PHP native pagination config.php written by yourself
<?php
//配置项 pdo连接
$dsn = "mysql:host=localhost;dbname=www.hm.com";
$username = "hmcom";
$password = "123456";
$pdo = new PDO($dsn,$username,$password);
//设置字符集
$pdo->exec('set names utf8');
//设置pdo异常类处理
$pdo->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_EXCEPTION);
//设置pdo数据集返回状态
$pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE,PDO::FETCH_ASSOC);
index.php
<?php
//pdo原生分页
header("content-type:text/html;charset=utf-8");
//config里面是pdo数据库连接
include "config.php";
$pdo->beginTransaction();
try{
//记录总数
$sqlcount = "select count(*) from `user` where id > 0 ";
$smt2 = $pdo->prepare($sqlcount);
$smt2->execute();
$count = $smt2->fetchColumn();
// echo $count;
//每页展示多少条
$pagenum = 2;
//总的页数
$lastpage = ceil($count / $pagenum);
//当前页
$page = $_GET['p']<=1 ? 1: $_GET['p'];
$page = $_GET['p']>=$lastpage ? $lastpage : $page;
//上一页
$prevpage = ($page - 1) <= 1 ? 1: ($page - 1);
//下一页
$nextpage = ($page + 1) >= $lastpage ? $lastpage: ($page + 1);
//开始查询的基数
$start = ($page - 1)*$pagenum;
//第一页是 1 （1-1）*2 -> limit 0,2
//第二页是 2 （2-1）*2-> limit 2,2
//第三页是 3 （3-1）*2 -> limit 4,2
$sqlall = "SELECT *FROM `user` WHERE id > 0 ORDER BY id ASC LIMIT $start,$pagenum";
//pdo预处理
$smt = $pdo->prepare($sqlall);
//执行预处理语句
$smt->execute();
$result = $smt->fetchAll();
$pdo->commit();
}catch (PDOException $pdoex){
echo $pdoex->getMessage();
echo '出错啦';
$pdo->rollBack();
}
?>
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/jquery.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script>
</head>
<body>
<div class="contaniner container-lg">
<div class="page-header">
<h2>用户列表</h2>
</div>
<table class="table">
<thead class="thead-dark">
<tr>
<th scope="col">编号</th>
<th scope="col">用户名</th>
<th scope="col">年龄</th>
<th scope="col">资产</th>
</tr>
</thead>
<tbody>
<?
foreach ($result as $k => $row){
?>
<tr>
<th scope="row"><?=$row['id']?></th>
<td><?=$row['name']?></td>
<td><?=$row['age']?></td>
<td><?=$row['money']?></td>
</tr>
<?
}
?>
</tbody>
</table>
<nav aria-label="Page navigation ">
<ul class="pagination">
<li class="page-item"><a class="page-link" href="index.php?p=1">第一页</a></li>
<li class="page-item <?if($page <= 1){?>disabled<?}?>">
<a class="page-link" href="index.php?p=<?=$prevpage?>" tabindex="-1" <?if($page <= 1){
?>aria-disabled="true"<?}?>>上一页</a>
</li>
<!--这里没有写的那么细致了-->
<?
if($page >= 1){
for($i = $page;$i< $page+ 2;$i++){
?>
<li class="page-item">
<?
if($i <= $lastpage ){
?>
<a class="page-link" href="index.php?p=<?=$i?>"><?=$i?></a>
<?}?>
</li>
<?
}}
?>
<li class="page-item">
<a class="page-link" href="index.php?p=<?=$nextpage?>">下一页</a>
</li>
<li class="page-item"><a class="page-link" href="index.php?p=<?=$lastpage?>">尾页</a></li>
<buttom style="border: 1px solid #ccc;" class="btn btn-info" href="#"><?=$page?>/<?=$lastpage?></buttom>
</ul>
</nav>
</div>
</body>
</html>
I hope you can comment on the shortcomings.