数据库内共有1287条记录,设置每页显示1000条,每行显示9条。
但结果一页里就把所有记录1~1287都显示了,第二页也是1~1287.
分页数是正确的2页,
哪里出了问题请各位帮忙看下代码,十分感谢!
代码如下:
<?php
$page = $_GET["page"];
function Page($rows,$page_size){
global $page,$select_from,$select_limit,$pagenav;
$page_count = ceil($rows/$page_size);
if($page <= 1 || $page == '') $page = 1;
if($page >= $page_count) $page = $page_count;
$select_limit = $page_size;
$select_from = ($page - 1) * $page_size.',';
$pre_page = ($page == 1)? 1 : $page - 1;
$next_page= ($page == $page_count)? $page_count : $page + 1 ;
$pagenav .= "第 $page/$page_count 页 共 $rows 条记录 ";
$pagenav .= "<a href='?page=1'>首页</a> ";
$pagenav .= "<a href='?page=$pre_page'>前一页</a> ";
$pagenav .= "<a href='?page=$next_page'>后一页</a> ";
$pagenav .= "<a href='?page=$page_count'>末页</a>";
$pagenav.=" 跳到<select name='topage' size='1' onchange='window.location=\"?page=\"+this.value'>\n";
for($i=1;$i<=$page_count;$i++){
if($i==$page) $pagenav.="<option value='$i' selected>$i</option>\n";
else $pagenav.="<option value='$i'>$i</option>\n";
}
}
$conn = mysql_connect('127.0.0.1:8889', 'root', 'root');
mysql_select_db('test3', $conn);
$rows = mysql_num_rows(mysql_query("select * from cp"));
$sql="select * from cp";
$r = mysql_query($sql);
Page($rows,1000);
$s = "select * from cp limit 0,1000";
$rst = mysql_query($s);
$row = mysql_fetch_array($rst);
?>
<table border="1" >
<?php
$k=1;
while($rs = mysql_fetch_assoc($r))
{
$color=$rs["count"] >= "3"?"#999999":"white";
echo $k%9==1?"<tr>":"";
?>
<td bgcolor="#3399FF"><?php echo $rs["id"];?></td>
<td bgcolor="<?php echo $color;?>"><?php echo $rs["cp"];?></td>
<td bgcolor="<?php echo $color;?>"><?php echo $rs["count"];?></td>
<?php
echo $k%9==0?"</tr>":"";
$k++;
}
?>
<?php
echo $pagenav;
?>
</table>



------解决思路----------------------
你的查询串是 $s?=?"select?*?from?cp?limit?0,1000";
无论 $_GET["page"] 是什么,那个 0 总是不会变的,当然是每页都显示相同的结果啦
查询的起始偏移应该是与 $_GET["page"] 相关的数字
对于你的情况就是 ($_GET["page"] - 1) * 1000
------解决思路----------------------
<?php
$page = $_GET["page"];
function Page($rows,$page_size){
global $page,$select_from,$select_limit,$pagenav;
$page_count = ceil($rows/$page_size);
if($page <= 1
------解决思路----------------------
$page == '') $page = 1;
if($page >= $page_count) $page = $page_count;
$select_limit = $page_size;
$select_from = ($page - 1) * $page_size.',';
$pre_page = ($page == 1)? 1 : $page - 1;
$next_page= ($page == $page_count)? $page_count : $page + 1 ;
$pagenav .= "第 $page/$page_count 页 共 $rows 条记录 ";
$pagenav .= "<a href='?page=1'>首页</a> ";
$pagenav .= "<a href='?page=$pre_page'>前一页</a> ";
$pagenav .= "<a href='?page=$next_page'>后一页</a> ";
$pagenav .= "<a href='?page=$page_count'>末页</a>";
$pagenav.=" 跳到<select name='topage' size='1' onchange='window.location=\"?page=\"+this.value'>\n";
for($i=1;$i<=$page_count;$i++){
if($i==$page) $pagenav.="<option value='$i' selected>$i</option>\n";
else $pagenav.="<option value='$i'>$i</option>\n";
}
}
$conn = mysql_connect('127.0.0.1:8889', 'root', 'root');
mysql_select_db('test3', $conn);
$rows = mysql_num_rows(mysql_query("select * from cp"));
///@@这段帮你添加的
$limit_start=($page-1)*1000;
$s = "select * from cp limit $limit_start,1000";
///@@
$sql="select * from cp";
$r = mysql_query($s);
Page($rows,1000);
//$s = "select * from cp limit 0,1000";
//$rst = mysql_query($s);
//$row = mysql_fetch_array($rst);
?>
<table border="1" >
<?php
$k=1;
while($rs = mysql_fetch_assoc($r))
{
$color=$rs["count"] >= "3"?"#999999":"white";
echo $k%9==1?"<tr>":"";
?>
<td bgcolor="#3399FF"><?php echo $rs["id"];?></td>
<td bgcolor="<?php echo $color;?>"><?php echo $rs["cp"];?></td>
<td bgcolor="<?php echo $color;?>"><?php echo $rs["count"];?></td>
<?php
echo $k%9==0?"</tr>":"";
$k++;
}
?>
<?php
echo $pagenav;
?>
</table>
------解决思路----------------------
$sql="select * from cp limit ".($page-1)*1000.",1000";
$r = mysql_query($sql);
Page($rows,1000);
//$s = "select * from cp limit 0,1000";
//$rst = mysql_query($s);
//$row = mysql_fetch_array($rst);
上面三行你都没用到,注释掉
$sql修改一下,你下面循环用到的是$r对应的sql语句
所以一直是一样的