开源的My sql连接接口,用C++,OrzMySQL::OrzMySQL() : m_impl(new OrzMySQLImpl) { } OrzMySQL::~OrzMySQL() { if (m_impl) { delete m_impl; } } DBId OrzMySQL::getId() const { return m_impl->getId(); } bool OrzMySQL::initialize(DBId _dbId, const Params& _params) { return m_impl->initialize(_d