如果查询正序或者倒序前几行查询就这样写
select * from shangpinxinxi ORDER BY id asc limit 0,5如果在limit（0，5）加入where条件
select * from shangpinxinxi where tupian<>'' limit 0,5如果在加上查询
select * from shangpinxinxi where tupian<>'' ORDER BY id asc limit 0,5重要部分
if (curpage==1)
{
sql="select * from liuyanban limit 0,"+page_record;
}
else
{
sql="select * from liuyanban limit "+page_record+","+(curpage-1)*page_record;
}
sql=sql+" "myql分页查询
<%@ page language="java" pageEncoding="gb2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%@ page language="java" import="java.sql.*" %>
<jsp:useBean id="connDbBean" scope="page" class="db.db"/>
<html>
<head>
<base href="<%=basePath%>">
<title>XXXX企业门户网</title><LINK
href="qtimages/style.css" type=text/css rel=stylesheet>
<style type="text/css">
<!--
.style1 {WIDTH: 63px
}
.STYLE2 {
color: #477641;
font-weight: bold;
}
.STYLE3 {color: #FFFFFF}
.STYLE4 {color: #FFFFFF; font-weight: bold; }
-->
</style>
</head>
<body >
<table width="992" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td colspan="2"><%@ include file="qttop.jsp"%>
</td>
</tr>
<tr>
<td width="163" valign="top" ><%@ include file="qtleft.jsp"%></td>
<td width="813" valign="top"><table width="98%" border="0" align="center" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td height="44" background="qtimages/index_r4_c8.jpg"><table width="100%" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="9%"> </td>
<td width="76%" class="red STYLE2">在线留言</td>
<td width="15%" ><a href="lyb.jsp"><font class="red STYLE2">我要留言</font></a></td>
</tr>
</table></td>
</tr>
<tr>
<td class="boder" height="182"><style type="text/css">
<!--
.STYLE1 {
font-size: 24px;
font-weight: bold;
}
-->
</style>
<%
int curpage=1;//当前页
int page_record=3;//每页显示的记录数
int zgs=0;
int zys=0;
//用下面的方法（sql查询完成，速度快）
String hsgnpage=request.getParameter("page");
String fysql="select count(id) as ss from liuyanban";
ResultSet RS_resultfy=connDbBean.executeQuery(fysql);
while(RS_resultfy.next()){
zgs=Integer.parseInt(RS_resultfy.getString("ss"));
zys=zgs/page_record+1;
}
if (hsgnpage!=null)
{
curpage=Integer.parseInt(request.getParameter("page"));//获取传递的值，需要显示的页
}
else
{
curpage=1;
}
if (curpage==0)
{
curpage=1;
}
if(curpage>zys)
{
curpage=zys;
}
//out.print(curpage);
String sql;
if (curpage==1)
{
sql="select * from liuyanban limit 0,"+page_record;
}
else
{
sql="select * from liuyanban limit "+page_record+","+(curpage-1)*page_record;
}
sql=sql+" ";
ResultSet RS_result=connDbBean.executeQuery(sql);
String id="";
String nicheng="";String xingbie="";String QQ="";String youxiang="";String dianhua="";String neirong="";String huifuneirong="";
String addtime="";
int i=0;
while(RS_result.next()){
i=i+1;
id=RS_result.getString("id");
nicheng=RS_result.getString("cheng");xingbie=RS_result.getString("xingbie");QQ=RS_result.getString("QQ");youxiang=RS_result.getString("youxiang");dianhua=RS_result.getString("dianhua");neirong=RS_result.getString("neirong");huifuneirong=RS_result.getString("huifuneirong");
addtime=RS_result.getString("addtime");
%>
<table width="95%" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#009900" class="tb">
<!--DWLayoutTable-->
<tr>
<td width="85" rowspan="4" align="center" valign="middle" bgcolor="#FFFFFF"><img width='70'height='70' src=img/<%=xingbie %>.gif border=0> </td>
<td height="20" align="left" valign="middle" bgcolor="#FFFFFF"> 留言于:<%=addtime%> </td>
</tr>
<tr>
<td height="78" align="left" valign="top" bgcolor="#FFFFFF"> <%=neirong%></td>
</tr>
<tr>
<td align="left" valign="middle" bgcolor="#FFFFFF" style="height: 25px"> 昵称：<%=nicheng%> 电话：<%=dianhua %> 邮 箱:<%=youxiang%> QQ:<%=QQ%> </td>
</tr>
<tr>
<td align="left" valign="middle" bgcolor="#FFFFFF" style="height: 25px"> 管理员回复：<%=huifuneirong%></td>
</tr>
</table>
<%}%>
<p align="center"> 共<%=zgs%>条记录 <%=page_record %>条/页 <a href="lyblist.jsp?page=1">首页</a> <a href="lyblist.jsp?page=<%= curpage-1%>">上一页</a> <A
href="lyblist.jsp?page=<%= curpage+1%>">下一页</A> <a href="lyblist.jsp?page=<%=zys %>">尾页</A> 当前第<FONT
color=red><%=curpage %></FONT>页/共<FONT
color=red><%=zys %></FONT>页</p></td>
</tr>
<tr>
<td valign="top" height="9"><img
src="qtimages/index_r19_c8.jpg" width="320" /> </td>
</tr>
</tbody>
</table></td>
</tr>
</table>
<%@ include file="qtdown.jsp"%>
</body>
</html>1、查询第一行记录：
select * from table limit 1
2、查询第n行到第m行记录
select * from table1 limit n-1,m-n;
SELECT * FROM table LIMIT 5,10；返回第6行到第15行的记录
select * from employee limit 3,1; // 返回第4行
3、查询前n行记录
select * from table1 limit 0,n;
或
select * from table1 limit n;
4、查询后n行记录
select * from table1 order by id desc dlimit n；//倒序排序，取前n行 id为自增形式
5、查询一条记录($id)的下一条记录
select * from table1 where id>$id order by id asc dlimit 1
6、查询一条记录($id)的上一条记录
select * from table1 where id<$id order by id desc dlimit 1
