//Source file: C:\\Rose2Java\\zhsoft\\dbcon\\QueryResult.javapackage zhsoft.dbcon;import java.util.Vector;/** * 數(shù)據(jù)庫(kù)查詢結(jié)果集 * * @author 雨亦奇(zhsoft88@sohu.com) * @version 1.0 * @since 2003.05.18 */public class QueryResult extends Vector{   /**    * @roseuid 3ED8687E02FB    */   public QueryResult()   {   }   /**    * 取一行結(jié)果    *    * @param lineno - 行號(hào)    * @return zhsoft.dbcon.ResultRow    * @throws java.lang.Exception    * @roseuid 3ED55155003C    */   public ResultRow getRow(int lineno) throws Exception   {        if (this.size() == 0) {            throw new Exception("結(jié)果集中記錄為0");        }        if (lineno < 0 || lineno >= this.size()) {            throw new Exception("無(wú)指定行號(hào)的記錄,行號(hào)范圍[0.." + (this.size() - 1) + "]");        }        return (ResultRow) ( (ResultRow) (this.elementAt(lineno))).clone();   }}