/**
* 创建SQL语句组装实例化对象
*
* @access public
* @return object
*/
public function createCommand()
{
return DbCommand::getInstance($this);
}
/**
* 创建SQL语句组装实例化对象
*
* @access public
* @return object
*/
public function createCommand()
{
return DbCommand::getInstance($this);
}