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php开发分页实现代码第1/3页_php技巧

程序员文章站 2022-03-28 16:57:53
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php开发分页实现代码,学习php的朋友可以参考下

项目结构:

php开发分页实现代码第1/3页_php技巧

运行效果:

php开发分页实现代码第1/3页_php技巧

conn.php


<?php 
$conn = @ mysql_connect("localhost", "root", "") or die("数据库链接错误"); 
mysql_select_db("form", $conn); 
mysql_query("set names 'GBK'"); //使用GBK中文编码; 
//替换空格,回车键 
function htmtocode($content) { 
$content = str_replace("\n", "<br>", str_replace(" ", " ", $content)); 
return $content; 
} 
?>


page.php


<?php 
 
function _PAGEFT($totle, $displaypg = 20, $url = '') { 

global $page, $firstcount, $pagenav, $_SERVER; 

$GLOBALS["displaypg"] = $displaypg; 

 if (!$page) 
$page = 1; 
if (!$url) { 
$url = $_SERVER["REQUEST_URI"]; 
} 
//URL分析: 
$parse_url = parse_url($url); 
$url_query = $parse_url["query"]; //单独取出URL的查询字串 
if ($url_query) { 
$url_query = ereg_replace("(^|&)page=$page", "", $url_query); 
$url = str_replace($parse_url["query"], $url_query, $url); 
if ($url_query) 
$url .= "&page"; 
else 
$url .= "page"; 
} else { 
$url .= "?page"; 
} 
$lastpg = ceil($totle / $displaypg); //最后页,也是总页数 
$page = min($lastpg, $page); 
$prepg = $page -1; //上一页 
$nextpg = ($page == $lastpg ? 0 : $page +1); //下一页 
$firstcount = ($page -1) * $displaypg; 
//开始分页导航条代码: 
$pagenav = "显示第 <B>" . ($totle ? ($firstcount +1) : 0) . "</B>-<B>" . min($firstcount + $displaypg, $totle) . "</B> 条记录,共 $totle 条记录"; 
//如果只有一页则跳出函数: 
if ($lastpg <= 1) 
return false; 
$pagenav .= " <a href='$url=1'>首页</a> "; 
if ($prepg) 
$pagenav .= " <a href='$url=$prepg'>前页</a> "; 
else 
$pagenav .= " 前页 "; 
if ($nextpg) 
$pagenav .= " <a href='$url=$nextpg'>后页</a> "; 
else 
$pagenav .= " 后页 "; 
$pagenav .= " <a href='$url=$lastpg'>尾页</a> "; 
//下拉跳转列表,循环列出所有页码: 
$pagenav .= " 到第 <select name='topage' size='1' onchange='window.location=\"$url=\"+this.value'>\n"; 
for ($i = 1; $i <= $lastpg; $i++) { 
if ($i == $page) 
$pagenav .= "<option value='$i' selected>$i</option>\n"; 
else 
$pagenav .= "<option value='$i'>$i</option>\n"; 
} 
$pagenav .= "</select> 页,共 $lastpg 页"; 
} 
include("conn.php"); 
$result=mysql_query("SELECT * FROM `test`"); 
$total=mysql_num_rows($result); 
//调用pageft(),每页显示10条信息(使用默认的20时,可以省略此参数),使用本页URL(默认,所以省略掉)。 
_PAGEFT($total,5); 
echo $pagenav; 
$result=mysql_query("SELECT * FROM `test` limit $firstcount,$displaypg "); 
while($row=mysql_fetch_array($result)){ 
echo "<hr><b>".$row[name]." | ".$row[sex]; 
} 
?>


list.php
[code]
<?php
include("conn.php");
$pagesize=5;
$url=$_SERVER["REQUEST_URI"];
$url=parse_url($url);
$url=$url[path];
$numq=mysql_query("SELECT * FROM `test`");
$num = mysql_num_rows($numq);
if($_GET

相关标签: 开发分页