public static PreWarningLastedResultQuery GetLatestWarningResultInstance()
{
//单例模式
return(_latestWarningResult ?? (_latestWarningResult = new PreWarningLastedResultQuery()));
}
public static void ReleaseLatestWarningResultInstance()
{
_latestWarningResult.Close();
_latestWarningResult.Dispose();
_latestWarningResult = null;
}
public static void CleanLatestWarningResult()
{
_latestWarningResult.Close();
_latestWarningResult.Dispose();
_latestWarningResult = null;
}