont(f);return 0;}int CStrDirFile::SetEditFont(CEdit* pCEdit, const int& nWidth, const int& nHeight){CFont *f = new CFont;f->CreateFont(nWidth,  // nHeight //高度nHeight,  // nWidth0,  // nEscapement0,  // nOrientation0,  // nWeightFALSE, // bItalicFALSE, // bUnderline0,  // cStrikeOutANSI_CHARSET,   // nCharSetOUT_DEFAULT_PRECIS, // nOutPrecisionCLIP_DEFAULT_PRECIS, // nClipPrecisionDEFAULT_QUALITY,  // nQualityDEFAULT_PITCH | FF_SWISS, // nPitchAndFamily_T("微软雅黑"));    // lpszFac  字体名字pCEdit->SetFont(f);return 0;}int CStrDirFile::StopWatch(){//测量时注意区分是Debug版本还是Release版本LARGE_INTEGER   litmp;   LONGLONG   QPart1,QPart2;   double   dfMinus,   dfFreq,   dfTim;   QueryPerformanceFrequency(&litmp); //获得计数器的时钟频率   dfFreq   =   (double)litmp.QuadPart;   QueryPerformanceCounter(&litmp);   //获得初始值   　　QPart1   =   litmp.QuadPart;   //----------------------------------------------// 插入待测试的代码或函数//----------------------------------------------QueryPerformanceCounter(&litmp);   //获得中止值   QPart2   =   litmp.QuadPart;  dfMinus = (double)(QPart2 - QPart1);//获得对应的时间值  dfTim   =   dfMinus   /   dfFreq;   CString strrr;strrr.Format("%f", dfTim*1000000);strrr += "微秒";AfxMessageBox(strrr);return 0;}CString CStrDirFile::SaveFileDlg( CString strSuffix /*= ".txt"*/, CString strDefaultName /*= "autumoon"*/ ){if (strSuffix.Left(1) == "."){strSuffix.Delete(0);}CFileDialog dlg(FALSE, strSuffix, strDefaultName, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, strSuffix + "文件（*." + strSuffix + ")|*." + strSuffix + "|所有文件(*.*)|*.*||");if (dlg.DoModal() == IDOK){return dlg.GetPathName();}return "";}