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php分页代码

2015-09-24 16:33 489 查看

<!DOCTYPE html >

<head>

<meta http-equiv="content-type" content="text/html;charset=utf-8">

</head>

<style >

body{
font-size:12px;
FONT-FAMILY:Microsoft YaHei;
width:100%;

}

div.page{
text-align:center;

}

div.content{
height:300px;

}

div.page a{
border:#aaaadd 1px solid;
text-decoration:none;
padding:2px 5px;
margin:3px;

}

div.page span.current{
border:#000099 1px solid;
background-color:#000099;
padding:2px 6px;
margin:3px;
color:#fff;
font-weight:bold;

}

div.page span.disable{
border:#eee 1px solid;
padding:2px 5px;
margin:3px;
color:#ddd;

}

div.page form{
display:inline;

}

</style>

<body>

<?php

//1传入页码

$page = $_GET['p'];

$pagesize = 10;

//2根据页码取出数据

$host= "localhost";

$username = "root";

$password = "";

$db = "test";

$showpage = 5;

$conn = mysql_connect($host,$username,$password);

if(!$conn){

echo "fail";

exit;

}

mysql_select_db($db);

mysql_query("set names utf8");

$sql = "SELECT * FROM page LIMIT ".($page-1)*$pagesize .",$pagesize";

$result = mysql_query($sql);

echo "<div class='content'>";

echo "<table border=1 cellspacing=0 width=30% align=center>";

echo "<tr><td>ID</td><td>NAME</td></tr>";

while($row = mysql_fetch_assoc($result)){

echo "<tr>";

echo "<td>{$row['id']}</td>";

echo "<td>{$row['name']}</td>";

echo "</tr>";

}

echo "</table>";

echo "</div>";

mysql_free_result($result);

$total_sql = "select count(*) from page";

$total_result = mysql_fetch_array(mysql_query($total_sql));

$total = $total_result[0];

$total_pages = ceil($total/$pagesize);

mysql_close($conn);

//3显示数据+分页条

$page_banner = "<div class='page'>";

$pageoffset = ($showpage-1)/2;

$start = 1;

$end = $total_pages;

if($page > 1){

$page_banner.= "<a href='".$_SERVER['PHP_SELF']."?p=1'>首页</a>";

$page_banner.= "<a href='".$_SERVER['PHP_SELF']."?p=".($page-1)."' ><上一页</a>";

}else{

$page_banner.="<span class='disable'>首页</span>";

$page_banner.="<span class='disable'><上一页</span>";

}

if($total_pages > $showpage){

if($page > $pageoffset+1){

$page_banner.="...";

}

if($page > $pageoffset){

$start = $page - $pageoffset;

$end = $total_pages > $page+$pageoffset?$page+$pageoffset:$total_pages;

}else{

$start = 1;

$end = $total_pages > $showpage ? $showpage:$total_pages;

}

if($page + $pageoffset > $total_pages){

$start = $start - ($page+$pageoffset-$end);

}

}

for($i=$start;$i<=$end;$i++){

if($page==$i){

$page_banner.="<span class='current'>{$i}</span>";

}else{

$page_banner.= "<a href='".$_SERVER['PHP_SELF']."?p=".$i."' >$i</a>";

}

}

if($total_pages > $showpage && $total_pages >$page+$pageoffset){

$page_banner.="...";

}

if($page < $total_pages){

$page_banner.= "<a href='".$_SERVER['PHP_SELF']."?p=".($page+1)."' >下一页></a>";

$page_banner.= "<a href='".$_SERVER['PHP_SELF']."?p=".($total_pages)."'>尾页</a>";

}else{

$page_banner.="<span class='disable'>下一页></span>";

$page_banner.="<span class='disable'>尾页</span>";

}

$page_banner.="共{$total_pages}页 ";

$page_banner.="<form action = 'index.php' method='get'>";

$page_banner.="到第<input type='text' size='2' name='p' placeholder='$page'>页 ";

$page_banner.="<input type='submit' value='确定'>";

$page_banner.="</form></div>";

echo $page_banner;

?>

</body>

</html>

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标签： php 代码分页

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