本文实例讲述了PHP+jQuery实现滚屏无刷新动态加载数据功能。分享给大家供大家参考，具体如下：
index.php
<"-//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" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
<title>滚屏加载--无刷新动态加载数据技术的应用</title>
<style type="text/css">
#container{margin:10px auto;width: 660px; border: 1px solid #999;}
.single_item{padding: 20px; border-bottom: 1px dotted #d3d3d3;}
.author{position: absolute; left: 0px; font-weight:bold; color:#39f}
.date{position: absolute; right: 0px; color:#999}
.content{line-height:20px; word-break: break-all;}
.element_head{width: 100%; position: relative; height: 20px;}
.nodata{display:none; height:32px; line-height:32px; text-align:center; color:#999; font-size:14px}
</style>
<script type="text/javascript" src="/UploadFiles/2021-04-02/jquery-1.8.3.min.js">
ajax_demo.sql
-- phpMyAdmin SQL Dump
-- version 3.5.2.2
-- http://www.phpmyadmin.net
--
-- 主机: localhost
-- 生成日期: 2015 年 01 月 18 日 15:56
-- 服务器版本: 5.1.46-community
-- PHP 版本: 5.2.13
SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";
SET time_zone = "+00:00";
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
--
-- 数据库: `demo`
--
-- --------------------------------------------------------
--
-- 表的结构 `say`
--
CREATE TABLE IF NOT EXISTS `say` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`userid` int(11) NOT NULL DEFAULT '0',
`content` varchar(200) NOT NULL,
`addtime` int(10) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=63 ;
--
-- 转存表中的数据 `say`
--
INSERT INTO `say` (`id`, `userid`, `content`, `addtime`) VALUES
(1, 0, '爱爱爱', 1421332482),
(2, 1, '爱爱爱', 1421332482),
(3, 0, '爱爱爱', 1421332482),
(4, 1, '爱爱爱', 1421332482),
(5, 0, '爱爱爱', 1421332482),
(6, 0, '爱爱爱', 1421332482),
(7, 0, '爱爱爱', 1421332482),
(8, 2, '爱爱爱', 1421332482),
(9, 0, '爱爱爱', 1421332482),
(10, 0, '爱爱爱', 1421332482),
(11, 0, '爱爱爱', 1421332482),
(12, 0, '爱爱爱', 1421332482),
(13, 0, '爱爱爱', 1421332482),
(14, 0, '爱爱爱', 1421332482),
(15, 0, '爱爱爱', 1421332482),
(16, 0, '爱爱爱', 1421332482),
(17, 0, '爱爱爱', 1421332482),
(18, 0, '爱爱爱', 1421332482),
(19, 0, '爱爱爱', 1421332482),
(20, 0, '爱爱爱', 1421332482),
(21, 0, '爱爱爱', 1421332482),
(22, 0, '爱爱爱', 1421332482),
(23, 0, '爱爱爱', 1421332482),
(24, 0, '爱爱爱', 1421332482),
(25, 0, '爱爱爱', 1421332482),
(26, 0, '2222', 1421333156),
(27, 0, '2222', 1421333159),
(28, 0, '2222', 1421333161),
(29, 0, '2222', 1421333162),
(30, 0, '2222', 1421333164),
(31, 0, '2222', 1421333165),
(32, 0, '2222', 1421333167),
(33, 0, '2222', 1421333168),
(34, 0, '2222', 1421333169),
(35, 0, '2222', 1421333170),
(36, 0, '2222', 1421333172),
(37, 0, '2222', 1421333173),
(38, 0, '2222', 1421333175),
(39, 0, '2222', 1421333176),
(40, 0, '2222', 1421333177),
(41, 0, '2222', 1421333178),
(42, 0, '2222', 1421333179),
(43, 0, '2222', 1421333181),
(44, 0, '2222', 1421333182),
(45, 0, '2222', 1421333183),
(46, 0, '2222', 1421333184),
(47, 0, '2222', 1421333293),
(48, 0, '2222', 1421333295),
(49, 0, '2222', 1421333296),
(50, 0, '2222', 1421333297),
(51, 0, '2222', 1421333298),
(52, 0, '2222', 1421333299),
(53, 0, '2222', 1421333300),
(54, 0, '2222', 1421333302),
(55, 0, '2222', 1421333303),
(56, 0, '2222', 1421333304),
(57, 0, '2222', 1421333305),
(58, 0, '2222', 1421333306),
(59, 0, '2222', 1421333308),
(60, 0, '2222', 1421333309),
(61, 0, '2222', 1421333310),
(62, 0, '2222', 1421333311);
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
result.php 接收请求页面
<"select * from say order by id desc limit $start,15");
/* while ($row=mysqli_fetch_array($query)) {
$arr[] = array(
'content'=>$row['content'],
'author'=>$user[$row['userid']],
'date'=>date('m-d H:i',$row['addtime'])
);
} */
if($query){
while ($row=mysqli_fetch_array($query)) {
$arr[] = array(
'content'=>$row['content'],
'author'=>$user[$row['userid']],
'date'=>date('m-d H:i',$row['addtime'])
);
}
}
if(!empty($arr)){
echo json_encode($arr); //转换为json数据输出
}
//echo json_encode($arr); //转换为json数据输出
"htmlcode">
<"localhost";
$db_user="root";
$db_pass="admin";
$db_name="ajax_demo";
$timezone="Asia/Shanghai";
$link=mysqli_connect($host,$db_user,$db_pass);
mysqli_select_db($link, $db_name);
mysqli_query($link, "SET names UTF8");
header("Content-Type: text/html; charset=utf-8");
"_blank" href="https://www.jb51.net/Special/328.htm">PHP+ajax技巧与应用小结》、《PHP网络编程技巧总结》、《PHP基本语法入门教程》、《php面向对象程序设计入门教程》、《php字符串(string)用法总结》、《php+mysql数据库操作入门教程》及《php常见数据库操作技巧汇总》
希望本文所述对大家PHP程序设计有所帮助。
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