PHP分页实现

<html>
<head>
<title>php分页示例</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">          
</head>
<style>
<!--
body{
 font-size:12px;
}
-->
</style>
<body>
<?php
$conn=mysql_connect("localhost","root","");
//设定每一页显示的记录数
$pagesize=2;
mysql_select_db("mysql",$conn);
//取得记录总数$rs,计算总页数用
$rs=mysql_query("select count(*) from username",$conn);
$myrow = mysql_fetch_array($rs);
$numrows=$myrow[0];
//计算总页数
$pages=intval($numrows/$pagesize);
if ($numrows%$pagesize)
$pages++;
//设置页数
if (isset($_GET['page'])){
       $page=intval($_GET['page']);
       }
else{
//设置为第一页      
$page=1;
}
//计算记录偏移量
$offset=$pagesize*($page - 1);
//读取指定记录数
       $rs=mysql_query("select * from username  limit $offset,$pagesize",$conn);
       if ($myrow = mysql_fetch_array($rs))
{
$i=0;
?>
<table border="0" width="80%" align=center>
  <tr>
  <td align=center bgcolor="#E0E0E0">标题</td>
      <td width="50%" bgcolor="#E0E0E0">
             <p align="center">标题</td>
    <td width="50%" bgcolor="#E0E0E0"><p align="center">发布时间</td>
  </tr>
  <?php
do {
$i++;
?>
  <tr align=center>
      <td width="20%"><?=$myrow["id"]?></td>       
      <td width="30%"><?=$myrow["name"]?></td>
   <td width="50%"><?=$myrow["datetime"]?></td>

  </tr>
<?php
}
while ($myrow = mysql_fetch_array($rs));
echo "</table>";
}
echo "<br/>";
echo "<div align='center'>共有".$pages."页(".$page."/".$pages.")";
/*
for ($i=1;$i< $page;$i++)
echo "<a href='?page=".$i."'>[".$i ."]</a>  ";
echo "[".$page."]";
for ($i=$page+1;$i<=$pages;$i++)
echo "<a href='?page=".$i."'>[".$i ."]</a>  ";
echo "</div>";
*/
$first=1;
$prev=$page-1;
$next=$page+1;
$last=$pages;
if ($page > 1)
{
echo "<a href='?page=".$first."'>首页</a>"."|";
echo "<a href='?page=".$prev."'>上一页</a>";
}
if($page<=1){
echo "首页"."|";
echo "上一页";
}
if ($page < $pages)
{
echo "|"."<a href='?page=".$next."'>"."下一页</a>"."|";
echo "<a href='?page=".$last."'>尾页</a>  ";
}
if ($page >= $pages)
{
echo "下一页"."|";
echo "尾页";
}
echo "</div>";
?>
</body>
</html>

    A+
发布日期:2007年08月12日  所属分类:未分类

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