querythread.cpp

来自「著名的SecureBlackBox控件完整源码」· C++ 代码 · 共 48 行

//---------------------------------------------------------------------------


#pragma hdrstop

#include "QueryThread.h"

//---------------------------------------------------------------------------

#pragma package(smart_init)

//---------------------------------------------------------------------------
TQueryThread::TQueryThread(const AnsiString DBName, AnsiString Username, AnsiString Password, AnsiString Query)
  : TThread(true)
{
    FSQLConnection = new TSQLConnection(NULL);
    FSQLDataSet = new TSQLDataSet(NULL);
    FSQLConnection->DriverName = "MySQL";
    FSQLConnection->LibraryName = "dbexpmysql.dll";
    FSQLConnection->VendorLib = "LIBMYSQL.dll";
    FSQLDataSet->SQLConnection = FSQLConnection;
    FSQLConnection->Params->Values["User_Name"] = Username;
    FSQLConnection->Params->Values["Password"] = Password;
    FSQLConnection->Params->Values["Database"] = DBName;
    FSQLConnection->Params->Values["HostName"] = "127.0.0.1";
    FSQLConnection->Params->Values["DriverName"] = "MySQL";
    FSQLConnection->Params->Values["BlobSize"] = "-1";
    FSQLConnection->Params->Values["LocaleCode"] = "0001";
    FSQLConnection->LoginPrompt = false;
    FSQLConnection->GetDriverFunc = "getSQLDriverMYSQL";
    FSQLDataSet->CommandText = Query;
    FRowCount = 0;
}
//---------------------------------------------------------------------------
__fastcall TQueryThread::~TQueryThread()
{
    delete FSQLConnection;
    delete FSQLDataSet;
}
//---------------------------------------------------------------------------
void __fastcall TQueryThread::Execute(void)
{
    FSQLDataSet->Active = true;
    FRowCount = FSQLDataSet->RecordCount;
}
//---------------------------------------------------------------------------