ResultSet取结果集多少条记录方法及分页概要

		allst=toconn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);

		allsql = "SELECT distinct docid,docchannel FROM isimportant where docchannel='"+CHANNELID+"'";

		allrs=allst.executeQuery(allsql);

		allrs.last();

		int recordcount=allrs.getRow();

		allrs.beforeFirst();

		int pagesize;

		pagesize=12;

		int pagecount;

		if(recordcount%pagesize!=0)

			pagecount=recordcount/pagesize+1;

		else

			pagecount=recordcount/pagesize;

		if(pagecount==0)

			pagecount=1;

	    int topage=1;

		String strtopage=request.getParameter("topage");

		if (strtopage==null)

		{

			topage=1;

		}

		else

		{

			topage=Integer.parseInt(strtopage);

		}

		if(pagecount<=0)

			pagecount=1;

		if(topage<=0)

			topage=1;

		if(topage>pagecount)

			topage=pagecount;

		if(topage>1)

			allrs.absolute(pagesize*(topage-1));

		String iscount="";

		while(allrs.next()&&isum<pagesize){........}

///////////////分页

<ul class="pagination">

            <%

					if( topage > 1)

					{

				%>

				<li><a href="./manager/mmain.jsp?topage=1&CHANNELID=<%=CHANNELID%>" class="">首页</a></li> 

				<li><a href="./manager/mmain.jsp?topage=<%=(topage-1)%>&CHANNELID=<%=CHANNELID%>" class="">上一页</a></li> 

				<%

					}

					else

					{

				%>

										<li class="previous disabled"><a class="">首页</a></li> 

										<li class="previous disabled"><a class="">上一页</a></li> 

				<%

					}

					if(topage<pagecount)

					{

				%>

										<li><a>当前第<%=topage%>页</a></li> <li><a href="./manager/mmain.jsp?topage=<%=(topage+1)%>&CHANNELID=<%=CHANNELID%>" class="">下一页</a></li> 

										<li><a href="./manager/mmain.jsp?topage=<%=pagecount%>&CHANNELID=<%=CHANNELID%>" class="">尾页</a></li> 

										<li><a> 共 <%=pagecount%> 页</a></li>

				<%

					}

				  else

					{

				%>

										<li><a>当前第<%=topage%>页</a></li> 

										<li class="next disabled"><a >下一页</a></li> 

										<li class="next disabled"><a >尾页</a></li> 

										<li><a>  共 <%=pagecount%> 页</a></li>

				<%

					}

				%>

		</ul>