PHP pagination sample code_PHP tutorial
/*
需求,建立一个test数据库,在里边建一个test表,里面就
只要id字段,输入一下数据就可以啦。。
由于水平有限,难免出错。。
*/
$conn = mysql_connect("localhost","root","");
$maxnum = 2; //每页显示记录条数
mysql_select_db("test", $conn);
$query1 = "SELECT COUNT(*) AS totalrows FROM test ";
$result1 = mysql_query($query1, $conn) or die(mysql_error());
$row1 = mysql_fetch_assoc($result1);
$totalRows1 = $row1['totalrows']; //数据集数据总条数
$totalpages = ceil($totalRows1/$maxnum);//计算可分页总数,ceil()为上舍函数
if(!isset($_GET['page']) || !intval($_GET['page']) || $_GET['page'] > $totalpages) $page = 1; //对3种出错进行默认处理
//在url参数page不存在时,page不为10进制数时,page大于可分页数时,默认为1
else $page = $_GET['page'];
$startnum = ($page - 1)*$maxnum; //从数据集第$startnum条开始取,注意数据集是从0开始的
$query = "SELECT * FROM test LIMIT $startnum,$maxnum";//选择出符合要求的数据 从$startnum条数据开始,选出$maxnum行
$result = mysql_query($query, $conn) or die(mysql_error());
$row = mysql_fetch_assoc($result);
?>
分页示例 |
🎜>mysql_free_result($result1);
mysql_free_result($result);
?>
http://www.bkjia.com/PHPjc/318081.html

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



PHP 8.4 brings several new features, security improvements, and performance improvements with healthy amounts of feature deprecations and removals. This guide explains how to install PHP 8.4 or upgrade to PHP 8.4 on Ubuntu, Debian, or their derivati

Huawei is rolling out software version 5.0.0.100(C00M01) for the Watch GT 5 and the Watch GT 5 Prosmartwatchesglobally. These two smartwatches recently launched in Europe, with the standard model arriving as the company’s cheapest model. This Harmony

Visual Studio Code, also known as VS Code, is a free source code editor — or integrated development environment (IDE) — available for all major operating systems. With a large collection of extensions for many programming languages, VS Code can be c

This tutorial demonstrates how to efficiently process XML documents using PHP. XML (eXtensible Markup Language) is a versatile text-based markup language designed for both human readability and machine parsing. It's commonly used for data storage an

A string is a sequence of characters, including letters, numbers, and symbols. This tutorial will learn how to calculate the number of vowels in a given string in PHP using different methods. The vowels in English are a, e, i, o, u, and they can be uppercase or lowercase. What is a vowel? Vowels are alphabetic characters that represent a specific pronunciation. There are five vowels in English, including uppercase and lowercase: a, e, i, o, u Example 1 Input: String = "Tutorialspoint" Output: 6 explain The vowels in the string "Tutorialspoint" are u, o, i, a, o, i. There are 6 yuan in total

If you are an experienced PHP developer, you might have the feeling that you’ve been there and done that already.You have developed a significant number of applications, debugged millions of lines of code, and tweaked a bunch of scripts to achieve op

CMS stands for Content Management System. It is a software application or platform that enables users to create, manage, and modify digital content without requiring advanced technical knowledge. CMS allows users to easily create and organize content

PHP provides tools to allow websites to easily integrate social media functions: 1. Dynamically generate social media sharing buttons for users to share content; 2. Integrate with the OAuth library to achieve seamless social media login; 3. Use the HTTP library to capture social media Data, obtain user profile, posts and other information.
