PHP 列表页 显示方法 修正版
数据库名称：persons数据库表名：cs
数据库表字段：id FirstName
数据库IP:localhost(本地)
数据库用户名：root
数据库密码：(空)
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
<body>
<style type="text/css">
*{
margin:0;
padding:0;
}
#lay{
margin:100px 100px 100px 100px;
}
a{
padding:5px;
font-size:13px;
text-decoration:none;
}
span{
font-size:13px;
}
table{
border:1px solid red;
border-collapse:collapse;
}
</style>
<tr align="center" bgcolor="#ffcc">
<td width="200px;">id</td>
<td width="200px;">值</td>
</tr>
<?php
$link = mysql_connect("localhost","root",""); //连接数据库
mysql_select_db("cs");//选择哪个数据库
mysql_query("set names utf-8"); //设置数据库字符编码为中文
$sql = mysql_query("select *from persons");
$pagesize = 5; //显示条数
$sum = mysql_num_rows($sql); //判断 一共有多少条数据
$count = ceil($sum/$pagesize);//求出一共有多少页
$pages = $count; //显示最后一页
$init = 1;
$page_len = 7;
$max_p = $count;
if(empty($_GET["page"])|| $_GET["page"]<0){
$page = 1;
}else{
$page = $_GET["page"];
}
$off = ($page-1)*$pagesize; //求出数据库查询的第一个数据
$he = mysql_query("select * from persons limit $off,$pagesize");//按照off开始，到pagesize规律显示
echo "一共 ".$sum." 条数据";
while($row = mysql_fetch_array($he)){
echo "<tr align='center'>";
echo "<td>".$row['id']."</td>";
echo "<td>".$row['FirstName']."</td>";
echo " </tr> ";
}
?>
<?php
$page_len = ($page_len%2)?$page_len:$page_len+1;//如果余为1则为真，为0则为假
$pageoffset = ($page_len-1)/2;//页码偏移量
$key ="";
if($page!=1){
$key.="<span><a href=\"".$_SERVER['PHP_SELF']."?page=1"."\">第一页 </a></span>";
$key.="<span><a href=\"".$_SERVER['PHP_SELF']."?page=".($page-1)."\">上一页 </a></span>";
}else{
$key.="<span>第一页 </span>";
$key.="<span>上一页 </span>";
}
if($pages>$page_len){
if($page<=$pageoffset){
$init=1;
$max_p = $page_len;
}else{
if($page+$pageoffset>=$pages+1){
$init = $pages - $page_len+1;
}else{
$init = $page-$pageoffset;
$max_p = $page + $pageoffset;
}
}
}
for($i=$init;$i<=$max_p;$i++){
if($i==$page){
$key.="[ ".$i." ]";
}else{
$key.="<a href=\"".$_SERVER['PHP_SELF']."?page=".$i."\">$i</a>";
}
}
if($i-1!=$page){
$key.="<span><a href=\"".$_SERVER['PHP_SELF']."?page=".($page+1)."\">下一页</a></span>";
$key.="<span><a href=\"".$_SERVER['PHP_SELF']."?page=".$pages."\">最后一页</a></span>";
}else{
$key.="<span>下一页</span>";
$key.="<span>最后一页</span>";
}
echo "<tr align='center'>";
echo "<td colspan='2'>".$key."</td>";
echo "</tr>";
?>
</table>
</table>
</body>
</html>
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如有问题请留言
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