BCB ADO类(杨工)
//->->H #ifndef Unit_GlobalH #define Unit_GlobalH //------------------------------------------------------------------------------------------------------------------------------------------------------------- #endif #include "vcl.h" #include #include #include "inifiles.hpp" class TGlobal { public: TGlobal(); ~TGlobal(); public: TADOQuery * adoQuery; TADOConnection * adoCon; void InitDatabaseConnect () ; int PerformSQL(AnsiString strSQL ,int exMode); void AQEdit(AnsiString strSQL); } ; //->->CPP //------------------------------------------------------------------------------------------------------------------------------------------------------------- #pragma hdrstop #include "Unit_Global.h" //------------------------------------------------------------------------------------------------------------------------------------------------------------- #pragma package(smart_init) TGlobal::TGlobal() { adoQuery = new TADOQuery (NULL); adoCon = new TADOConnection(NULL); InitDatabaseConnect(); } TGlobal::~TGlobal() { if(adoQuery) delete adoQuery; if(adoCon) delete adoCon; } void TGlobal::InitDatabaseConnect () { AnsiString database,user,password,catalog; // ,cathlabid TIniFile *ini; AnsiString siniFile = ExtractFilePath (Application->ExeName) + "config.ini"; if(FileExists(siniFile)) { ini = new TIniFile(siniFile); database =ini->ReadString( "setting", "database",""); user= user=ini->ReadString( "setting", "user",""); password=ini->ReadString( "setting", "password",""); catalog=ini->ReadString( "setting", "catalog",""); adoCon->LoginPrompt=false; AnsiString DMSQL = "Provider=SQLOLEDB.1;Password=""+password+"";Persist Security Info=True;User ID="+user+";Initial Catalog="+catalog+";Use Procedure for Prepare=1;Auto Translate=True;PadoConket Size=4096;Data Source="+database+";"; adoCon->ConnectionString = DMSQL; adoCon->ConnectionTimeout=1000; adoCon->Connected = true; if(!adoCon->Connected) { Application->MessageBox("Database:Reason:InitDatabaseConnect","Error",MB_OK+MB_ICONERROR); Application->Terminate(); } adoQuery->Connection = adoCon; delete ini; } } int TGlobal::PerformSQL(AnsiString strSQL ,int exMode) { int nReturnValue = ->1; TADOQuery * tempQuery = new TADOQuery(NULL); tempQuery->Close(); tempQuery->Connection = adoCon; tempQuery->SQL->Text = strSQL; if(exMode==0)//查找 select { tempQuery->Open(); nReturnValue = tempQuery->RecordCount; } if(exMode==1)//插入,更新 insert update { tempQuery->ExecSQL(); } delete tempQuery; tempQuery = NULL; return nReturnValue; }优质内容筛选与推荐>>