File: /www/wwwroot/ceshidd.lilmn.com/index.php
<?php
include_once("connect.php");
$query=mysql_query("select likes,unlikes from votes where id = 1");
$row = mysql_fetch_array($query);
$like = $row['likes'];
$unlike = $row['unlikes'];
$percent_like = round($like / ($like + $unlike), 3) * 100;
$percent_unlike = 100 - $percent_like;
?>
<!DOCTYPE html PUBLIC "-//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">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>演示：PHP+MySql+jQuery实现顶和踩投票功能</title>
<meta name="keywords" content="PHP投票,jquery投票" />
<meta name="description" content="本文结合实例，讲解使用PHP+MySql+jQuery实现的“顶”和“踩”投票功能，通过记录用户IP，判断用户的投票行为是否有效，该实例也可以扩展到投票系统中。" />
<link rel="stylesheet" type="text/css" href="http://www.sucaihuo.com/jquery/css/common.css" />
<style type="text/css">
.digg{width:420px; height:120px; margin:80px auto 20px auto; position:relative}
#dig_up,#dig_down{width:200px; height:48px; margin:10px; position:relative; border:1px solid #d3d3d3; padding-left:42px; cursor:pointer}
.digup{background:url(images/diggs.png) no-repeat 4px 2px;}
.digup_on{background:url(images/diggs.png) no-repeat 4px -49px;}
.digdown{background:url(images/diggs.png) no-repeat 4px -102px;}
.digdown_on{background:url(images/diggs.png) no-repeat 4px -154px;}
#num_up,#num_down{position:absolute; right:6px; top:18px; font-size:20px;}
#dig_up p{height:24px; line-height:24px; color:#360}
#dig_down p{height:24px; line-height:24px; color:#f30}
.bar{width:100px; height:12px; line-height:12px; border:1px solid #f0f0f0; position:relative; text-align:center}
.bar span{display:block; height:12px; }
.bar i{position:absolute; top:0; left:104px;}
#bar_up span{background:#360}
#bar_down span{background:#f60}
#msg{position:absolute; right:20px; top:40px; font-size:18px; color:#f00}
</style>
</head>
<body>
<div class="head">
<div class="head_inner clearfix">
<ul id="nav">
<li><a href="http://www.sucaihuo.com">首 页</a></li>
<li><a href="http://www.sucaihuo.com/templates">网站模板</a></li>
<li><a href="http://www.sucaihuo.com/js">网页特效</a></li>
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<a class="logo" href="http://www.sucaihuo.com"><img src="http://www.sucaihuo.com/Public/images/logo.jpg" alt="素材火logo" /></a>
</div>
</div>
<div class="container">
<div class="demo">
<h2 class="title"><a href="http://www.sucaihuo.com/js/105.html">教程：PHP+MySql+jQuery实现顶和踩投票功能</a></h2>
<div class="digg">
<div id="dig_up" class="digup">
<span id="num_up"><?php echo $like;?></span>
<p>很好，很强大！</p>
<div id="bar_up" class="bar"><span style="width:<?php echo $percent_like;?>%"></span><i><?php echo $percent_like;?>%</i></div>
</div>
<div id="dig_down" class="digdown">
<span id="num_down"><?php echo $unlike;?></span>
<p>太差劲了！</p>
<div id="bar_down" class="bar"><span style="width:<?php echo $percent_unlike;?>%"></span><i><?php echo $percent_unlike;?>%</i></div>
</div>
<div id="msg"></div>
</div>
</div>
</div>
<div class="foot">
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<script type="text/javascript" src="http://www.sucaihuo.com/Public/js/other/jquery.js"></script>
<script type="text/javascript">
$(function() {
$("#dig_up").hover(function() {
$(this).addClass("digup_on");
}, function() {
$(this).removeClass("digup_on");
});
$("#dig_down").hover(function() {
$(this).addClass("digdown_on");
}, function() {
$(this).removeClass("digdown_on");
});
getdata("ajax.php", 1);
$("#dig_up").click(function() {
getdata("ajax.php?action=like", 1);
});
$("#dig_down").click(function() {
getdata("ajax.php?action=unlike", 1);
});
});
function getdata(url, sid) {
$.getJSON(url, {id: sid}, function(data) {
if (data.success == 1) {
$("#num_up").html(data.like);
$("#bar_up span").css("width", data.like_percent);
$("#bar_up i").html(data.like_percent);
$("#num_down").html(data.unlike);
$("#bar_down span").css("width", data.unlike_percent);
$("#bar_down i").html(data.unlike_percent);
} else {
$("#msg").html(data.msg).show().css({'opacity': 1, 'top': '40px'}).animate({top: '-50px', opacity: 0}, "slow");
}
});
}
</script>
</body>
</html>