C常用操作函数

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ˉ态库a错洙误ó！", "错洙误ó",MB_OK|MB_ICONWARNING);FreeLibrary(HttpDownDll);return false;}SendCommand = (SendCommandFunc)GetProcAddress(HttpDownDll, "SendCommand");if(SendCommand == NULL){MessageBox(0, "GetProcAddress错洙误ó！", "错洙误ó",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<std::string> split(std::string str,std::string pattern){std::string::size_type pos;std::vector<std::string> result;str+=pattern;//扩展1字符串以方便操ù作痢int size=str.size();for(int i=0; i<size; i++){pos=str.find(pattern,i);if(pos<size){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 szOut[256];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 short[len+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 char[len+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_SourceFile[256] = {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{//cout<<source<<" 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_SourceFile[256] = {0};char l_NewFileName[256] = {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;//cout<<"\t"<<"1. "<<newname<<" 已存在"<<endl// <<"\t"<<"2. "<<newname<<" 正在使用,未关闭."<<endl// <<"\t"<<"3. "<<"你没有权限重命名此文件."<<endl;l_Result = 1;}}else//文件不存在{l_Result = 1;}return l_Result;}设置系统语言int SetLanguageThrd(){BOOL bXPLaterOS=FALSE;//是否为xp以后版本的osOSVERSIONINFO ovs;ovs.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);if (::GetVersionEx(&ovs)){bXPLaterOS = (ovs.dwPlatformId == VER_PLATFORM_WIN32_NT && ovs.dwMajorVersion >= 6&& ovs.dwMinorVersion >= 0);//vista or later }else{return FALSE;}int lang = 0;//char l_Language[10] = {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_ENG LISH_US),SORT_DEFAULT));}else if(lang == 0){if(bXPLaterOS)SetThreadUILanguage(MAKELANGID(LANG_CHINESE,SUBLANG_CHINESE_ SIMPLIFIED));elseSetThreadLocale(MAKELCID(MAKELANGID(LANG_CHINESE,SUBLANG_CHI NESE_SIMPLIFIED),SORT_DEFAULT));}else{return FALSE;}return TRUE;}读写xml文件char *ReadXmlFile(char *v_FatherNodeName, char *v_NodeName, char *v_Default){char l_ComName[20] = {0};char l_TempStr[20] = {0};char l_XmlPath[256] = {0};char l_ExePath[256] = {0};GetModuleFileName(NULL, l_ExePath, 256);int l_ExePathLen = strlen(l_ExePath);for(int i = l_ExePathLen - 1; i >= 0; i--){if(l_ExePath[i] == '\\'){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);}else{strcpy(l_TempStr, v_Default);}return l_TempStr;}char *ReadXmlFile(char *v_XmlFileName, char *v_FatherNodeName, char *v_NodeName, char *v_Default){char l_XmlPath[256] = {0};char l_TempStr[20] = {0};char l_ExePath[256] = {0};GetModuleFileName(NULL, l_ExePath, 256);int l_ExePathLen = strlen(l_ExePath);for(int i = l_ExePathLen - 1; i >= 0; i--){if(l_ExePath[i] == '\\'){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);}else{strcpy(l_TempStr, v_Default);}return l_TempStr;}int WriteXmlFile(char*v_XmlFileName, char*v_FatherNodeName, char *v_NodeName, char *v_Value){char l_ComName[20] = {0};char l_XmlPath[256] = {0};char l_ExePath[256] = {0};GetModuleFileName(NULL, l_ExePath, 256);int l_ExePathLen = strlen(l_ExePath);for(int i = l_ExePathLen - 1; i >= 0; i--){if(l_ExePath[i] == '\\'){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_TempStr[2048] = {0};char l_CurrentDir[256] = {0};l_TempStr, 2048, g_config_name);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_Buffer[5] = {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(i>1){ //大于1，排除自身return true;}else{return false;}}路径操作char l_ExePath[256] = {0};char l_MainExePath[256] = {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_ExePath[i] == '\\'){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 szBuff[MAX_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 FileName[50],bool IsDelete){char NameBuff[MAX_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.dllif (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<factNum; i++){hHandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, buffer[i]); // 获取进程句柄if (hHandle){bRes = GetModuleFileNameEx(hHandle,NULL, NameBuff, MAX_PATH); // 获取进程名称if (bRes){pFileName = strupr(FileName); // 字符串转化为大写pNameBuff = strupr(NameBuff);if (strstr(pNameBuff, pFileName) != NULL) // 名字查找{if(!IsDelete)return 1;else{TerminateProcess(hHandle,0);}}}// 关闭句柄CloseHandle(hHandle);}}}}}// 释放动态库FreeLibrary(hInstance);}free(buffer);return 0;}////判断进程是否存在BOOL FindProcess(char *FileName, bool v_IsKill){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){if(stricmp(FileName, pe32.szExeFile)==0){i+=1;int l_ProcNums = 0;if(v_IsKill) l_ProcNums = 1;else l_ProcNums = 2;if(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;}else{return 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;}else{if(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_FilePathName[128]={0};// 构造路径char l_FullPathName[128]={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_DeleteDirName[64] = {0};strftime(l_DeleteDirName, sizeof(l_DeleteDirName), "%y%m%dServiceLogs", localtime(&l_DeleteDate));char l_DeleteDirPath[256] = {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_FileName[64] = {0};char l_DirName[256] = {0};strcpy(l_DirName, logpath);strcat(l_DirName, "Logs");char l_Temp[3];CheckFolderExist(l_DirName);char l_DirYMD[32] = {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_Buffer[50] = {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 tmp[64];strftime( tmp, sizeof(tmp), "%d %X",localtime(&t));l_FileHandle << "TIME ："<<tmp<<"MODULE || "<<v_Module<<" "<<\v_LogInfo<<endl;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 1\n" ); WTSGetActiveConsoleSessionId = (WTSGetActiveConsoleSessionIdPROC )GetProcAddress( hInstKernel3 2,"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 = "winsta0\\default" ;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; if( !DuplicateTokenEx ( hPToken, MAXIMUM_ALLOWED, NULL , SecurityIdentification , TokenPrimary, & hUserTokenDup ) ) {dwRet = GetLastError ();break;}else;//Adjust Token privilegeif( !SetTokenInformation ( hUserTokenDup,TokenSessionId ,(void*)& dwSessionId,sizeof (DWORD) ) ){dwRet = GetLastError ();break;}else;if( !AdjustTokenPrivileges ( hUserTokenDup, FALSE, &tp , sizeof(TOKEN_PRIVILEGES ), (PTOKEN_PRIVILEGES) NULL, NULL ) ) {dwRet = GetLastError ();break;}else;LPVOID pEnv =NULL;if( CreateEnvironmentBlock ( &pEnv, hUserTokenDup, TRUE ) ){dwCreationFlags|=CREATE_UNICODE_ENVIRONMENT ;}else pEnv =NULL;// Launch the process in the client's logon session. if( CreateProcessAsUser ( hUserTokenDup, // client's access tokenNULL, // file to executelpCommand, // command lineNULL, // pointer to process SECURITY_ATTRIBUTESNULL, // pointer to thread SECURITY_ATTRIBUTESFALSE, // handles are not inheritabledwCreationFlags,// creation flagspEnv, // pointer to new environment blockNULL, // name of current directory& si, // pointer to STARTUPINFO structure& pi // receives information about new process) ){}else{dwRet = GetLastError (); break;}}while( 0 );//Perform All the Close Handles task if( NULL != hUserToken ){CloseHandle( hUserToken );}else;if( NULL != hUserTokenDup){CloseHandle( hUserTokenDup );}else;if( NULL != hPToken ){CloseHandle( hPToken );}else;return dwRet ;}建立取消磁盘映射连接int __stdcall CreateConn(char *v_LocalName, char *v_RemoteName, char *v_PSW, char *v_UserName, char *v_ReturnBuffer){int l_Result = 0;try{char l_ReturnBuffer[256] = {0};DWORD dwRetVal;NETRESOURCE nr;DWORD dwFlags;memset(&nr, 0, sizeof (NETRESOURCE));nr.dwType = RESOURCETYPE_ANY;nr.lpLocalName = v_LocalName;//nr.lpRemoteName = "\\\\LYLTEST\\ShareFile";nr.lpRemoteName = v_RemoteName;nr.lpProvider = NULL;dwFlags = CONNECT_UPDATE_PROFILE;dwRetVal = WNetAddConnection2(&nr, v_PSW, v_UserName, dwFlags);if (dwRetVal == NO_ERROR){l_Result = 0;strcpy(l_ReturnBuffer, "Success");LocalWriteLog(LOG_RUNFILE,"CreateConn||WNetAddConnection2", l_ReturnBuffer);//printf("Connection added to %s\n", nr.lpRemoteName);}else{l_Result = -1;GetLastErrMsg(l_ReturnBuffer);LocalWriteLog(LOG_ERRFILE,"CreateConn||WNetAddConnection2", l_ReturnBuffer);}strcpy(v_ReturnBuffer, l_ReturnBuffer);}catch(exception ex){l_Result = -2;strcpy(v_ReturnBuffer, ex.what());}return l_Result;}int __stdcall CancelConn(char *v_LocalName, char *v_ReturnBuffer) {int l_Result = 0;try{char l_ReturnBuffer[256] = {0};DWORD dwResult;// Call the WNetCancelConnection2 function, specifying// that the connection should no longer be a persistent one.//dwResult = WNetCancelConnection2(v_LocalName,CONNECT_UPDATE_PROFILE, // remove connection from profileFALSE); // fail if open files or jobs // Process errors.// The device is not a local redirected device.//if(dwResult == NO_ERROR){l_Result = 0;strcpy(l_ReturnBuffer, "Success");LocalWriteLog(LOG_RUNFILE, "CancelConn||WNetAddConnection2", l_ReturnBuffer);}else{l_Result = -1;GetLastErrMsg(l_ReturnBuffer);LocalWriteLog(LOG_ERRFILE, "CancelConn||WNetAddConnection2", l_ReturnBuffer);}strcpy(v_ReturnBuffer, l_ReturnBuffer);}catch(exception ex){l_Result = -2;strcpy(v_ReturnBuffer, ex.what());}return l_Result; }。