C++常用操作函数.doc

C+常用操作函数载入动态库bool LoadDll()HttpDownDll = LoadLibrary(HTTPDOWNDLL.dll);if(HttpDownDll = NULL)MessageBox(0, 载?入?动态?库a错洙?误！?, 错洙?误, MB_OK|MB_ICONWARNING);FreeLibrary(HttpDownDll);return false;SendCommand = (SendCommandFunc)GetProcAddress(HttpDownDll, SendCommand);if(SendCommand = NULL)MessageBox(0, GetProcAddress错洙?误！?, 错洙?误, MB_OK|MB_ICONWARNING);FreeLibrary(HttpDownDll);return false;return true;卸载动态库bool FreeDll()FreeLibrary(HttpDownDll);SendCommand = NULL;return true;字符串分割std:vector split(std:string str,std:string pattern) std:string:size_type pos; std:vector result; str+=pattern;/扩?展1字?符?串?以?方?便?操作痢? int size=str.size(); for(int i=0; isize; i+) pos=str.find(pattern,i); if(possize) std:string s=str.substr(i,pos-i);result.push_back(s); i=pos+pattern.size()-1; return result; UTF8转GBKvoid UTF8ToGBK(std:string &s)char szOut256; memset(szOut,0,256); strcpy(szOut,s.c_str();unsigned short* wszGbk = NULL;char* szGbk = NULL;/长度int len = MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)szOut, -1, NULL, 0);wszGbk = new unsigned shortlen+1;memset(wszGbk, 0, len * 2 + 2);MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)szOut, -1, (LPWSTR)wszGbk, len);/长度len = WideCharToMultiByte(CP_ACP, 0, (LPWSTR)wszGbk, -1, NULL, 0, NULL, NULL);szGbk = new charlen+1;memset(szGbk, 0, len + 1);WideCharToMultiByte(CP_ACP, 0, (LPWSTR)wszGbk, -1, szGbk, len, NULL, NULL);/ szOut = szGbk; /这样得到的szOut不正确，因为此句意义是将szGbk的首地址赋给szOut，/ 当delete szGbk执行后szGbk的内存空间将被释放，此时将得不到szOut的内容memset(szOut, 0, strlen(szGbk) + 1); /改将szGbk的内容赋给szOut ，这样即使szGbk被释放也能得到正确的值memcpy(szOut, szGbk, strlen(szGbk);s=szOut;delete szGbk;delete wszGbk;删除文件int DeleteFileFunc(string v_SourceFile)int l_Result = 0;/* _access(char *,int) 判断文件是否存在存在 返回0;不存在 返回-1._access(const char *path,int mode)mode的值:00 是否存在02 写权限04 读权限06 读写权限*/char l_SourceFile256 = 0;strcpy(l_SourceFile, v_SourceFile.c_str();if(!_access(l_SourceFile,0)/如果文件存在:文件为只读无法删除/去掉文件只读属性SetFileAttributes(l_SourceFile,0);if(DeleteFile(l_SourceFile)/删除成功l_Result = 0;else/无法删除:文件只读或无权限执行删除/coutsource 无法删除:文件为只读属性或无删除权限.endl;l_Result = 1;return l_Result;重命名文件int RenameFileFunc(string v_SourceFile, string v_NewFileName)int l_Result = 0;char l_SourceFile256 = 0;char l_NewFileName256 = 0;strcpy(l_SourceFile, v_SourceFile.c_str();strcpy(l_NewFileName, v_NewFileName.c_str();if(!_access(l_SourceFile, 0)/如果文件存在:if(!rename(l_SourceFile, l_NewFileName)/删除成功l_Result = 0;else/无法重命名:文件打开或无权限执行重命名/cout文件无法重命名(可能原因如下):endl;/coutt1. newname 已存在endl/ t2. newname 正在使用,未关闭.endl/ t3. 你没有权限重命名此文件.= 6 & ovs.dwMinorVersion = 0);/vista or later elsereturn FALSE;int lang = 0;/char l_Language10 = 0;char *l_Language = ReadXmlFile(System, Language, );if(stricmp(l_Language, en) = 0)lang = 1;if(lang = 1)if(bXPLaterOS)SetThreadUILanguage(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US);elseSetThreadLocale(MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT); else if(lang = 0)if(bXPLaterOS)SetThreadUILanguage(MAKELANGID(LANG_CHINESE,SUBLANG_CHINESE_SIMPLIFIED);elseSetThreadLocale(MAKELCID(MAKELANGID(LANG_CHINESE,SUBLANG_CHINESE_SIMPLIFIED),SORT_DEFAULT);elsereturn FALSE;return TRUE;读写xml文件char *ReadXmlFile(char *v_FatherNodeName, char *v_NodeName, char *v_Default)char l_ComName20 = 0;char l_TempStr20 = 0;char l_XmlPath256 = 0;char l_ExePath256 = 0;GetModuleFileName(NULL, l_ExePath, 256);int l_ExePathLen = strlen(l_ExePath);for(int i = l_ExePathLen - 1; i = 0; i-)if(l_ExePathi = )memcpy(l_XmlPath, l_ExePath, i);strcat(l_XmlPath, g_XmlFileName);CTinyXMLLib l_TinyXml;strcpy(l_TinyXml.m_XmlPath, l_XmlPath);int l_Result = l_TinyXml.LoadXml();if(l_Result = 0)l_TinyXml.ReadXmlNode(v_FatherNodeName, v_NodeName, v_Default, l_TempStr);elsestrcpy(l_TempStr, v_Default);return l_TempStr;char *ReadXmlFile(char *v_XmlFileName, char *v_FatherNodeName, char *v_NodeName, char *v_Default)char l_XmlPath256 = 0;char l_TempStr20 = 0;char l_ExePath256 = 0;GetModuleFileName(NULL, l_ExePath, 256);int l_ExePathLen = strlen(l_ExePath);for(int i = l_ExePathLen - 1; i = 0; i-)if(l_ExePathi = )memcpy(l_XmlPath, l_ExePath, i);strcat(l_XmlPath, );strcat(l_XmlPath, v_XmlFileName);CTinyXMLLib l_TinyXml;strcpy(l_TinyXml.m_XmlPath, l_XmlPath);int l_Result = l_TinyXml.LoadXml();if(l_Result = 0)l_TinyXml.ReadXmlNode(v_FatherNodeName, v_NodeName, v_Default, l_TempStr);elsestrcpy(l_TempStr, v_Default);return l_TempStr;int WriteXmlFile(char *v_XmlFileName, char *v_FatherNodeName, char *v_NodeName, char *v_Value)char l_ComName20 = 0;char l_XmlPath256 = 0;char l_ExePath256 = 0;GetModuleFileName(NULL, l_ExePath, 256);int l_ExePathLen = strlen(l_ExePath);for(int i = l_ExePathLen - 1; i = 0; i-)if(l_ExePathi = )memcpy(l_XmlPath, l_ExePath, i);strcat(l_XmlPath, );strcat(l_XmlPath, v_XmlFileName);CTinyXMLLib l_TinyXml;strcpy(l_TinyXml.m_XmlPath, l_XmlPath);l_TinyXml.LoadXml();l_TinyXml.WriteXmlNode(v_FatherNodeName, v_NodeName, v_Value);return 0;读ini文件int CCommServerDlg:ReadIniFile()char l_TempStr2048 = 0;char l_CurrentDir256 = 0;GetPrivateProfileString(Application, RemoteFileListURL, 70:9131/Download/FileList.txt, l_TempStr, 2048, g_config_name);GetPrivateProfileString(Application, RemoteDirURL, 70:9131/Download/, l_TempStr, 2048, g_config_name);GetCurrentDirectory(256, l_CurrentDir);strcat(l_CurrentDir, Download);CheckFolderExist(l_CurrentDir);GetPrivateProfileString(Application, LocalFileList, l_FileListPath, l_TempStr, 2048, g_config_name);GetPrivateProfileString(Application, LocalFileDir, l_LocalFileDir, l_TempStr, 2048, g_config_name);return 0;读文件void Read(char * v_Path, char *v_Buffer, const int v_BufferLen) HANDLE hFile = :CreateFile(v_Path, GENERIC_READ, 0, NULL, OPEN_EXISTING, NULL, NULL); if (hFile != INVALID_HANDLE_VALUE) /SetFilePointer(hFile, -1, NULL, FILE_END);SetFilePointer(hFile, 81920, NULL, FILE_BEGIN);char l_Buffer5 = 0; DWORD nNumberOfBytesRead; BOOL bRet = :ReadFile(hFile, l_Buffer, v_BufferLen, &nNumberOfBytesRead, NULL); memcpy(v_Buffer, l_Buffer, v_BufferLen); / TODO . CloseHandle(hFile); 写文件void Write(char * v_Path, char *v_Content, const int v_ContentSize) HANDLE hFile = :CreateFile(v_Path, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, NULL, NULL); if (hFile != INVALID_HANDLE_VALUE) /SetFilePointer(hFile, -1, NULL, FILE_END);SetFilePointer(hFile, 81920, NULL, FILE_BEGIN); DWORD nNumberOfBytesWritten; :WriteFile(hFile, v_Content, v_ContentSize, &nNumberOfBytesWritten, NULL); / TODO . CloseHandle(hFile); 查找进程BOOL FindProcess()int i=0;PROCESSENTRY32 pe32;pe32.dwSize = sizeof(pe32); HANDLE hProcessSnap = :CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);if(hProcessSnap = INVALID_HANDLE_VALUE)i+=0;BOOL bMore = :Process32First(hProcessSnap, &pe32);while(bMore)/printf( 进程名称：%s n, pe32.szExeFile);if(stricmp(RWPEPROC.exe,pe32.szExeFile)=0)/printf(进程运行中);i+=1;bMore = :Process32Next(hProcessSnap, &pe32);if(i1) /大于1，排除自身return true;elsereturn false;路径操作char l_ExePath256 = 0;char l_MainExePath256 = 0;/GetCurrentDirectory(256, l_ExePath);GetModuleFileName(NULL, l_ExePath, 256);int l_ExePathLen = strlen(l_ExePath);for(int i = l_ExePathLen - 1; i = 0; i-)if(l_ExePathi = )memcpy(l_MainExePath, l_ExePath, i);strcat(l_MainExePath, RWPEPROC.exe);BOOL APIENTRY DllMain( HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved )switch (ul_reason_for_call)case DLL_PROCESS_ATTACH:char *l_Buffer;l_Buffer = _getcwd(NULL, 0);_getcwd(DllPath, MAXPATH);HMODULE module = GetModuleHandle(0); char szBuffMAX_PATH = 0; GetModuleFileName(module, szBuff, sizeof(szBuff);int l_Pause = 0;case DLL_THREAD_ATTACH:case DLL_THREAD_DETACH:case DLL_PROCESS_DETACH:break;return TRUE;查找指定进程/判断指定进程是否存在int IsProcExist(char FileName50,bool IsDelete) char NameBuffMAX_PATH; char *pFileName; / pFileName转化为大写后的字符串指针 char *pNameBuff; / NameBuff转化为大写后的字符串指针 BOOL bRes; / 返回结果 HINSTANCE hInstance; / 动态库句柄 HANDLE hHandle; / 进程句柄 int i, j; / 循环变量 int len; funEnumPorcess EnumProcesses; funGetModuleFileNameEx GetModuleFileNameEx; DWORD *buffer, maxNum, factNum; maxNum = MAXPROCESS; factNum = MAXPROCESS; buffer = (DWORD *)malloc(maxNum); hInstance = LoadLibrary(psapi.dll); / 装载psapi.dll if (hInstance) EnumProcesses = (funEnumPorcess)GetProcAddress(hInstance, EnumProcesses); if (EnumProcesses) bRes = EnumProcesses(buffer, maxNum, &factNum); / 枚举进程，得到进程名称和实际进程总大小 if (bRes) factNum /= sizeof(DWORD); / 计算实际进程个数 GetModuleFileNameEx = (funGetModuleFileNameEx)GetProcAddress(hInstance, GetModuleFileNameExA); if (GetModuleFileNameEx) for (i=0; i= l_ProcNums)HANDLE hHandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, pe32.th32ProcessID); / 获取进程句柄TerminateProcess(hHandle,0);CloseHandle(hHandle);bMore = :Process32Next(hProcessSnap, &pe32);if(i=1) /大于1，排除自身return true;elsereturn false;写日志，删除日志/目录是否存在的检查,不存在建立：bool CheckFolderExist(char *v_StrPath) WIN32_FIND_DATA l_Wfd; bool l_Result = false; HANDLE hFind = FindFirstFile(v_StrPath, &l_Wfd); if (hFind != INVALID_HANDLE_VALUE) & (l_Wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) l_Result = true; elseif(CreateDirectory(v_StrPath, NULL)l_Result = false; FindClose(hFind); return l_Result;/遍历目录中所有的文件BOOL DirectoryList(char *v_Path)WIN32_FIND_DATA l_WFindData;HANDLE hFind;char l_FilePathName128=0;/ 构造路径char l_FullPathName128=0;bool l_SearchFinished=false;strcpy(l_FilePathName, v_Path);strcat(l_FilePathName, *.*);hFind = FindFirstFile(l_FilePathName, &l_WFindData);if (hFind = INVALID_HANDLE_VALUE)/printf(搜索失败!);return 0;while(:FindNextFile(hFind, &l_WFindData)sprintf(l_FullPathName, %s%s, v_Path, l_WFindData.cFileName);DeleteFile(l_FullPathName);FindClose(hFind);:RemoveDirectory(v_Path);return 0;int DeleteLogDir()int l_Result=0;time_t t=time(0);for(int i = 5; i = 13; i+)time_t l_DeleteDate = t - i*24*60*60;/三天前char l_DeleteDirName64 = 0;strftime(l_DeleteDirName, sizeof(l_DeleteDirName), %y%m%dServiceLogs, localtime(&l_DeleteDate);char l_DeleteDirPath256 = 0;strcpy(l_DeleteDirPath, logpath);strcat(l_DeleteDirPath, Logs);strcat(l_DeleteDirPath, l_DeleteDirName);DirectoryList(l_DeleteDirPath);return l_Result;bool LocalWriteLog(char * v_FileName , char * v_Module , const char * v_LogInfo)time_t t = time(0); char l_FileName64 = 0;char l_DirName256 = 0;strcpy(l_DirName, logpath);strcat(l_DirName, Logs);char l_Temp3;CheckFolderExist(l_DirName);char l_DirYMD32 = 0;strftime(l_DirYMD, sizeof(l_DirYMD), %y%m%dServiceLogs, localtime(&t);strcat(l_DirName, );strcat(l_DirName, l_DirYMD);CheckFolderExist(l_DirName);/strftime( l_FileName, sizeof(l_FileName), %Y-%m-%d-,localtime(&t);strcat(l_FileName , v_FileName);if(v_FileName != NULL | v_Module != NULL | v_LogInfo != NULL)fstream l_FileHandle;strcat(l_DirName, );strcat(l_DirName, l_FileName);l_FileHandle.open(l_DirName ,ios:app);if(!l_FileHandle)char l_Buffer50 = 0;memcpy(l_Buffer , l_FileName , strlen(l_FileName);memcpy(l_Buffer + strlen(l_FileName) , Open Log Error , 20);/MessageBox(NULL , l_Buffer , error , MB_OK);time_t t = time(0); char tmp64; strftime( tmp, sizeof(tmp), %d %X,localtime(&t);l_FileHandle TIME ：tmpMODULE | v_Module v_LogInfoendl;l_FileHandle.close();return true;return false;启动程序（以system权限启动显示界面）/for win7DWORD _stdcall LaunchAppIntoDifferentSession( LPTSTR lpCommand ) DWORD dwRet = 0; PROCESS_INFORMATION pi ; STARTUPINFO si ; DWORD dwSessionId ; HANDLE hUserToken = NULL; HANDLE hUserTokenDup = NULL; HANDLE hPToken = NULL; HANDLE hProcess = NULL; DWORD dwCreationFlags ; HMODULE hInstKernel32 = NULL; typedef DWORD (WINAPI * WTSGetActiveConsoleSessionIdPROC)(); WTSGetActiveConsoleSessionIdPROC WTSGetActiveConsoleSessionId = NULL; hInstKernel32 = LoadLibrary (Kernel32.dll ); if (!hInstKernel32 ) return FALSE ; OutputDebugString(LaunchAppIntoDifferentSession 1n ); WTSGetActiveConsoleSessionId = (WTSGetActiveConsoleSessionIdPROC )GetProcAddress( hInstKernel32,WTSGetActiveConsoleSessionId ); / Log the client on to the local computer. dwSessionId = WTSGetActiveConsoleSessionId (); do WTSQueryUserToken( dwSessionId ,&hUserToken ); dwCreationFlags = NORMAL_PRIORITY_CLASS | CREATE_NEW_CONSOLE; ZeroMemory( &si , sizeof( STARTUPINFO ) ); si.cb = sizeof( STARTUPINFO ); si.lpDesktop = winsta0default ; ZeroMemory( &pi , sizeof( pi) ); TOKEN_PRIVILEGES tp ; LUID luid ; if( !:OpenProcessToken ( GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY | TOKEN_DUPLICATE | TOKEN_ASSIGN_PRIMARY | TOKEN_ADJUST_SESSIONID | TOKEN_READ | TOKEN_WRITE , &hPToken ) ) dwRet = GetLastError (); break; else; if ( !LookupPrivilegeValue ( NULL, SE_DEBUG_NAME, &luid ) ) dwRet = GetLastError (); break; else; tp.PrivilegeCount =1; tp.Privileges 0.Luid = luid; tp.Privileges 0.Attributes = SE_PRIVILEGE_ENABLED;